CAS Catalogue of Diatom Names

Institute for Biodiversity Science and Sustainability

Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011

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[ 190 ] records found...	Brief Records Multiple Pages Back to Search Form

Amphipleura sigmoidea W. Smith 1853, p. 45; pl. 15, fig. 128
Status	Valid	illegitimate
Comments	W. Smith cites Amphipleura rigida Kützing as synonym
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Amphiprora constricta sensu W. Smith 1853, p. 44; pl. 15, fig. 126 as Amphiprora constricta, Ehr.
Comments	Cited by Cleve 1894, p. 145 (ref. 000232) under Stauroneis constricta. Cleve notes: “it is not very probable that St. constricta of Ehrenberg represents this species, whatever it may be”.
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Amphiprora didyma W. Smith 1853, p. 44; pl. 15, fig. 125
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Tropidoneis didyma (W. Smith) F.W. Mills 1935 Donkinia didyma (Smith) Carruthers 1864

Amphiprora paludosa W. Smith 1853, p. 44; pl. 31, fig. 269
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Amphicampa paludosa (W. Smith) Rabenhorst 1864 Entomoneis paludosa (W. Smith) Reimer in Patrick & Reimer 1975 Amphitropis paludosa (W. Smith) Rabenhorst 1868

Amphiprora vitrea W. Smith 1853, p. 44; pl. 31, fig. 270
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Tropidoneis vitrea (W. Smith) Cleve 1894

Amphora affinis sensu W. Smith 1853, p. 19; pl. 2, fig. 27
Status	Valid?
Comments	As “Amphora affinis Kütz.”. Treated by Wolle 1890, pl. 9, fig. 13 (ref. 000916) as a separate species (A. affinis W. Smith, non A. affinis Kützing)
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Amphora costata W. Smith 1853, p. 20; pl. 30, fig. 253
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Halamphora costata (W. Smith) Z. Levkov 2009

Amphora membranacea W. Smith 1853, p. 20; pl. 2, fig. 29
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Amphora minutissima W. Smith 1853, p. 20; pl. 2, fig. 30
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Amphora ovalis var. minutissima (W. Smith) Hurter 1928 Amphora ovalis f. minutissima (W. Smith) Mayer 1913 Amphora pediculus var. minutissima (W. Smith) H. Peragallo in Pelletan 1889 Amphora parasitica Bleisch 1863

Amphora ovalis sensu W. Smith 1853, p. 19; pl. 2, fig. 26, 26b'
Comments	As “Amphora ovalis, Kütz.”. Named Amphora ovalis f. elliptica by Rabenhorst 1864
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Amphora salina W. Smith 1853, p. 19; pl. 30, fig. 251
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Amphora coffeaeformis var. salina (W. Smith) Schönfeldt 1907

Amphora tenera W. Smith 1853, p. 20; pl. 30, fig. 252
Status	Valid
Comments	W. Smith cites as synonym Amphora lineata [sensu] Kützing [1844, pl. 5] fig. 36 and notes “ad specim. authen. quae communicavit cl. De Brébisson”
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Amphora bullosa var. lineolata (Ehrenberg) H.L. Smith 1876-1888 Amphora lineolata ‘Ehrenberg’ [sensu] Kützing 1844 Navicula lineolata Ehrenberg 1838 Amphora lineolata Ehrenberg 1838

Campylodiscus hodgsonii W. Smith 1853, p. 29; pl. 6, fig. 53
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Campylodiscus ralfsii W. Smith 1853, p. 30; pl. 30, fig. 257
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Campylodiscus decorus var. ralfsii (W. Smith) Kisselev in Proshkina-Lavrenko 1950

Cocconeis diaphana W. Smith 1853, p. 22; pl. 30, fig. 254
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Cocconeis diaphana W. Smith 1853, p. 22; pl. 30, fig. 254
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Cocconeis grevillei W. Smith 1853, p. 22; pl. 3, fig. 35
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Campyloneis grevillei (W. Smith) Grunow 1867 Campyloneis grevillei (W. Smith) Grunow & Eulenstein in Grunow 1867

Cocconeis scutellum var. beta W. Smith 1853, p. 22; pl. 30, fig. 34b
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Cocconeis thwaitesii W. Smith 1853, p. 21; pl. 3, fig. 33
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Cocconema parvum W. Smith 1853, p. 76; pl. 23, fig. 222, pl. 24, fig. 222
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Cocconema cymbiforme var. parvum (Smith) Cleve 1880 Cymbella cymbiformis var. parva (W. Smith) Van Heurck 1885 Cymbella parva (W. Smith) Wolle 1890 Cymbella parva (W. Smith) Kirchner 1878

Coscinodiscus minor W. Smith 1853, p. 23; pl. 3, fig. 36
Status	Valid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Cyclotella antiqua W. Smith 1853, p. 28; pl. 5, fig. 49
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Orthosira antiqua (W. Smith) Lagerstedt 1873 Cyclotella operculata var. antiqua (W. Smith) Brun 1880

Cyclotella kuetzingiana W. Smith 1853, p. 27; pl. 5, fig. 47 (nec al. ?)
Status	Valid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Cymatopleura apiculata W. Smith 1853, p. 37; pl. 10, fig. 79
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Cymatopleura solea var. apiculata (W. Smith) Ralfs in Pritchard 1861 Cymatopleura librile var. apiculata (W. Smith) Descy 1983 Cymatopleura solea var. apiculata (W. Smith) Grunow 1862

Cymatopleura elliptica W. Smith 1853, p. 37; pl. 10, fig. 80 c
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Cymatopleura parallela W. Smith 1853, p. 37; pl. 30, fig. 263
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Cymatopleura solea var. parallela (W. Smith) Cleve-Euler 1952

Cymatopleura solea W. Smith 1853, p. 36; pl. 10, fig. 78
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Cymbella cuspidata W. Smith 1853, p. 18; pl. 2, fig. 22 a
Status	Valid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Cymbella helvetica W. Smith 1853, p. 18; pl. 2, fig. 24
Status	Valid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Cymbella maculata W. Smith 1853, p. 18; pl. 2, fig. 23
Status	Valid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Cymbella scotica W. Smith 1853, p. 18; pl. 2, fig. 25
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Cymbella gracilis var. scotica (W. Smith) Rabenhorst 1864 Encyonema gracile var. scotica (W. Smith) Van Heurck 1896 Encyonema scotica (W. Smith) Yermoloff 1918

Doryphora boeckii (Ehrenberg) W. Smith 1853, p. 77; pl. 24, fig. 223
Basionym	Cocconema boeckii Ehrenberg 1835
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Brebissonia boeckii (Ehrenberg) Grunow 1860 Cocconema boeckii Ehrenberg 1835 Navicula boeckii (Ehrenberg) Heiberg 1863 Cocconema lanceolatum var. boeckii (Ehrenberg) Rabenhorst 1864 Cymbella lanceolata var. boeckii (Ehrenberg) Richter 1914 Brebissonia boeckii (Ehrenberg) O’Meara 1875 Raphoneis boeckii (Ehrenberg) L.W. Bailey 1910

Epithemia alpestris W. Smith 1853, p. 13; pl. 1, fig. 7
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	L
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Cystopleura argus var. alpestris (W. Smith) De Toni 1892 Epithemia argus var. alpestris (W. Smith) Grunow 1862 Cystopleura argus var. alpestris (W. Smith) Gutwinski 1899

Epithemia argus W. Smith 1853, p. 12; pl. 1, fig. 5
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Epithemia constricta Brebisson in litt. cum specim. 1853, p. 14; pl. 30, fig. 248
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Epithemia constricta W. Smith 1853, p. 14; pl. 30, fig. 248
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to view INA card 2. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified
List of nomenclatural synonyms	Cystopleura constricta (W. Smith) Kuntze 1891 Cystopleura musculus var. constricta (W. Smith) De Toni 1892 Rhopalodia constricta (W. Smith) Krammer in Lange-Bertalot & Krammer 1987 Rhopalodia gibberula var. constricta (W. Smith) Cleve-Euler 1952

Epithemia granulata W. Smith 1853, p. 12; pl. 1, fig. 3
Status	Valid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Epithemia longicornis (Ehrenberg) W. Smith 1853, p. 13; pl. 30, fig. 247
Basionym	Eunotia longicornis Ehrenberg 1845
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Pinnularia longicornis (Ehrenberg) M. Peragallo 1903 Cystopleura argus var. longicornis (Ehrenberg) De Toni 1892 Cystopleura longicornis (Ehrenberg) Kuntze 1891 Epithemia argus var. longicornis (Ehrenberg) Grunow 1862 Eunotia longicornis Ehrenberg 1845

Epithemia ocellata W. Smith 1853, p. 13; pl.1, fig. 6
Status	Valid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Epithemia proboscidea W. Smith 1853, p. 13; pl. 1, fig. 8
Status	Valid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified
List of nomenclatural synonyms	Epithemia sorex f. proboscidea (W. Smith) Tynni 1980

Epithemia rupestris W. Smith 1853, p. 14; pl. 1, fig. 12
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Cystopleura gibberula var. rupestris (W. Smith) Dalla Torre & Sarnthein 1901 Rhopalodia gibberula var. rupestris (W. Smith) Otto Müller 1900 Rhopalodia musculus var. rupestris (W. Smith) M. Peragallo 1903 Cystopleura gibberula var. rupestris (W. Smith) De Toni 1892 Epithemia gibberula var. rupestris (W. Smith) Grunow 1862 Rhopalodia rupestris (W. Smith) Krammer in Lange-Bertalot & Krammer 1987

Eunotia arcus W. Smith 1853, p. 15; pl. 2, fig. 15
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Eunotia diodon sensu W. Smith 1853, p. 16; pl. 2, fig. 17
Status	Invalid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Eunotia gracilis W. Smith 1853, p. 16; pl. 30, fig. 249
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Eunotia monodon W. Smith 1853, p. 16; pl. 2, fig. 16
Status	Valid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Eunotia tridon sensu W. Smith 1853, p. 16; pl. 2, fig. 18
Status	Invalid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Eupodiscus argus (Ehrenberg) W. Smith 1853, p. 24; pl. 4, fig. 39
Basionym	Tripodiscus argus Ehrenberg 1840
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Aulacodiscus argus (Ehrenberg) Schmidt in Schmidt et al. 1886 Tetrapodiscus germanicus (Ehrenberg) Ehrenberg 1843 Tripodiscus argus Ehrenberg 1840 Aulacodiscus argus (Ehrenberg) Pantocsek 1886

Eupodiscus crassus W. Smith 1853, p. 24; pl. 4, fig. 41
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Actinocyclus crassus (W. Smith) Ralfs in Pritchard 1861 Actinocyclus crassus (W. Smith) Van Heurck 1883 Actinocyclus ehrenbergii var. crassa (W. Smith) Hustedt 1929 Actinocyclus octonarius var. crassus (W. Smith) Hendey 1954 Actinocyclus octonarius var. crassus (W. Smith) Hajós 1968

Eupodiscus fulvus W. Smith 1853, p. 24; pl. 4, fig. 40
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Actinocyclus fulvus (W. Smith) Ralfs in Pritchard 1861 Auliscus fulvus (W. Smith) Rabenhorst 1864

Eupodiscus radiatus W. Smith 1853, p. 24; pl. 30, fig. 255
Status	Valid?
Comments	As “ E. radiatus Bail.?”. Eupodiscus radiatus of Smith will be renamed Cerataulus smithii by Ralfs in Pritchard 1861
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified
List of nomenclatural synonyms	Cerataulus smithii Ralfs in Pritchard 1861 Odontella smithii (Ralfs in Pritchard) M. Peragallo 1903 Biddulphia radiata (W. Smith) Roper 1859 Biddulphia smithii (Ralfs in Pritchard) Van Heurck 1885

Eupodiscus sculptus W. Smith 1853, p. 25; pl. 4, fig. 42
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Aulacodiscus sculptus (W. Smith) Brightwell 1860 Auliscus sculptus (W. Smith) Brightwell 1860

Gomphonema acuminatum f. coronatum (Ehrenberg; Kutzing) W. Smith 1853, p. 79; pl. 28, fig. 238 beta as Gomphonema acuminatum var. coronatum (coronata) f. coronatum
Basionym	Gomphonema coronatum Ehrenberg; Kutzing
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Gomphonema acuminatum var. gamma W. Smith 1853, p. 79; pl. 28, fig. 238 a'', 238 a'''
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Gomphonema curvatum var. beta W. Smith 1853, p. 81
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Gomphonema dichotomum var. beta W. Smith 1853, p. 79; pl. 28, fig. 240 beta
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Gomphonema marinum (Kützing) W. Smith 1853, p. 81; pl. 29, fig. 246
Basionym	Gomphonema curvatum var. marinum Kützing 1844
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Gomphonema curvatum var. marinum Kützing 1844 Rhoicosphenia curvata var. marina (Kützing) Rabenhorst 1864

Gomphonema tenellum sensu W. Smith 1853, p. 80; pl. 29, fig. 243
Status	Invalid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	uncertain/not verified

Licmophora splendida sensu W. Smith 1853, p. 85; pl. 26, fig. 233; pl. 32, fig. 233
Status	Invalid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Navicula affinis sensu W. Smith 1853, p. 50; pl. 16, fig. 143
Status	Invalid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Navicula amphisbaena sensu W. Smith 1853, p. 51; pl. 17, fig. 147 a
Status	Invalid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Navicula amphisbaena var. beta W. Smith 1853, p. 51; pl. 17, fig. 147 B
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Navicula angustata W. Smith 1853, p. 52; pl. 17, fig. 156
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula cryptocephala var. angustata (W. Smith) Brun 1880 Cymbella angustata (W. Smith) Cleve 1894 Cymbopleura angustata (W. Smith) K. Krammer 2003

Navicula convexa W. Smith 1853, p. 49; pl. 16, fig. 136
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Scoliopleura convexa (W. Smith) Grunow 1860

Navicula crassinervia Brébisson in W. Smith 1853, p. 47; pl. 31, fig. 271
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Frustulia rhomboides var. crassinervia (Brébisson in W. Smith) Ross 1947 Navicula rhomboides var. crassinervia (Brebisson in W. Smith) Grunow in Van Heurck 1880 Frustulia crassinervia (Brébisson) Lange-Bertalot et Krammer in Lange-Bertalot & Metzeltin 1996

Navicula cryptocephala sensu W. Smith 1853, p. 53; pl. 17, fig. 155
Status	Invalid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Navicula didyma var. sporangial W. Smith 1853, p. 53; pl. 17, fig. 154 a*
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Navicula elegans W. Smith 1853, p. 49; pl. 16, fig. 137
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Pinnularia elegans (W. Smith) Krammer 1992 Pinnunavis elegans (W. Smith) H. Okuno 1975 Schizonema elegans (W. Smith) Kuntze 1898

Navicula elliptica W. Smith 1853, p. 48; pl. 17, fig. 152 a
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula smithii Brébisson 1854 Navicula lyra var. elliptica (W. Smith) O’Meara 1875

Navicula elliptica W. Smith 1853, p. 48; pl. 17, fig. 152a*
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Navicula firma var. beta W. Smith 1853, p. 48
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Navicula jennerii W. Smith 1853, p. 49; pl. 16, fig. 134
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Scoliopleura jenneri (jennerii) (W. Smith) Grunow 1860

Navicula lanceolata sensu W. Smith 1853, p. 46; pl. 31, fig. 272
Status	Invalid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Navicula liber W. Smith 1853, p. 48; pl. 16, fig. 133
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Caloneis liber (W. Smith) Cleve 1894 Schizonema liber (W. Smith) Kuntze 1898

Navicula major sensu W. Smith 1853, p. 54; pl. 18, fig. 162
Status	Invalid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Navicula minutula W. Smith 1853, p. 48; pl. 31, fig. 274
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Navicula obtusa W. Smith 1853, p. 50; pl. 16, fig. 140
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Caloneis obtusa (W. Smith) Cleve 1894 Schizonema obtusum Kuntze 1898

Navicula ovalis W. Smith 1853, p. 48; pl. 17, fig. 153 alpha
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Navicula ovalis W. Smith 1853, p. 48; pl. 17, fig. 153 alpha '
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula elliptica var. ovalis (W. Smith) O’Meara 1875

Navicula palpebralis Brebisson in litt., W. Smith 1853, p. 50; pl. 31, fig. 273
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Schizonema palpebrale (Brébisson ex W. Smith) Kuntze 1898

Navicula patula W. Smith 1853, p. 49; pl. 16, fig. 139
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Navicula producta W. Smith 1853, p. 51; pl. 17, fig. 144
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula affinis var. producta (W. Smith) Rabenhorst 1864 Navicula iridis var. producta (W. Smith) Van Heurck 1885 Neidium productum (W. Smith) Cleve 1894 Schizonema productum (W. Smith) Kuntze 1898

Navicula punctulata W. Smith 1853, p. 52; pl. 16, fig. 151
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Navicula punctulata var. punctulata W. Smith 1853, p. 52; pl. 16, fig. 151
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Navicula pusilla W. Smith 1853, p. 52; pl. 17, fig. 145
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Cosmioneis pusilla (Wm. Smith) Mann & Stickle in Round, Crawford & Mann 1990 Schizonema pusillum (W. Smith) Kuntze 1898

Navicula tumens W. Smith 1853, p. 52; pl. 17, fig. 150
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Navicula tumida W. Smith 1853, p. 53; pl. 17, fig. 146
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Navicula westii W. Smith 1853, p. 49; pl. 16, fig. 135
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Caloneis westii (W. Smith) Hendey 1964 Navicula tumida var. westii (W. Smith) Cleve-Euler 1953 Scoliopleura westii (W. Smith) Grunow 1860

Nitzschia acicularis (Kützing) W. Smith 1853, p. 43; pl. 15, fig. 122
Basionym	Synedra acicularis Kützing 1844
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Ceratoneis acicularis (Kützing) Ralfs in Pritchard 1861 Homoeocladia acicularis (Kützing) Kuntze 1898 Nitzschiella acicularis (Kützing) Rabenhorst 1864 Synedra acicularis Kützing 1844

Nitzschia amphioxys (Ehrenberg) W. Smith 1853, p. 41; pl. 13, fig. 105
Basionym	Eunotia amphioxys Ehrenberg 1843
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Hantzschia amphioxys (Ehrenberg) Grunow in Cleve & Grunow 1880 Homoeocladia amphioxys (Ehrenberg) Kuntze 1898 Homoeocladia amphilepta (Ehrenberg) Kuntze 1898 Homoeocladia amphioxys (Ehrenberg) Kuntze 1898 Eunotia amphioxys Ehrenberg 1843

Nitzschia angularis W. Smith 1853, p. 40; pl. 13, fig. 117
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Homoeocladia angularis (W. Smith) Kuntze 1898

Nitzschia bilobata W. Smith 1853, p. 42; pl. 15, fig. 113
Status	Valid
Comments	New name for Amphiprora latestriata Breb. in Kützing 1849
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Amphiprora latestriata Brébisson in Kützing 1849 Nitzschia latestriata (Brébisson in Kützing) Ralfs in Pritchard 1861 Homoeocladia bilobata (bilobiata) (W. Smith) Kuntze 1898 Scoliopleura latestriata (Brébisson in Kützing) Grunow 1878 Scoliotropis latestriata (Brébisson in Kützing) Cleve 1894

Nitzschia birostrata W. Smith 1853, p. 42; pl. 14, fig. 119
Status	Valid
Comments	Cites Ceratoneis longissima Kützing 1849
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Ceratoneis longissima Brébisson ex Kützing 1849 Nitzschia longissima (Brébisson in Kützing) Grunow 1862 Homoeocladia longissima (Brebisson in Kutzing) Kuntze 1898 Nitzschiella longissima (Brébisson in Kützing) Rabenhorst 1864

Nitzschia brebissonii var. brebissoni (brebissonii) W. Smith 1853, p. 38; pl. 31, fig. 266
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Nitzschia closterium (Ehrenberg) W. Smith 1853, p. 42; pl. 15, fig. 120
Basionym	Ceratoneis closterium Ehrenberg 1839
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Ceratoneis closterium Ehrenberg 1839 Nitzschia curvirostris var. closterium (Ehrenberg) De Toni 1892 Nitzschia longissima var. closterium (Ehrenberg) Van Heurck 1885 Nitzschiella closterium (Ehrenberg) Rabenhorst 1864 Nitzschiella longissima var. closterium (Ehrenberg) Peragallo & Peragallo 1897-1908 Cylindrotheca closterium (Ehrenberg) Reimann & Lewin 1964 Homoeocladia closterium (Ehrenberg) Kuntze 1898

Nitzschia closterium (Kützing) W. Smith 1853, p. 42
Basionym	Ceratoneis closterium Kützing
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Nitzschia dubia W. Smith 1853, p. 41; pl. 13, fig. 112
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Homoeocladia dubia (W. Smith) Elmore 1921 Homoeocladia dubia (W. Smith) Kuntze 1898

Nitzschia dubia var. beta W. Smith 1853, p. 41; pl. 31, fig. 112 beta
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Nitzschia lanceolata W. Smith 1853, p. 40; pl. 14, fig. 118
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Homoeocladia lanceolata (W. Smith) Kuntze 1898

Nitzschia linearis (Agardh) W. Smith 1853, p. 39; pl. 13, fig. 110
Basionym	Frustulia linearis Agardh ex sp. authen. quae misit. cl. Dr. Greville
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Frustulia linearis Agardh ex sp. authen. quae misit. cl. Dr. Greville

Nitzschia minutissima W. Smith 1853, p. 41; pl. 13, fig. 107
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Nitzschia dissipata var. minutissima (W. Smith) Mayer 1918

Nitzschia obtusa W. Smith 1853, p. 39; pl. 13, fig. 109
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Bacillaria obtusa (W. Smith) Elmore in Barbour 1895

Nitzschia parvula W. Smith 1853, p. 41; pl. 13, fig. 106
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Homoeocladia parvula (W. Smith) Kuntze 1898

Nitzschia plana W. Smith 1853, p. 42; pl. 15, fig. 114
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Homoeocladia plana (W. Smith) Kuntze 1898 Tryblionella plana (W. Smith) Pelletan 1889

Nitzschia reversa W. Smith 1853, p. 43; pl. 15, fig. 121
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Ceratoneis reversa (W. Smith) Ralfs in Pritchard 1861 Nitzschiella reversa (W. Smith) Rabenhorst 1864

Nitzschia scalaris (Ehrenberg) W. Smith 1853, p. 39; pl. 14, fig. 115
Basionym	Synedra scalaris Ehrenberg 1843
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Homoeocladia scalaris (Ehrenberg) Kuntze 1898 Pritchardia scalaris (Ehrenberg) Rabenhorst 1864 Synedra scalaris Ehrenberg 1843 Tryblionella scalaris (Ehrenberg) P. Siver & P.B. Hamilton 2005

Nitzschia sigma (Kützing) W. Smith 1853, p. 39; pl. 13, fig. 108
Basionym	Synedra sigma Kützing 1844
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Homoeocladia sigma (Kützing) Kuntze 1898 Sigmatella sigma (Kützing) Frenguelli 1923 Synedra sigma Kützing 1844

Nitzschia sigmoidea (Nitzsch) W. Smith 1853, p. 38; pl. 13, fig. 104
Basionym	Bacillaria sigmoidea Nitzsch 1817
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Frustulia sigmoidea (Nitzsch) Jenner 1845 Homoeocladia sigmoidea (Nitzsch) Elmore 1921 Bacillaria sigmoidea Nitzsch 1817 Cymbella sigmoidea (Nitzsch) Agardh 1830 Synedra sigmoidea (Nitzsch) Kützing 1844

Nitzschia sigmoidea var. beta W. Smith 1853, p. 38; pl. 13, fig. 104 beta
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Nitzschia spathulata Brébisson ex W. Smith 1853, p. 40; pl. 31, fig. 268
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Homoeocladia spathulata (Brebisson ex Wm. Smith) Kuntze 1898

Nitzschia spectabilis W. Smith 1853, p. 39; pl. 14, fig. 116
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Nitzschia taenia W. Smith 1853, p. 43; pl. 15, fig. 123
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Nitzschia tenuis W. Smith 1853, p. 40; pl. 13, fig. 111
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Nitzschia linearis var. tenuis (W. Smith) Grunow in Cleve & Grunow 1880 Nitzschia linearis var. tenuis (W. Smith) Brun 1880

Nitzschia vivax W. Smith 1853, p. 41; pl. 31, fig. 267
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Hantzschia vivax (W. Smith) M. Peragallo in Tempere & Peragallo 1908 Nitzschia amphioxys var. vivax (W. Smith) Grunow 1862 Hantzschia vivax (W. Smith) Grunow 1877

Pinnularia acrosphaeria (Brébisson) W. Smith 1853, p. 58; pl. 19, fig. 183
Basionym	Frustulia acrosphaeria Brébisson 1838
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Frustulia acrosphaeria Brébisson 1838 Navicula acrosphaeria (Brébisson) Kützing 1844 Schizonema acrosphaerium (Brébisson) Kuntze 1898

Pinnularia acuminata W. Smith 1853, p. 55; pl. 18, fig. 164
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula acuminata (W. Smith) Ralfs in Pritchard 1861 Navicula viridis var. acuminata (W. Smith) M. Peragallo 1903 Pinnularia viridis var. acuminata (W. Smith) Brun 1880

Pinnularia acuta W. Smith 1853, p. 56; pl. 18, fig. 171
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula radiosa var. acuta (W. Smith) Grunow 1860 Navicula acuta (W. Smith) O’Meara 1875

Pinnularia alpina var. alpina W. Smith 1853, p. 55; pl. 18, fig. 168
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Schizonema alpinum (W. Smith) Kuntze 1898

Pinnularia cardinalis (Ehrenberg) W. Smith 1853, p. 55; pl. 19, fig. 166
Basionym	Navicula cardinalis Ehrenberg 1840
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula cardinalis Ehrenberg 1840 Stauroneis cardinalis (Ehrenberg) Kützing 1844 Stauroptera cardinalis (Ehrenberg) Ehrenberg 1843 Schizonema cardinale (Ehrenberg) Kuntze 1898

Pinnularia cyprinus sensu W. Smith 1853, p. 57; pl. 18, fig. 176
Status	Invalid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Pinnularia directa W. Smith 1853, p. 56; pl. 18, fig. 172 b
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula directa (W. Smith) Ralfs in Pritchard 1861 Navicula directa (W. Smith) Brébisson 1854 Schizonema directum (W. Smith) Kuntze 1898

Pinnularia distans W. Smith 1853, p. 56; pl. 18, fig. 169
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula distans (W. Smith) Ralfs in Pritchard 1861 Navicula distans (W. Smith) Brébisson 1854 Schizonema distans (W. Smith) Kuntze 1898

Pinnularia divergens W. Smith 1853, p. 57; pl. 18, fig. 177
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula divergens (W. Smith) Grunow 1860 Stauroptera divergens (Smith) Kirchner 1878 Schizonema schweinfurthii Kuntze 1898

Pinnularia gibba sensu W. Smith 1853, p. 58; pl. 19, fig. 180
Status	Invalid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Pinnularia gracilis sensu W. Smith 1853, p. 57; pl. 18, fig. 174
Status	Invalid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Pinnularia interrupta W. Smith 1853, p. 59; pl. 19, fig. 184
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula bicapitata var. crucifera O'Meara 1875 Navicula interrupta (W. Smith) Schmidt in Schmidt et al. 1876 Navicula nivalis var. interrupta (W. Smith) Héribaud 1893 Pinnularia bicapitata var. interrupta (W. Smith) Dippel 1905 Pinnularia gibba var. interrupta (W. Smith) Woodhead & Tweed 1960 Pinnularia stauroptera var. interrupta (W. Smith) Brun 1880 Navicula mesolepta (W. Smith) Grunow 1860

Pinnularia johnsonii W. Smith 1853, p. 58; pl. 19, fig. 179
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula johnsonii (W. Smith) O'Meara 1875

Pinnularia johnsonii var. beta W. Smith 1853, p. 58; pl. 19, fig. 179 beta
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Pinnularia lata (Brébisson) W. Smith 1853, p. 55; pl. 18, fig. 167
Basionym	Frustulia lata Brébisson 1838
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Frustulia lata Brébisson 1838 Navicula lata (Brebisson) Kützing 1849 Navicula lata (Brébisson) Kützing 1844 Schizonema latum (Brébisson) Kuntze 1898

Pinnularia major sensu W. Smith 1853, p. 54; pl. 18, fig. 162
Status	Invalid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Pinnularia mesolepta (Ehrenberg) W. Smith 1853, p. 58; pl. 19, fig. 182
Basionym	Navicula mesolepta Ehrenberg 1843
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula mesolepta Ehrenberg 1843 Navicula mesolepta Heiberg 1863 Schizonema mesoleptum (Ehrenberg) Kuntze 1898

Pinnularia oblonga (Kützing) W. Smith 1853, p. 55
Basionym	Frustulia oblonga Kützing 1833
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Frustulia oblonga Kützing 1833 Navicula oblonga (Kützing) Kützing 1844 Schizonema oblongum (Kützing) Kuntze 1898

Pinnularia radiosa W. Smith 1853, p. 56; pl. 18, fig. 173
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Pinnularia stauroneiformis W. Smith 1853, p. 57; pl. 19, fig. 178 alpha prime
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Pinnularia stauroneiformis W. Smith 1853, p. 57; pl. 19, fig. 178
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula hemiptera var. stauroneiformis (W. Smith) Lagerstedt 1873

Pinnularia viridis sensu W. Smith 1853, p. 54; pl. 18, fig. 163 alpha
Status	Invalid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Pinnularia viridis sensu W. Smith 1853, p. 54; pl. 18, pl. 163 alpha prime
Status	Invalid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Pinnularia viridis var. beta W. Smith 1853, p. 54; pl. 18, fig. 163 beta
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Pleurosigma acuminatum sensu W. Smith 1853, p. 66; pl. 21, fig. 209
Status	Invalid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Pleurosigma aestuarii (aestuarium) (Brébisson in Kützing) W. Smith 1853, p. 65; pl. 31, fig. 275
Basionym	Navicula aestuarii Brébisson in Kützing 1849
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula aestuarii Brébisson in Kützing 1849 Gyrosigma aestuarii (Brebisson in Kutzing) Griffith & Henfrey 1856 Pleurosigma angulatum var. aestuarii (Brebisson in Kutzing) Van Heurck 1885

Pleurosigma balticum var. beta W. Smith 1853, p. 66; pl. 22, fig. 207 beta
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Pleurosigma balticum var. gamma W. Smith 1853, p. 66; pl. 22, fig. 207 gamma
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Pleurosigma decorum W. Smith 1853, p. 63; pl. 21, fig. 196
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Gyrosigma decorum (W. Smith) Griffith & Henfrey 1856 Scalprum (Scalptrum) decorum (W. Smith) Kuntze 1891

Pleurosigma fasciola var. beta W. Smith 1853, p. 67; pl. 21, fig. 211 alpha prime
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Pleurosigma intermedium W. Smith 1853, p. 64; pl. 21, fig. 200
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Gyrosigma intermedium (W. Smith) Griffith & Henfrey 1856 Pleurosigma nubecula var. intermedia (W. Smith) Cleve 1894 Scalprum (Scalptrum) intermedium (W. Smith) Kuntze 1891

Pleurosigma macrum W. Smith 1853, p. 67; pl. 31, fig. 276
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Gyrosigma macrum (W. Smith) Griffith & Henfrey 1856 Pleurosigma fasciolum (fasciola) var. macrum (W. Smith) H. Peragallo 1891 Scalprum (Scalptrum) macrum (W. Smith) Kuntze 1891 Gyrosigma macrum (W. Smith) Cleve 1894

Pleurosigma nubecula W. Smith 1853, p. 64; pl. 21, fig. 201
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Pleurosigma intermedium var. nubecula (W. Smith) Van Heurck 1896 Scalprum (Scalptrum) nubecula (W. Smith) Kuntze 1891 Gyrosigma intermedium var. nubecula (W. Smith) Griffith & Henfrey 1856

Pleurosigma obscurum var. beta W. Smith 1853, p. 65; pl. 20, fig. 206
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Pleurosigma quadratum W. Smith 1853, p. 65; pl. 20, fig. 204
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Gyrosigma quadratum (W. Smith) Griffith & Henfrey 1856 Pleurosigma angulatum var. quadratum (W. Smith) Van Heurck 1885

Pleurosigma rigidum W. Smith 1853, p. 64; pl. 20, fig. 198
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Gyrosigma rigidum (W. Smith) Griffith & Henfrey 1856 Scalprum (Scalptrum) rigidum (W. Smith) Kuntze 1891

Pleurosigma tenuissimum W. Smith 1853, p. 67; pl. 22, fig. 213
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Gyrosigma tenuissimum (W. Smith) Griffith & Henfrey 1856 Scalprum (Scalptrum) tenuissimum (W. Smith) Kuntze 1891 Gyrosigma tenuissimum (W. Smith) Cleve 1894

Podosphenia gracilis W. Smith 1853, p. 83; pl. 24, fig. 229
Status	Valid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Podosphenia ovata W. Smith 1853, p. 83; pl. 24, fig. 226
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Licmophora ehrenbergii var. ovata (W. Smith) Van Heurck 1896 Licmophora ehrenbergii var. ovata (W. Smith) Grunow in Van Heurck 1881 Licmophora ovata (W. Smith) Grunow 1867

Stauroneis acuta W. Smith 1853, p. 59; pl. 19, fig. 187
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Pleurostaurum acutum (W. Smith) Rabenhorst 1859 Navicula acuta (W. Smith) Hustedt 1909 Schizonema acutum (W. Smith) Kuntze 1898

Stauroneis anceps sensu W. Smith 1853, p. 60; pl. 19, fig. 190
Status	Invalid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Stauroneis crucicula W. Smith 1853, p. 60; pl. 19, fig. 192
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula crucicula (W. Smith) Donkin 1871 Schizonema crucicula (W. Smith) Kuntze 1898 Parlibellus crucicula (W. Smith) A. Witkowski, H. Lange-Bertalot & D. Metzeltin 2000

Stauroneis dilatata W. Smith 1853, p. 60; pl. 19, fig. 191
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Stauroneis linearis W. Smith 1853, p. 60; pl. 19, fig. 193
Status	Valid?
Comments	Seems to be a citation of Ehrenberg’s taxon by Smith. It is treated as a “sensu” by VanLandingham
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Stauroneis pulchella W. Smith 1853, p. 61; pl. 19, fig. 194
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Navicula aspera var. pulchella (W. Smith) Fricke 1902 Trachyneis aspera var. pulchella (W. Smith) Cleve 1894

Stauroneis pulchella var. beta W. Smith 1853, p. 61; pl. 19, fig. 194B
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Stauroneis salina W. Smith 1853, p. 60; pl. 19, fig. 188
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Staurophora salina (W. Smith) Mereschkowsky 1903 Navicula salina (W. Smith) Schütt 1896 Schizonema salinum (W. Smith) Kuntze 1898

Surirella lata W. Smith 1853, p. 31; pl. 9, fig. 61
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Novilla lata (W. Smith) Cleve 1868 Surirella (Suriraya) fastuosa var. lata (W. Smith) Van Heurck 1885

Surirella linearis W. Smith 1853, p. 31; pl. 8, fig. 58
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Suriraya linearis (W. Smith) Pfitzer 1871

Surirella linearis W. Smith 1853, p. 31; pl. 8, fig. 58 a
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Surirella nobilis W. Smith 1853, p. 32; pl. 8, fig. 63
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Novilla nobilis (W. Smith) Cleve 1868 Surirella robusta var. nobilis (W. Smith) Cleve-Euler 1952 Surirella splendida var. nobilis (W. Smith) Studnicka 1888

Surirella panduriformis W. Smith 1853, p. 33; pl. 30, fig. 258
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Surirella minuta var. panduriformis (W. Smith) Grunow 1862 Surirella ovalis var. panduriformis (W. Smith) Mills & Philip 1901 Surirella ovalis f. panduriformis (W. Smith) Cleve-Euler 1932 Surirella ovata f. panduriformis (W. Smith) Cleve-Euler 1952 Surirella ovalis var. panduriformis (W. Smith) West & West 1901

Surirella pinnata W. Smith 1853, p. 34; pl. 9, fig. 72
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Novilla pinnata (W. Smith) Lagerstedt 1873 Surirella minuta var. pinnata (W. Smith) Grunow 1862 Surirella ovalis var. pinnata (W. Smith) Van Heurck 1885 Surirella ovata var. pinnata (W. Smith) Brun 1880 Surirella ovata var. pinnata (W. Smith) Hustedt 1930 Suriraya ovalis var. pinnata (W. Smith) Gutwinski 1899 Suriraya pinnata (W. Smith) Schaarschmidt 1880

Surirella subsalsa W. Smith 1853, p. 34; pl. 31, fig. 259
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Surirella turgida W. Smith 1853, p. 31; pl. 9, fig. 60
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Surirella biseriata var. turgida (W. Smith) Cleve-Euler 1952

Surirella (Suriraya) brightwellii W. Smith 1853, p. 33; pl. 9, fig. 69
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Surirella ovalis var. brightwellii (W. Smith) Peragallo & Peragallo 1897-1908 Surirella ovalis var. brightwellii (W. Smith) Cleve-Euler 1952 Novilla brightwellii (Smith) Cleve 1868

Synedra acicularis W. Smith 1853, p. 70; pl. 11, fig. 86
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Synedra pulchella var. acicularis (W. Smith) O'Meara 1875 Synedra pulchella var. acicularis (W. Smith) W. & G. S. West 1901

Synedra biceps W. Smith 1853, p. 69; pl. 11, fig. 83
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Eunotia biceps (W. Smith) G.S. West 1904

Synedra delicatissima W. Smith 1853, p. 72; pl. 12, fig. 94
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Fragilaria delicatissima (W. Smith) Lange-Bertalot 1980 Synedra acus f. delicatissima (W. Smith) Krieger 1927 Ulnaria delicatissima (W. Smith) M. Aboal & P.C. Silva 2004

Synedra fulgens (Greville) W. Smith 1853, p. 74; pl. 12, fig. 103
Basionym	Exilaria fulgens Greville 1827
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Ardissonea fulgens (Greville) Grunow in Cleve & Grunow 1880 Licmophora fulgens (Greville) Kützing 1844 Exilaria fulgens Greville 1827 Diatoma fulgens (Greville) Greville 1833

Synedra gracilis sensu W. Smith 1853, p. 70; pl. 11, fig. 85
Status	Invalid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Synedra hamata W. Smith 1853, p. 73; pl. 30, fig. 264
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Nitzschia hamata (W. Smith) De Toni 1892 Homoeocladia hamata (W. Smith) Kuntze 1898 Nitzschiella hamata (W. Smith) Rabenhorst 1864 Synedra affinis var. hamata (W. Smith) Mills & Philip 1901 Synedra tabulata var. hamata (W. Smith) F.W. Mills 1934

Synedra longissima W. Smith 1853, p. 72; pl. 12, fig. 95
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Ctenophora pulchella var. longissima (W. Smith) Schonfeldt 1907 Synedra pulchella var. longissima (W. Smith) Schonfeldt 1907 Synedra ulna var. longissima (W. Smith) Grunow 1862 Syndera ulna var. longissima (W. Smith) Brun 1880

Synedra lunaris W. Smith 1853, p. 69; pl. 11, fig. 82
Status	Valid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Synedra minutissima W. Smith 1853, p. 70; pl. 11, fig. 87
Status	Valid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Synedra obtusa W. Smith 1853, p. 71; pl. 11, fig. 92
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Synedra ulna var. obtusa (W. Smith) Van Heurck 1885

Synedra radians W. Smith 1853, p. 71; pl. 11, fig. 89, pl. 12, fig. 89
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Synedra salina W. Smith 1853, p. 71; pl. 11, fig. 88
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Synedra ulna var. salina (W. Smith) Istvanffi (Schaarschmidt) 1881 Synedra ulna f. salina (W. Smith) West & West 1901

Synedra vaucheriae sensu W. Smith 1853, p. 73; pl. 11, fig. 99
Status	Invalid?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Triceratium striolatum W. Smith 1853, p. 26
Status	Invalid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		INA card not found. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	uncertain/not verified

Triceratium undulatum W. Smith 1853, p. 34?
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Collector		Assessment of record accuracy	likely accurate

Tryblionella acuminata W. Smith 1853, p. 36; pl. 10, fig. 77
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Nitzschia acuminata (W. Smith) Grunow 1878 Homoeocladia acuminata (W. Smith) Kuntze 1898

Tryblionella angustata W. Smith 1853, p. 36; pl. 30, fig. 262
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Homoeocladia angustata (W. Smith) Kuntze 1898 Nitzschia angustata (W. Smith) Grunow 1880

Tryblionella gracilis W. Smith 1853, p. 35; pl. 10, fig. 75
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Homoeocladia tryblionella (Hantzsch in Rabenhorst) Kuntze 1898 Nitzschia tryblionella Hantzsch in Rabenhorst 1848-1860 Surirella gracilis (W. Smith) Grunow 1862 Tryblionella hantzschiana (hantzschia) var. maxima (Grunow in Cleve & Grunow) Frenguelli 1938 Tryblionella tryblionella (Hantzsch in Rabenhorst) Prochazka 1923

Tryblionella marginata W. Smith 1853, p. 35; pl. 10, fig. 76
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate

Tryblionella punctata W. Smith 1853, p. 36; pl. 10, fig. 76 a', pl. 30, fig. 261
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Homoeocladia punctata (W. Smith) Kuntze 1898 Nitzschia punctata (W. Smith) Grunow 1878 Zotheca punctata (W. Smith) Pantocsek 1902

Tryblionella scutellum W. Smith 1853, p. 35; pl. 10, fig. 74
Status	Valid
Published in	Smith, W. 1853 [ref. 000863]. Synopsis of British Diatomaceae. John Van Voorst, London 1853. 1:89 pp., pl. 1-31.
Type		Click here to view INA card. Click here to check this name in the INA website.
Type Locality		Language of description	E
Collector		Assessment of record accuracy	likely accurate
List of nomenclatural synonyms	Nitzschia scutellum (W. Smith) Wolle 1890

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