Institute for Biodiversity Science and Sustainability
Catalogue of Diatom Names, On-Line Version, Updated 19 Sep 2011
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[ 51 ] records found...Brief Records    Multiple Pages    Back to Search Form

Anaulus laevis (Grunow in Van Heurck) Boyer 1900, p. 737
BasionymEunotogramma laeve Grunow in Van Heurck 1883
StatusValid
CommentsBoyer credits Van Heurck for the combination.
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     INA card not found. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsEunotogramma laevis (leve) Grunow in Cleve & Möller 1879
Eunotogramma laeve Grunow in Van Heurck 1883

Biddulphia acuta (Ehrenberg) Boyer 1900, p. 706
BasionymTriceratium acutum Ehrenberg 1844
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsOdontella acutum (Ehrenberg) M. Peragallo 1903
Triceratium acutum Ehrenberg 1844

Biddulphia americana (Ralfs in Pritchard) Boyer 1900, p. 721
BasionymTriceratium americanum Ralfs in Pritchard 1861
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium americanum Ralfs in Pritchard 1861

Biddulphia antillarum (Cleve) Boyer 1900, p. 722
BasionymTriceratium antillarum Cleve 1878
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsAmphipentas antillarum (Cleve) De Toni 1894
Triceratium antillarum Cleve 1878

Biddulphia arctica (Brightwell) Boyer 1900, p. 714
BasionymTriceratium arcticum Brightwell 1853
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsBiddulphia arctica (Brightwell) E. Jørgensen 1905
Triceratium arcticum Brightwell 1853
Trigonium arcticum (Brightwell) Cleve 1867

Biddulphia arctica var. californica (Grunow in Schmidt et al.) Boyer 1900, p. 714
as Biddulphia arctica californica
BasionymTriceratium arcticum var. californicum Grunow in Schmidt et al. 1882
StatusValid
CommentsTreated as a variety by Boyer (“the following are considered varieties”)
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium arcticum var. californicum Grunow in Schmidt et al. 1882
Trigonium arcticum var. californica (Grunow) Wornardt 1967
Trigonium arcticum var. californica (Grunow) Desikachary & Prema in Desikachary 1989

Biddulphia arctica var. campeachiana (Grunow in Van Heurck) Boyer 1900, p. 714
as Biddulphia arctica campeachiana
BasionymTriceratium arcticum f. campechiana Grunow in Van Heurck 1883
StatusValid
CommentsTreated as a variety by Boyer (“the following are considered varieties”)
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium arcticum f. campechiana Grunow in Van Heurck 1883

Biddulphia arctica var. kerguelensis (Grunow in Cleve & Grunow) Boyer 1900, p. 714
as Biddulphia arctica kerguelensis
BasionymTriceratium arcticum var. kerguelense Grunow in Cleve & Grunow 1880
StatusValid
CommentsTreated as a variety by Boyer (“the following are considered varieties”)
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium arcticum var. kerguelense Grunow in Cleve & Grunow 1880
Trigonium arcticum var. kerguelense (Grunow in Cleve & Grunow) Desikachary & Sreelatha in Desikachary & Devi 1986

Biddulphia arctica var. montereyi (Brightwell) Boyer 1900, p. 715
as Biddulphia arctica montereyi
BasionymTriceratium montereyi Brightwell 1853
StatusValid
CommentsTreated as a variety by Boyer (“the following are considered varieties”)
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium arcticum var. montereyi (Brightwell) F.W. Mills 1935
Triceratium montereyi Brightwell 1853
Biddulphia montereyi (Brightwell) Mereschkowsky 1901

Biddulphia arctica var. pentagona Boyer 1900, p. 715
as Biddulphia arctica pentagona = Triceratium arcticum, forma pentagona
StatusInvalid
CommentsA new combination of Triceratium arcticum f. pentagona [no author] (taxon unknown to us)? Invalid as the name of a new taxon (no description).
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium arcticum f. pentagona [no author] according to Boyer 1900

Biddulphia arctica var. quadrangularis (Greville) Boyer 1900, p. 715
as Biddulphia arctica quadrangularis
BasionymTriceratium quadrangulare Greville 1865
StatusValid
CommentsTreated as a variety by Boyer (“the following are considered varieties”)
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsAmphitetras quadrangularis (Greville) De Toni 1894
Triceratium arcticum var. quadrangulare (quadrangularis) (Greville) Cleve & Möller 1878
Triceratium formosum f. quadrangularis (Greville) Hustedt 1930
Triceratium quadrangulare Greville 1865
Trigonium formosum f. quadrangularis (Greville) Desikachary & Sreelatha 1989

Biddulphia arctica var. sexangulata Boyer 1900, p. 715
as Biddulphia arctica sexangulata
StatusInvalid?
CommentsBased on the invalid name Triceratium arcticum var. sexangulatum J.A. Schulze ‘collection’ (not Triceratium sexangulatum Greville). Perhaps should be considered valid despite the very minimal description (“a very beautiful six-sided form”). Treated as a variety by Boyer (“the following are considered varieties”)
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     INA card not found. Click here to check this name in the INA website.
Type LocalityLanguage of descriptionE
CollectorAssessment of record accuracyuncertain/not verified
List of nomenclatural synonymsTriceratium arcticum var. sexangulatum ‘J. A. Schulze’ Boyer 1900

Biddulphia biddulphiana (J.E. Smith) Boyer 1900, p. 694
BasionymConferva biddulphiana J.E. Smith 1790-1814
StatusValid
CommentsBasionym published in 1807.
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsConferva biddulphiana J.E. Smith 1790-1814
Biddulphia pulchella S.F. Gray 1821
Biddulphia pulchella var. quinquelocularis (Kützing) Rabenhorst 1864
Biddulphia quinquelocularis Kützing 1844
Diatoma biddulphianum (J.E. Smith) Agardh 1824
Diatoma biddulphiana (J.E. Smith) Agardh 1817

Biddulphia biquadrata (Janisch in Schmidt et al.) Boyer 1900, p. 717
BasionymTriceratium biquadratum Janisch in Schmidt et al. 1886
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium balearicum f. biquadrata (biquadratum) (Janisch in Schmidt et al.) Hustedt 1930
Triceratium biquadratum Janisch in Schmidt et al. 1886

Biddulphia californica (Schmidt) Boyer 1900, p. 711
BasionymCerataulus californicus Schmidt in Schmidt et al. 1888
CommentsIsonym: See B. californica (A. Schmidt) Wolle 1890
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsCerataulus californicus Schmidt in Schmidt et al. 1888
Biddulphia californica (Schmidt in Schmidt et al.) Wolle 1890

Biddulphia campeachiana (Grunow) Boyer 1900, p. 707
BasionymTriceratium campechianum Grunow in O'Meara 1874
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsAmphipentas campechiana (Grunow) De Toni 1894
Amphitetras campechiana (Grunow) De Toni 1894
Triceratium campechianum Grunow in O'Meara 1874

Biddulphia condecora (Ehrenberg) Boyer 1900, p. 720
BasionymTriceratium condecorum Ehrenberg 1844
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium condecorum Ehrenberg 1844

Biddulphia consimilis (Grunow in Van Heurck) Boyer 1900, p. 709
BasionymTriceratium consimile Grunow in Van Heurck 1883
StatusValid
CommentsIsonym: combination previously published by Van Heurck 1896
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsOdontella consimilis (Grunow in Van Heurck) M. Peragallo 1903
Biddulphia consimilis (Grunow in Van Heurck) Van Heurck 1896
Triceratium consimile Grunow in Van Heurck 1883

Biddulphia convexiuscula (Grunow in Schmidt et al.) Boyer 1900, p. 709
BasionymTriceratium convexiusculum Grunow in Schmidt et al. 1890
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium convexiusculum Grunow in Schmidt et al. 1890

Biddulphia costulata (Grunow in Schmidt et al.) Boyer 1900, p. 720
BasionymTriceratium tumidum var. costulata Grunow in Schmidt et al. 1882
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium tumidum var. costulata Grunow in Schmidt et al. 1882

Biddulphia elegans (Greville) Boyer 1900, p. 717
BasionymAmphitetras elegans Greville 1866
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsAmphitetras elegans Greville 1866
Odontella elegans (Greville) M. Peragallo 1903
Triceratium elegans (Greville) Grunow in Van Heurck 1883
Odontella elegans (Van Heurck) De Toni 1894

Biddulphia grandis (Brightwell) Boyer 1900, p. 706
BasionymTriceratium grande Brightwell 1853
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium grande Brightwell 1853

Biddulphia hebetata (Grunow in Van Heurck) Boyer 1900, p. 722
BasionymTriceratium irregulare var. hebetata Grunow in Van Heurck 1883
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsBiddulphia irregulare var. hebetata Grunow in Van Heurck 1883
Triceratium hebetatum (Grunow in Van Heurck) Thum Catalogue 1889
Triceratium irregulare var. hebetata Grunow in Van Heurck 1883
Triceratium hebetatum (Grunow) Andrews 1980

Biddulphia heilpriniana (Kain & E.A. Schultze) Boyer 1900, p. 715
BasionymTriceratium heilprinianum Kain & Schultze 1889
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium heilprinianum Kain & Schultze 1889

Biddulphia heteropora (Grunow in Van Heurck) Boyer 1900, p. 723
BasionymTriceratium heteroporum Grunow in Van Heurck 1883
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium heteroporum Grunow in Van Heurck 1883
Trigonium heteroporum (Grunow in Van Heurck) Mann 1925

Biddulphia inelegans (Greville) Boyer 1900, p. 725
BasionymTriceratium inelegans Greville 1866
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium inelegans Greville 1866
Trigonium inelegans (Greville) Mann 1925

Biddulphia inelegans var. araeopora (Grunow in Van Heurck) Boyer 1900, p. 725
'areopora'
BasionymTriceratium inelegans var. araeopora Grunow in Van Heurck 1883
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium inelegans var. araeopora Grunow in Van Heurck 1883

Biddulphia inelegans var. jucatensis (Grunow in Schmidt) Boyer 1900, p. 725
BasionymTriceratium jucatense Grunow in Schmidt et al. 1882
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsBiddulphia inelegans var. jucatensis Grunow in Van Heurck 1883
Biddulphia inelegans var. yucatensis Grunow in Van Heurck 1883
Biddulphia jucatensis (Grunow in Schmidt et al.) Boyer 1927
Triceratium inelegans var. jucatensis (Grunow in Schmidt et al.) Grunow in Van Heurck 1883
Triceratium jucatense Grunow in Schmidt et al. 1882
Biddulphia juncatensis (Grunow) Mann 1925
Biddulphia jucatensis (Grunow) Mann 1925

Biddulphia inelegans var. micropora (Grunow in Van Heurck) Boyer 1900, p. 725
BasionymTriceratium inelegans var. micropora Grunow in Van Heurck 1883
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium inelegans var. micropora Grunow in Van Heurck 1883
Trigonium inelegans var. micropora (Grunow in Van Heurck) Desikachary & Sreelatha 1989

Biddulphia interpunctata (Grunow in Schmidt et al.) Boyer 1900, p. 722
BasionymTriceratium interpunctatum Grunow in Schmidt et al. 1882
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium interpunctatum Grunow in Schmidt et al. 1882

Biddulphia kainii (E.A. Schultze in Kain & E.A. Schultze) Boyer 1900, p. 718
BasionymTriceratium kainii Schultze in Kain & E. A. Schultze 1889
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium kainii Schultze in Kain & E. A. Schultze 1889

Biddulphia obtusa (Ehrenberg) Boyer 1900, p. 721 adnot.
BasionymTriceratium obtusum Ehrenberg 1844
Statusillegitimate
CommentsNon (Kützing) Ralfs in Pritchard 1861
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium obtusum Ehrenberg 1844

Biddulphia orbiculata (Shadbolt) Boyer 1900, p. 709
BasionymTriceratium orbiculatum Shadbolt 1854
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsLampriscus orbiculatum (Shadbolt) Peragallo & Peragallo 1902
Triceratium orbiculatum Shadbolt 1854
Lampriscus orbiculatus (Shadbolt) Cleve 1901

Biddulphia ovalis (Schmidt in Schmidt et al.) Boyer 1900, p. 712
BasionymCerataulus ovalis Schmidt in Schmidt et al. 1888
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsCerataulus ovalis Schmidt in Schmidt et al. 1888

Biddulphia parvula (Janisch & Rabenhorst) Boyer 1900, p. 725
BasionymAmphitetras parvula Janisch & Rabenhorst 1863
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsAmphitetras parvula Janisch & Rabenhorst 1863

Biddulphia pentacrinus (Ehrenberg) Boyer 1900, p. 717
BasionymAmphipentas pentacrinus Ehrenberg 1840
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsAmphipentas pentacrinus Ehrenberg 1840
Triceratium pentacrinus (Ehrenberg) Wallich 1858

Biddulphia quadricornis (Grunow) Boyer 1900, p. 713
BasionymZygoceros quadricornis Grunow in Van Heurck 1883
StatusValid
CommentsIsonym: See B. quadricornis (Grunow in Van Heurck) Wolle 1890
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsBiddulphia quadricornis (Grunow in Van Heurck) Wolle 1890
Zygoceros quadricornis Grunow in Van Heurck 1883

Biddulphia reticulum (Ehrenberg) Boyer 1900, p. 724
BasionymTriceratium reticulum Ehrenberg 1844
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium reticulum Ehrenberg 1844
Trigonium reticulum (Ehrenberg) Simonsen 1974

Biddulphia robertsiana (Greville) Boyer 1900, p. 707
BasionymTriceratium robertsianum Greville 1866
StatusValid
CommentsBasionym(s) cited by Boyer: "Triceratium robertsianum Grev., M.M.J. (1863), 231, Pl. 9, fig. 9 (?); ib. (1886), Pl. 2, fig. 22". T. robertsianum Greville 1863 and T. robertsianum Greville 1866 were described by Greville as two different species. They do, however share some morphological similarities. We take the 1866 species name as the basionym of Biddulphia robertsiana since Boyer placed a query on the other one.
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium robertsianum Greville 1866

Biddulphia semicircularis (Brightwell) Boyer 1900, p. 726
BasionymTriceratium semicirculare Brightwell 1853
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium semicirculare Brightwell 1853
Euodia semicircularis (Brightwell) Hustedt in Schmidt et al. 1940
Flexibiddulphia semicircularis (Brightwell) Simonsen 1987
Euodiella semicircularis (Brightwell) P.A. Sims 2000

Biddulphia spinosa (J.W. Bailey) Boyer 1900, p. 703
BasionymTriceratium spinosum J.W. Bailey 1844
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium spinosum J.W. Bailey 1844

Biddulphia subrotundata (Schmidt in Schmidt et al.) Boyer 1900, p. 720
BasionymTriceratium subrotundatum Schmidt in Schmidt et al. 1886
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium subrotundatum Schmidt in Schmidt et al. 1886

Biddulphia tabellaria (Brightwell) Boyer 1900, p. 718
'tabellarium'
BasionymTriceratium tabellarium Brightwell 1856
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium tabellarium Brightwell 1856
Trigonium tabellarium (Brightwell) Mann 1907

Biddulphia tessellata (Greville) Boyer 1900, p. 723
BasionymTriceratium tessellatum Greville 1861
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium tessellatum Greville 1861

Biddulphia testudo (Brun in Brun & Tempère) Boyer 1900, p. 726
BasionymTabulina testudo Brun in Brun & Tempère 1889
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTabulina testudo Brun in Brun & Tempère 1889
Triceratium testudo (Brun in Brun & Tempére) M. Peragallo 1903

Biddulphia thumii (Schmidt in Schmidt et al.) Boyer 1900, p. 712
BasionymCerataulus thumii Schmidt in Schmidt et al. 1888
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsCerataulus thumii Schmidt in Schmidt et al. 1888

Biddulphia trisulca (J.W. Bailey ex Ralfs in Pritchard) Boyer 1900, p. 719
BasionymTriceratium trisulcum J.W. Bailey ex Ralfs in Pritchard 1861
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium trisulcum J.W. Bailey ex Ralfs in Pritchard 1861

Biddulphia vesiculosa (Agardh) Boyer 1900, p. 716
BasionymDiatoma vesiculosum Agardh 1824
CommentsIsonym: Combination had been published earlier by Kützing 1833
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     INA card not found. Click here to check this name in the INA website.
CollectorAssessment of record accuracyuncertain/not verified
List of nomenclatural synonymsIsthmia vesiculosa (Agardh) Agardh 1832
Diatoma vesiculosum Agardh 1824
Biddulphia vesiculosa (Agardh) Kützing 1833

Hemiaulus solenoceros (Ehrenberg) Boyer 1900, p. 739
BasionymTriceratium solenoceros Ehrenberg 1844
StatusValid
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsTriceratium solenoceros Ehrenberg 1844
Trinacria solenoceros (Ehrenberg) VanLandingham 1971

Triceratium arcticum f. pentagona [no author] according to Boyer 1900, p. 715
CommentsIn syn. Biddulphia arctica var. pentagona Boyer
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsBiddulphia arctica var. pentagona Boyer 1900

Triceratium arcticum var. sexangulatum ‘J. A. Schulze’ Boyer 1900, p. 715
as Triceratium arcticum sexangulatum
StatusInvalid
CommentsNot T. sexangulatum Greville. Cited by Boyer in synonymy of Biddulphia arctica [var.] sexangulata
Published inBoyer, C.S. 1900 [ref. 000151]. The Biddulphoid forms of North American Diatomaceae. Proceedings of the Academy of Natural Sciences of Philadelphia 1900:685-748.
Type     Click here to view INA card. Click here to check this name in the INA website.
CollectorAssessment of record accuracylikely accurate
List of nomenclatural synonymsBiddulphia arctica var. sexangulata Boyer 1900
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