Browse types via publications listed by first author:
Andrews to Frenguelli
Hanna to Hanna, Hendey, and Brigger
Hemphill-Haley to Hendey and Sims
Holmes to Rabenhorst
Reinhold to Weber

Browse types by species list:
Achnanthes to Lyrella
Mammidion to Xanthiopyxis

Hanna, G D. 1927a. The lowest known tertiary diatoms in California. Journal of Paleontology, 1: 103-127. [000007]

Actinodiscus californicus Hanna p. 108, pl. 17, fig. 1
A: 894 H: 201083
Biddulphia petrolia Hanna p. 110, pl. 19, fig. 7
A: 894 H: 202005
Dicladia trinodis Hanna p. 112, pl. 18, figs. 4-5
A: 995 H: 201096
Entopyla frickei Hanna p. 113, pl. 18, figs. 6-7
A: 995 H: 201097
Liradiscus circularis Hanna p. 114, pl. 19, fig. 3
A: 894 H: 202003
Melosira caliginosa Hanna p. 115, pl. 19, fig. 8
A: 894 H: 202006
Melosira lolia Hanna p. 115, pl. 19, figs. 9-10
A: 894 S: 202007
Navicula tolmani Hanna p. 117, pl. 20, fig. 5
A: 894 H: 202012
Omphalotheca californica Hanna p. 117, pl. 20, figs. 6-7
A: 1053 S: 202013
Plagiogramma marginatus Hanna p. 118, pl. 20, fig. 8
A: 995 H: 202014
Stictodiscus coalingensis Hanna p. 121, pl. 20, fig. 15
A: 894 H: 202020
Trochosira trochlea Hanna p. 123, pl. 21, figs. 8-9
A: 894 H: 202028 referred to in 000009
Xanthiopyxis specticularis Hanna p. 124, pl. 17, fig. 10
A: 894 H: 201089 referred to in 000009

Hanna, G D. 1927b. Cretaceous diatoms from California. Occasional Papers of the California Academy of Sciences, 13: 5-49. [000010]

Actinoptychus packi Hanna p. 12, pl. 1, figs. 1-3
A: 610020 H: 201023 (slide is broken)
Actinoptychus packi Hanna p. 12, pl. 1, figs. 1-3
A: 610020 I: 201023 previously designated as paratype (slide is broken)
Actinoptychus taffi Hanna p. 13, pl. 1, fig. 4
A: 610020 H: 201024
Aulacodiscus cretaceous Hanna p. 14, pl. 1, fig. 5
A: 610020 H: 201025
Aulacodiscus pugnalus Hanna p. 14, pl. 1, figs. 6-7
A: 610020 H: 201026 no specimen on slide, "see Aulacodiscus cretaceous" (201025), slide and plate reads "pugnalis"
Aulacodiscus pugnalus Hanna p. 14, pl. 1, figs. 6-7
A: 610019 P: 201027 slide and plate reads "pugnalis"
Auliscus aenigmus Hanna p. 15, pl. 1, fig. 8
A: 610020 H: 201028
Benetorus fantasmus Hanna p. 16, pl. 1, figs. 9-10
A: 610019 H: 201029
Benetorus fantasmus Hanna p. 16, pl. 1, figs. 9-10
A: 610020 P: 201030
Cladogramma jordani Hanna p. 16, pl. 2, fig. 1
A: 610020 H: 201031
Coscinodiscus immaculatus Hanna p. 17, pl. 2, fig. 2
A: 610019 H: 201032
Coscinodiscus morenoensis Hanna p. 18, pl. 2, figs. 3-4
A: 610020 H: 201033
Coscinodiscus morenoensis Hanna p. 18, pl. 2, figs. 3-4
A: 610019 P: 201034
Coscinodiscus steinyi Hanna p. 19, pl. 2, figs. 5-6
A: 610020 H: 201035
Glorioptychus callidus Hanna p. 20, pl. 2, figs. 7-8
A: 610020 H: 201036
Horodiscus macroscriptus Hanna p. 21, pl. 2, fig. 11
A: 610019 H: 201039
Kentrodiscus aculeatus Hanna p. 22, pl. 3, fig. 6
A: 610020 H: 201044
Kentrodiscus andersoni Hanna p. 23, pl. 3, figs. 7-8
A: 610020 H: 201045
Kentrodiscus andersoni Hanna p. 23, pl. 3, figs. 7-8
A: 610020 I: 201046 previously designated as paratype
Meretrosulus gracilis Hanna p. 24, pl. 3, figs. 9-10
A: 610019 H: 201048
Meretrosulus gracilis Hanna p. 24, pl. 3, figs. 9-10
A: 610020 P: 201049 referred to in #000001
Micrampulla parvula Hanna p. 26, pl. 3, fig. 15
A: 610019 H: 201053
Odontotropis galeonis Hanna p. 26, pl. 4, figs. 1-3
A: 610020 H: 201054
Odontotropis galeonis Hanna p. 26, pl. 4, figs. 1-3
A: 610020 I: 201054 previously designated as paratype
Odontotropis galeonis Hanna p. 26, pl. 4, figs. 1-3
A: 610019 P: 201055
Pseudostictodiscus picus Hanna p. 28, pl. 3, figs. 1-4
A: 610019 H: 201040
Pseudostictodiscus picus Hanna p. 28, pl. 3, figs. 1-4
A: 610020 P: 201041, 201043
Pseudostictodiscus picus Hanna p. 28, pl. 3, figs. 1-4
A: 610021 P: 201042
Pterotheca crucifera Hanna p. 30, pl. 4, fig. 5
A: 610017 H: 201057
Pterotheca evermanni Hanna p. 31, pl. 4, fig. 6
A: 610019 S: 201058
Sphynctolethus monstrosus Hanna p. 32, pl. 4, figs. 7-8
A: 610021 H: 201059
Stephanopyxis discrepans Hanna p. 33, pl. 4, figs. 10-11
A: 610021 H: 201061
Stephanopyxis discrepans Hanna p. 33, pl. 4, figs. 10-11
A: 610019 P: 201062
Triceratium bicornigerum Hanna p. 34, pl. 4, figs. 13-14
A: 610020 H: 201064
Triceratium bicornigerum Hanna p. 34, pl. 4, figs. 13-14
A: 610019 P: 201065
Triceratium hertleini Hanna p. 35, pl. 4, fig. 15
A: 610019 H: 201066
Trinacria deciusi Hanna p. 36, pl. 5, figs. 3-5
A: 610021 S: 201069
Trinacria deciusi Hanna p. 36, pl. 5, figs. 3-5
A: 610022 P: 201070
Trinacria tristictia Hanna p. 38, pl. 5, figs. 11-12
A: 610019 H: 201076
Trinacria tristictia Hanna p. 38, pl. 5, figs. 11-12
A: 610020 P: 201075
Xanthiopyxis granti Hanna p. 39, pl. 5, figs. 13-14
A: 610020 H: 201077
Xanthiopyxis granti Hanna p. 39, pl. 5, figs. 13-14
A:610020 I: 201078 previously designated as paratype

Hanna, G D. 1930. A new genus of silicoflagellata from the Miocene of lower California. Journal of Paleontology, 4: 415-417. [000018]

Rocella gemma Hanna p. 415, pl. 40A, figs. 8-18
A: 1051 H: 203089
Rocella gemma Hanna p. 415, pl. 40A, figs. 8-18
A: 1051 I: 203089 previously designated as paratype

Hanna, G D. 1931. Diatoms and silicoflagellates of the Kreyenhagen Shale. California Division of Mines Report, 27: 187-201. [000009]

Rattrayella californica Hanna p. 196, pl. C, figs. 3-5
A: 2256 H: 204023 not described in publication
Rattrayella californica Hanna p. 196, pl. C, figs. 3-5
A:1832 P: 204022 not described in publication
Roperia marginata Hanna p. 196, pl. C, figs.1-2
A: 1832 H: 204045 slide reads "plesiotype"; not described in publication
Roperia marginata Hanna p. 196, pl. C, figs.1-2
A: 1832 I: 204045 slide reads "plesiotype"; not described in publication; previously designated as paratype

Hanna, G D. 1932. The diatoms of Sharktooth Hill, Kern County, California. Proceedings of the California Academy of Sciences, 20: 161-263. [000014]

Actinoptychus kernensis Hanna p. 170, pl. 3, figs. 2-3
A: 1068 H: 203005
Actinoptychus kernensis Hanna p. 170, pl. 3, figs. 2-3 A: 1068 I: 203005 previously designated as paratype
Auliscus bonus Hanna p. 176, pl. 5, figs. 4-5
A: 1068 H: 203014
Auliscus suppressus Hanna p. 177, pl. 5, fig. 6
A: 1068 H: 203015
Coscinodiscus meditatus Hanna p. 181, pl. 9, fig.1
A: 1068 H: 203026
Cyclotella kelloggi Hanna p. 185, pl. 10, figs. 2-4
A: 1068 H: 203031
Cyclotella kelloggi Hanna p. 185, pl. 10, figs. 2-4
A: 1068 I: 203031 previously designated as paratype
Cyclotella kelloggi Hanna p. 185, pl. 10, figs. 2-4
A: 1221 P: 203032
Cymatosira andersoni Hanna p. 187, pl. 10, fig. 6
A: 1068 H: 203034 no specimen on slide, slide reads "see Biddulphia angulata" (203016)
Dimeregramma scutulum Hanna p. 189, pl. 11, fig. 2
A: 1068 H: 203036 no specimen on slide, slide reads "see Coscinodiscus lineatus" (203023)
Hyalodiscus frenguellii Hanna p. 193, pl. 11, figs. 8-9
A: 1068 H: 203042
Hyalodiscus frenguellii Hanna p. 193, pl. 11, figs. 8-9
A: 1068 I: 203042 previously designated as paratype
Melosira geometrica Hanna p. 196, pl. 12, figs. 8-9
A: 1068 H: 203047 no specimen on slide, slide reads "see Triceratium condecorum" (203077)
Melosira geometrica Hanna p. 196, pl. 12, figs. 8-9
A: 1068 I: 203047 no specimen on slide, slide reads "see Triceratium condecorum" (203077); previously designated as paratype
Navicula kernensis Hanna p. 197, pl. 13, fig. 1
A: 1068 H: 203049
Navicula kernensis Hanna p. 197, pl. 13, fig. 1
A: 1068 I: 203050 previously designated as paratype
Navicula mimicans Hanna p. 200, pl. 13, fig. 4
A: 1068 H: 203053 slide reads "minicins"
Navicula mimicans Hanna p. 200, pl. 13, fig. 4
A: 1068 I: 203053 slide reads "minicins"; previously designated as paratype
Navicula morricei Hanna p. 201, pl. 13, fig. 5
A: 1068 H: 203054
Navicula optima Hanna p. 202, pl. 13, fig. 6
A: 1068 H: 203055 no specimen on slide, slide reads "see Coscinodiscus lineatus" (203023)
Perrya innocens Hanna p. 205, pl. 14, fig. 1 A: 1068 H: 203058
Rhaphoneis obesa Hanna p. 213, pl. 15, figs. 9-10
A: 1068 H: 203065
Rhaphoneis obesa Hanna p. 213, pl. 15, figs. 9-10
A: 1063 P: 203066
Rhaphoneis obesula Hanna p. 214, pl. 16, fig.1
A: 1068 H: 203067 no specimen on slide, slide reads "see Coscinodiscus lineatus" (203023)
Rhaphoneis parilis Hanna p. 214, pl. 16, figs. 2-4
A: 1187 H: 203068
Rhaphoneis parilis Hanna p. 214, pl. 16, figs. 2-4
A: 1187 I: 203068 previously designated as paratype
Surirella tembloris Hanna p. 220, pl. 16, figs. 13-14
A: 1063 H: 203074
Surirella tembloris Hanna p. 220, pl. 16, figs. 13-14
A: 1063 I: 203074 previously designated as paratype
Surirella tembloris Hanna p. 220, pl. 16, figs. 13-14
A: 1068 P: 203075
Tropidoneis primoris Hanna p. 223, pl. 18, figs. 1-2, pl. 17, fig. 6
A: 1068 H: 203079
Tropidoneis primoris Hanna p. 223, pl. 18, figs. 1-2, pl. 17, fig. 6
A: 1068 I: 203080 no specimen on slide, slide reads "see Coscinodiscus lineatus" (203023) previously designated as paratype
Xanthiopyxis maculata Hanna p. 225, pl. 18, fig. 4
A: 1068 H: 203082
Xanthiopyxis marginata Hanna p. 225, pl. 18, fig. 5
A: 1068 H: 203083 no specimen on slide, slide reads "see Biddulphia angulata" (203016)
Xystotheca hustedti Hanna p. 227, pl. 18, figs. 6-7
A: 1170 H: 203084 (hustedtii)
Xystotheca hustedti Hanna p. 227, pl. 18, figs. 6-7
A: 1068 P: 203085 no specimen on slide, slide reads "see Triceratium condecorum" (203085) (hustedtii)

Hanna, G D. 1933. Diatoms of the Florida peat deposits. Florida State Geological Survey, Twenty third-Twenty fourth Annual Report, 69-120. [002042]

Fragilaria floridana Hanna p. 82, figs. 1-2
A: 2257

Hanna, G D. 1934. Additional notes on diatoms from the Cretaceous of California. Journal of Paleontology, 8: 352-355. [000015]

Chasea bicornis Hanna p. 354, pl. 48, figs. 12-16
A: 1144 S: 202094-202095
Rattrayella churchi Hanna p. 355, pl. 48, figs. 3-5
A: 1144 H: 206050
Rattrayella churchi Hanna p. 355, pl. 48, figs. 3-5 A: 1144 I: 206051 previously designated as paratype

Hanna, G D. 1970. Fossil diatoms from the Pribilof Islands, Bering Sea, Alaska. Proceedings of the California Academy of Sciences, Fourth Series, 37: 167-233. [000002]

Biddulphia baltzoi Hanna p. 182, fig. 82
A: 36829 H: 207042 slide reads "Hypotype"
Cocconeis pribilofensis Hanna p. 184, fig. 34
A: 36829 H: 206083
Xanthiopyxis lohmani Hanna p. 196, fig. 69
A: 36829 H: 207014 pub reference: #3609 in publication, #3608 on slide

Hanna, G D. and Brigger A.L. 1964. Some fossil diatoms from Barbados. Occasional Papers of the California Academy of Sciences, 45: 1-27. [000460]

Aulacodiscus behani Hanna & Brigger p. 3, pl. 1, fig. 6
A: 611331 H: 206018
Aulacodiscus currus Hanna & Brigger p. 4, pl. 1, fig. 5
A: 611332 H: 206019
Entogonia complexa Hanna & Brigger p. 12, pl. 2, fig. 5
A: 611331 H: 206027
Entogonia versuta Hanna & Brigger p. 12, pl. 3, figs. 1-5
A: 611331 H: 206028
Fenestrella picta Hanna & Brigger p. 9, pl. 4, fig. 3
A: 611332 H: 206033
Glyphodiscus dubiosus Hanna & Brigger p. 13, pl. 3, figs. 8-9
A: 611331 H: 206029
Helminthopsis sokoli Hanna & Brigger p. 13, pl. 3, figs. 6-7
A: 611331 H: 206030
Pyxilla boothi Hanna & Brigger p. 17, pl. 4, fig. 9
A: 611332 H: 206032
Rattrayella decipiens Hanna & Brigger p. 20, pl. 5, fig. 4
A: 611331 H: 206036
Robinsonetta barboi Hanna & Brigger p. 20, pl. 4, figs. 7-8
A: 611331 H: 206037
Stephanogonia mutabila Hanna & Brigger p. 21, pl. 5, fig. 1
A: 611331 H: 206038
Stephanopyxis herzbergi Hanna & Brigger p. 21, pl. 4, fig. 6
A: 611331 H: 206039
Triceratium diversum Hanna & Brigger p. 21, pl. 5, fig. 5
A: 611331 H: 206040
Triceratium firthi Hanna & Brigger p. 24, pl. 5, fig. 2
A: 611331 H: 206041
Triceratium needhami Hanna & Brigger p. 24, pl. 5, fig. 3
A: 611331 H: 206042

Hanna, G D. and Grant, W.M. 1926. Expedition to the Revillagigedo Islands, Mexico, in 1925, II. Miocene marine diatoms from Maria Madre Island, Mexico. Proceedings of the California Sciences, Fourth Series, 15: 115-193. [000012]

Actinocyclus allinearius Hanna & Grant p. 117, pl. 11, fig. 1
A: 971 H: 200001
Actinocyclus canestrus Hanna & Grant p. 117, pl. 11, fig. 2
A: 971 H: 200002
Actinocyclus cubitus Hanna & Grant p. 118, pl. 11, fig. 3
A: 971 H: 200003
Actinocyclus cubitus Hanna & Grant p. 118, pl. 11, fig. 3
A: 971 I: 200004 previously designated as paratype
Actinocyclus rosoleo Hanna & Grant p. 119, pl. 11, fig. 5
A: 971 H: 200006
Actinoptychus gallegosi Hanna & Grant p. 120, pl. 11, fig. 6
A: 971 H: 200007
Actinoptychus perplexus Hanna & Grant p. 122, pl. 11, figs. 10-11
A: 971 H: 200010
Actinoptychus solisi Hanna & Grant p. 122, pl. 12, figs. 1-3
A: 971 H: 200011
Actinoptychus solisi Hanna & Grant p. 122, pl. 12, figs. 1-3
A: 971 I: 200012- 200013 previously designated as paratype
Amphora maria Hanna & Grant p. 124, pl. 12, fig. 6
A: 971 H: 200016
Arachnoidiscus manni Hanna & Grant p. 125, pl. 12, figs. 7-9
A: 971 H: 200017 slide reads "plesiotype"
Asteromphalus dubius Hanna & Grant p. 126, pl. 13, fig. 2
A: 971 H: 200021
Aulacodiscus rellae Hanna & Grant p. 128, pl. 13, figs. 5-6
A: 971 H: 200024
Biddulphia deodora Hanna & Grant p. 131, pl. 14, figs. 1-2
A: 971 H: 200031
Biddulphia deodora Hanna & Grant p. 131, pl. 14, figs. 1-2
A: 971 I: 200032 previously designated as paratype
Biddulphia jordani Hanna & Grant p. 131, pl. 14, fig. 3
A: 971 H: 200029
Biddulphia penitens Hanna & Grant p. 132, pl. 14, figs. 4-5
A: 971 H: 200033
Biddulphia penitens Hanna & Grant p. 132, pl. 14, figs. 4-5
A: 971 I: 200034 previously designated as paratype
Biddulphia riedyi Hanna & Grant p. 132, pl. 14, fig. 6
A: 971 H: 200035
Campylodiscus prentissi Hanna & Grant p. 134, pl. 14, fig. 8
A: 971 H: 200037
Cerataulus imperator Hanna & Grant p. 134, pl. 14, fig. 9
A: 971 H: 200038
Cocconeis contrerasi Hanna & Grant p. 134, pl. 14, fig. 10
A: 971 H: 200039
Cocconeis triumphis Hanna & Grant p. 134, pl. 14, figs. 11-13
A: 971 H: 200040
Cocconeis triumphis Hanna & Grant p. 134, pl. 14, figs. 11-13
A: 971 I: 200041- 200042 previously designated as paratype
Coscinodiscus evermanni Hanna & Grant p. 137, pl. 15, fig. 3
A: 971 H: 200045
Coscinodiscus evermanni Hanna & Grant p. 137, pl. 15, fig. 3
A: 971 I: 200045 previously designated as paratype
Coscinodiscus hertleini Hanna & Grant p. 138, pl. 15, fig. 5
A: 971 H: 200047
Coscinodiscus masoni Hanna & Grant p. 140, pl. 15, fig. 8
A: 971 H: 200058 no specimen on slide, slide reads "see Eupodiscus rogersii" (200059)
Dicladia pylea Hanna & Grant p. 142, pl. 16, figs. 4-5
A: 971 H: 200056
Glyphodesmis driveri Hanna & Grant p. 144, pl. 16, fig. 9
A: 971 H: 200061 "Glyphodesmus" misspelled on slide & publication
Glyphodesmis sigmoideus Hanna & Grant p. 145, pl. 16, fig. 10
A: 971 H: 200062 "Glyphodesmus" misspelled on slide & publication
Grammatophora merletta Hanna & Grant p. 146, pl. 16, figs. 11-12, 14
A: 971 H: 200063
Grammatophora merletta Hanna & Grant p. 146, pl. 16, figs. 11-12, 14
A: 971 I: 200100, 201001 Slide reads "for paratype see Plagiogramma hymenoptera no. 1970"; previously designated as paratype
Hemidiscus niveus Hanna & Grant p. 146, pl. 17, fig. 1
A: 971 H: 200064
Hemidiscus simplicissimus Hanna & Grant p. 147, pl. 16, fig. 13
A: 971 H: 200065
Navicula eastwoodi Hanna & Grant p. 150, pl. 17, fig. 11
A: 971 H: 200073
Navicula madrae Hanna & Grant p. 152, pl. 18, fig. 6
A: 971 H: 200082
Navicula ortolanae Hanna & Grant p. 153, pl. 18, fig. 7
A: 971 H: 200083
Navicula regata Hanna & Grant p. 155, pl. 18, fig. 13
A: 971 H: 200088
Navicula stippi Hanna & Grant p. 156, pl. 17, fig. 12
A: 971 H: 200075
Navicula subspectabilis Hanna & Grant p. 157, pl. 19, fig. 3
A: 971 H: 200091
Nitzschia hondoensis Hanna & Grant p. 158, pl. 21, fig. 5
A: 971 H: 200093
Nitzschia nelsoni Hanna & Grant p. 159, pl. 21, figs. 6-7
A: 971 H: 200094
Nitzschia nelsoni Hanna & Grant p. 159, pl. 21, figs. 6-7
A: 971 I: 200095 previously designated as paratype
Nitzschia princeps Hanna & Grant p. 159, pl. 21, fig. 8
A: 971 H: 200096
Plagiogramma fascinatum Hanna & Grant p. 160, pl. 19, fig. 7
A: 971 H: 200098
Plagiogramma hymenoptera Hanna & Grant p. 161, pl. 19, fig. 8
A: 971 H: 200099
Plagiogramma insolito Hanna & Grant p. 161, pl. 19, fig. 9
A: 971 H: 201002
Plagiogramma insolito Hanna & Grant p. 161, pl. 19, fig. 9
A: 971 I: 201003 previously designated as paratype
Pleurosigma manni Hanna & Grant p. 162, pl. 19, fig. 11, pl. 20, fig. 1
A: 971 H: 201005
Podosira clarki Hanna & Grant p. 163, pl. 20, fig. 3
A: 971 H: 201007
Podosira ovoidea Hanna & Grant p. 163, pl. 20, fig. 4
A: 971 H: 201008
Podosira polita Hanna & Grant p. 164, pl. 20, fig. 5
A: 971 H: 201009
Stephanogonia pretiosa Hanna & Grant p. 166, pl. 20, fig. 10
A: 971 H: 201013
Surirella newmani Hanna & Grant p. 167, pl. 21, fig. 1
A: 971 H: 201016
Synedra duhemi Hanna & Grant p. 168, pl. 21, fig. 3
A: 971 H: 201018
Xanthiopyxis hirsuta Hanna & Grant p. 170, pl. 21, fig. 10
A: 971 H: 201021

Hanna, G D. and Grant, W.M. 1929. Brackish-water Pliocene diatoms from the Etchegoin formation of Central California. Journal of Paleontology, 3: 87-101. [000011]

Nitzschia etchegoinia Hanna & Grant p. 99, pl. 14, fig. 3
A: 969 H: 202056

Hanna, G D. and Grant, W.M. 1931. Diatoms of Pyramid Lake, Nevada. Transactions of the American Microscopical Society, 50: 281-297. [000032]

Surirella nevadensis Hanna & Grant p. 289, pl. 26, figs. 3-4
A: 1301 H: 204016
Surirella nevadensis Hanna & Grant p. 289, pl. 26, figs. 3-4
A: 1301 I: 204017 previously designated as paratype

Hanna, G D., Hendey, N.I. and Brigger, A.L. 1976. Some Eocene diatoms from South Atlantic Cores. Part 1. New and rare species of Arachnoidiscus. Occasional Papers of the California Academy of Sciences, 123: 2-19. [000013]

Arachnoidiscus atlanticus Hanna, Hendey & Brigger p. 7, pl. 1, fig. 2
A: 610036 H: 217062
Arachnoidiscus magister Hanna, Hendey & Brigger p. 9, pl. 2, figs. 4-5
A: 39573 H: 217067
Arachnoidiscus magnificus Hanna, Hendey & Brigger p. 10, pl. 1, fig. 4
A: 610035 H: 217064 no holotype label on slide, specimen matches fig.
Arachnoidiscus primordialis Hanna, Hendey & Brigger p. 10, pl. 3, figs. 5-6
A: 39650 H: 217072
Arachnoidiscus primordialis Hanna, Hendey &Brigger p. 10, pl. 3, figs. 5-6
A:610034 P: 217073
Arachnoidiscus sokoli Hanna, Hendey & Brigger p. 11, pl. 2, fig. 3
A: 39650 H: 217066 slide reads "new species" - not holotype
Arachnoidiscus stictodiscoides Hanna, Hendey & Brigger p. 12, pl. 3, figs. 1-4
A: 39573 H: 217069
Arachnoidiscus stictodiscoides Hanna, Hendey & Brigger p. 12, pl. 3, figs. 1-4
A: 610033 P: 217070
Arachnoidiscus stictodiscoides Hanna, Hendey & Brigger p. 12, pl. 3, figs. 1-4
A: 610035 P: 217071