MolluscaBase name details
Margaritana subangulata J. G. Cooper, 1894 †
1536174 (urn:lsid:marinespecies.org:taxname:1536174)
unaccepted (secondary junior homonym of Anodonta angulata var. subangulata Hemphill, 1891; synonym)
Species
fossil only
Cooper, J.G. (1894). On some Pliocene fresh water fossils of California. <em>Proceedings of the California Academy of Sciences, second series.</em> 4: 166-172., available online at https://www.biodiversitylibrary.org/page/16063639
page(s): 166-167, pl. 14, figs 1-4 [details]
page(s): 166-167, pl. 14, figs 1-4 [details]
Note "On the west border of the Kettleman Plains"...
From editor or global species database
Type locality "On the west border of the Kettleman Plains" (California, USA) [details]
Homonymy Secondary junior homonym of Anodonta angulata var. subangulata Hemphill, 1891 according to Arnold (1909), who considered...
Homonymy Secondary junior homonym of Anodonta angulata var. subangulata Hemphill, 1891 according to Arnold (1909), who considered both to belong in Gonidea. He introduced Gonidea coalingensis var. cooperi as replacement name. Modell (1957) treated the variety as a synonym of Gonidea coalingensis Arnold, 1909. [details]
MolluscaBase eds. (2025). MolluscaBase. Margaritana subangulata J. G. Cooper, 1894 †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=1536174 on 2025-05-05
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original description
Cooper, J.G. (1894). On some Pliocene fresh water fossils of California. <em>Proceedings of the California Academy of Sciences, second series.</em> 4: 166-172., available online at https://www.biodiversitylibrary.org/page/16063639
page(s): 166-167, pl. 14, figs 1-4 [details]
source of synonymy Modell, H. (1957). Die fossilen Najaden Nordamerikas. Ein Klassifizierungsversuch. <em>Archiv für Molluskenkunde.</em> 86(4/6): 183-200.
page(s): 195 [details] Available for editors
[request]
page(s): 166-167, pl. 14, figs 1-4 [details]
source of synonymy Modell, H. (1957). Die fossilen Najaden Nordamerikas. Ein Klassifizierungsversuch. <em>Archiv für Molluskenkunde.</em> 86(4/6): 183-200.
page(s): 195 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Homonymy Secondary junior homonym of Anodonta angulata var. subangulata Hemphill, 1891 according to Arnold (1909), who considered both to belong in Gonidea. He introduced Gonidea coalingensis var. cooperi as replacement name. Modell (1957) treated the variety as a synonym of Gonidea coalingensis Arnold, 1909. [details]Type locality "On the west border of the Kettleman Plains" (California, USA) [details]
