MolluscaBase name details
Geratrigonia hosourensis var. convexa T. Kobayashi, 1954 †
932942 (urn:lsid:marinespecies.org:taxname:932942)
unaccepted > superseded combination
Variety
marine, brackish, fresh, terrestrial
fossil only
Kobayashi, T.; Mori, K. (1954). Studies on the Jurassic trigonians in Japan. Part. II. Prosogyrotrigonia and the Trigoniinae. <em>Japanese Journal of Geology and Geography.</em> 25: 155-175.
page(s): 172, pl. 16, fig. 9a, b [details] Available for editors
[request]
page(s): 172, pl. 16, fig. 9a, b [details] Available for editors
[request]
Type locality contained in Honshu
type locality contained in Honshu [details]
MolluscaBase eds. (2025). MolluscaBase. Geratrigonia hosourensis var. convexa T. Kobayashi, 1954 †. Accessed at: https://www.molluscabase.org/aphia.php/10.1111/aphia.php?p=taxdetails&id=932942 on 2025-09-12
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original description
Kobayashi, T.; Mori, K. (1954). Studies on the Jurassic trigonians in Japan. Part. II. Prosogyrotrigonia and the Trigoniinae. <em>Japanese Journal of Geology and Geography.</em> 25: 155-175.
page(s): 172, pl. 16, fig. 9a, b [details] Available for editors [request]
page(s): 172, pl. 16, fig. 9a, b [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
