MolluscaBase taxon details
Nipponitrigonia kikuchiana (Yokoyama, 1891) †
933154 (urn:lsid:marinespecies.org:taxname:933154)
accepted
Species
Trigonia kikuchiana Yokoyama, 1891 † · unaccepted > superseded combination
Trigonia rotundata Yokoyama, 1891 † · unaccepted > superseded combination
- Variety Nipponitrigonia kikuchiana var. plicata T. Kobayashi & M. Nakano, 1958 † (uncertain > unassessed)
marine, brackish, fresh, terrestrial
fossil only
(of Trigonia kikuchiana Yokoyama, 1891 †) Yokoyama, M. (1891). On some Cretaceous fossils from Shikoku. <em>Journal of the College of Science, Imperial University of Tokyo.</em> 4, 357-366.
page(s): 363, pl. 40 figs 4-6 [details]
page(s): 363, pl. 40 figs 4-6 [details]
Type locality contained in Shikoku
type locality contained in Shikoku [from synonym] [view taxon] [details]
MolluscaBase eds. (2025). MolluscaBase. Nipponitrigonia kikuchiana (Yokoyama, 1891) †. Accessed at: https://molluscabase.org/aphia.php?p=taxdetails&id=933154 on 2025-09-12
Date
action
by
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
original description
(of Trigonia rotundata Yokoyama, 1891 †) Yokoyama, M. (1891). On some Cretaceous fossils from Shikoku. <em>Journal of the College of Science, Imperial University of Tokyo.</em> 4, 357-366. [details]
original description (of Trigonia kikuchiana Yokoyama, 1891 †) Yokoyama, M. (1891). On some Cretaceous fossils from Shikoku. <em>Journal of the College of Science, Imperial University of Tokyo.</em> 4, 357-366.
page(s): 363, pl. 40 figs 4-6 [details]
basis of record Cox, L. R. (1952). Notes on Trigoniidae, with outlines of a classification of the family. <em>Proceedings of the Malacological Society of London.</em> 29(2–3):45–70, pl. 3–4.
page(s): 53 [details] Available for editors
[request]
original description (of Trigonia kikuchiana Yokoyama, 1891 †) Yokoyama, M. (1891). On some Cretaceous fossils from Shikoku. <em>Journal of the College of Science, Imperial University of Tokyo.</em> 4, 357-366.
page(s): 363, pl. 40 figs 4-6 [details]
basis of record Cox, L. R. (1952). Notes on Trigoniidae, with outlines of a classification of the family. <em>Proceedings of the Malacological Society of London.</em> 29(2–3):45–70, pl. 3–4.
page(s): 53 [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
