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Traits taxon detailsNipponitrigonia kikuchiana (Yokoyama, 1891) †
933154 (urn:lsid:marinespecies.org:taxname:933154)
accepted
Species
Trigonia kikuchiana Yokoyama, 1891 † · unaccepted
Trigonia rotundata Yokoyama, 1891 † · unaccepted
marine,
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] 
MolluscaBase eds. (2025). MolluscaBase. Nipponitrigonia kikuchiana (Yokoyama, 1891) †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=933154 on 2025-05-21
Marine Species Traits editorial board (2025). Marine Species Traits. Nipponitrigonia kikuchiana (Yokoyama, 1891) †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=933154 on 2025-05-21
Date action by
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  |
