Traits taxon details
original description
(of Pseudohyria triangularis Martinson, 1965 †) Martinson, G.G. (1965). Biostratigrafiya i fauna kontinental'nogo mela Fergany [Biostratigraphy and fauna of the continental Cretaceous of Fergana]. In: Melovyye kontinental'nyye otlozheniya Fergany. Nauka, Moskva, p. 101-139., available online at https://www.geokniga.org/books/6382 page(s): 117-118, pl. 1, fig. 10, pl. 4, figs 1, 2 [details]
original description
(of Trigonioides cardiiformis var. radiata Martinson, 1957 †) Martinson, G.G. (1957). Mezozoyskiye presnovodnyye mollyuski nekotorykh rayonov Vostochnoy i Tsentral'noy Azii. <em>Trudy Baikal'skoy Limnologicheskoy Stantzii Akademii Nauk SSSR.</em> 15: 262-336. page(s): 277-278, pl. 4, figs 6, 7, textfig. 11 [details] Available for editors 
basis of record
Martinson, G.G. (1965). Melovyye plastinchatozhabernyye semeystva Trigonioididae i ikh klassifikatsiya [The Cretaceous lamellibranch family Trigonioididae and its classification]. <em>Paleontologicheskiy Zhurnal.</em> 1965(4): 16-25. page(s): 21 [details] Available for editors 
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