Traits taxon details
original description
Cooper, M. R. (2021). On the Apiotrigoniinae (Bivalvia, Trigoniida): their palaeobiogeography, evolution and classification. <em>Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen.</em> 300(2): 145-174., available online at https://doi.org/10.1127/njgpa/2021/0982 page(s): 151 [details] Available for editors 
original description
(of Trigonia kitchini Stoyanow, 1949 †) Stoyanow, A. (1949). Lower Cretaceous stratigraphy in southeastern Arizona. <em>Geological Society of America, Memoir.</em> 38: 1-169., available online at https://doi.org/10.1130/MEM38-p1 page(s): 82, pl. 14, figs 4-10 [details] Available for editors 
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