Traits name details
original description
Maury, C. J. (1925). A further contribution to the paleontology of Trinidad (Miocene Horizons). <em>Bulletins of American Paleontology.</em> 10(42): 153-402, pls. 1-43., available online at https://www.biodiversitylibrary.org/page/32509152 page(s): 236-237 [84-85], pl. 16, figs 2, 3, 5 [details]
additional source
Jung, P. (1969). Miocene and Pliocene mollusks from Trinidad. <em>Bulletins of American Paleontology.</em> 55(247): 289-657., available online at https://www.biodiversitylibrary.org/page/10654201 page(s): 344, pl. 19, figs 3, 4 [details]
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