MolluscaBase name details
original description
Marks, J. G. (1951). Miocene stratigraphy and paleontology of southwestern Ecuador. <em>Bulletins of American Paleontology.</em> 33(139):1(271)-162(432), pls. 1(43)-9(51)., available online at https://www.biodiversitylibrary.org/page/10644801
page(s): 62 [332], pl. 3 [45], figs 2, 7 [details]