MolluscaBase name details
original description
Squires R.L. (1989). Pteropods (Mollusca: Gastropoda) from Tertiary formations of Washington and Oregon. <em>Journal of Paleontology.</em> 63(4): 433–438., available online at https://doi.org/10.1017/S0022336000019673
page(s): 447, figs 2.10–11 [details]