MolluscaBase taxon details
original description
(of Gastrocopta (Vertigopsis) tavennerensis Pierce, 1992 †) Pierce, H.G.; Rasmussen, D.L. (1992). The nonmarine mollusks of the Late Oligocene-Early Miocene Cabbage Patch fauna of western Montana. I. Geologic setting and the family Pupillidae (Pulmonata: Stylommatophora). <em>Journal of Paleontology.</em> 66(1): 39-52.
page(s): 45-46, figs 4.10-4.12, 5.1 [details] Available for editors [request]