MolluscaBase taxon details
original description
(of Galerus excentricus Gabb, 1864 †) Gabb, W. M. (1864). Description of the Cretaceous fossils. <em>In: Meek, F. B. and Gabb, W. M. Geological Survey of California, Palaeontology of California.</em> 1: 55-243, pls. 9-32., available online at https://biodiversitylibrary.org/page/2062749
page(s): 136, pl. 20, fig. 95, pl. 29, fig. 232a [details]
original description
(of Calyptraea washingtonensis C. E. Weaver, 1916 †) Weaver, C.E. 1916. Tertiary faunal horizons of western Washington. University of Washington Publications in Geology 1(1):1–67., available online at https://www.biodiversitylibrary.org/page/19832863
page(s): 44, pl. 3/44 [details]
basis of record
Hickman, C. S. (1980). Paleogene marine gastropods of the Keasey Formation in Oregon. <em>Bulletins of American Paleontology.</em> 78(310):1-112, 10 pls. [details]