Traits taxon details
original description
Effinger, W. L. (1938). The Gries Ranch fauna (Oligocene) of western Washington. <em>Journal of Paleontology.</em> 12(3): 355-390, pls. 45-47. page(s): 381, pl. 47, figs 29, 35 [details] Available for editors 
basis of record
Groves, L.; Squires, R. L. (2023). Revision of northeast Pacific Paleogene cypraeoidean gastropods (Mollusca), including recognition of three new species: Implications for paleobiogeographic distribution and faunal turnover. <em>PaleoBios.</em> 40(10): 1-52., available online at https://escholarship.org/content/qt1dd6d638/qt1dd6d638.pdf page(s): 35 [details]
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