MolluscaBase taxon details
original description
(of Epitonium (Arctoscala) condoni Dall, 1909 †) Dall, W. H. (1909). Contributions to the Tertiary Palaeontology of the Pacific coast. The Miocene of Astoria and Coos Bay, Oregon. <em>Professional Papers, United States Geological Survey.</em> 59: 1-278., available online at https://pubs.usgs.gov/pp/0059/report.pdf
page(s): 53, figs 1, 12 [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]