MolluscaBase taxon details
basis of record
Pacaud J.M. & Le Renard J. (1995). Révision des Mollusques paléogènes du Bassin de Paris. IV- Liste systématique actualisée. <em>Cossmanniana.</em> 3(4): 151-187., available online at http://www.germc.net/wp-content/uploads/Cossmanniana_tome34_1995.pdf [details]
additional source
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.
page(s): 63 [details]