original description(ofGyrodes (Hypterita) robsauli Popenoe, Saul & Susuki, 1987 †)Popenoe W.P., Saul L.R., Susuki T. (1987). Gyrodiform gastropods from the Pacific coast Cretaceous and Paleocene. <em>Journal of Paleontology.</em> 61: 70-100. page(s): 89, figs. 4.11-4.14, 4.16-4.19, 4.21-4.23 [details] Available for editors [request]
From editor or global species database
Fossil range Upper Cretaceous, Maastrichtian Stage [details] Type locality USA, California, Fresno County, Anticline Ridge, Joaquin Rocks Quadrangle [details]
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