Traits taxon details
original description
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): 138. [details] 
additional source
Saul, L. R.; Squires, R. L. (2008). Cretaceous trichotropid gastropods from the Pacific slope of North America: Possible pathways to calyptraeid morphology. <em>The Nautilus.</em> 122(3): 115-142. page(s): 123 [details] Available for editors 
status source
Kiel, S. & Bandel. K. (2003) New taxonomic data for the gastropod fauna of the Umzamba Formation (Santonian-Capanian, South Africa) based on newly collected material. Cretaceous Research, 24, 449-475., available online at https://doi.org/10.1016/s0195-6671(03)00055-7 page(s): 460. [details] Available for editors 
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