Traits name details
original description
Dickerson, R. E. (1914). Fauna of the Martinez Eocene of California. <em>University of California Publications, Bulletin of the Department of Geology.</em> 8(6): 61-180, pls 6-18., available online at https://www.biodiversitylibrary.org/page/21870620 page(s): 144-145, pl. 14, fig. 6a, b [details]
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