Traits name details
original description
Dickerson, R. E. (1917). Climate and its influence upon the Oligocene faunas of the Pacific coast, with descriptions of some new species from the <i>Molopophorus lincolnensis</i> Zone. <em>Proceedings of the California Academy of Sciences, forth series.</em> 7(6): 157-192, pls. 27-31., available online at https://www.biodiversitylibrary.org/page/27141701 page(s): 174-175, pl. 30, fig. 4a, b [details]
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