original description
Gabb, W. M. (1860). Descriptions of new species of American Tertiary and Cretaceous fossils. <em>Journal of the Academy of Sciences of Philadelphia, Second Series.</em> 4: 375-404, pls. 67-69., available online at https://biodiversitylibrary.org/page/36862263
page(s): 385, pl. 67, fig. 42 [details]
From editor or global species database
Type locality Texas, Caldwell County and Wheelock [details]