original description
Guppy, R. J. L. & Dall, W. H. (1896). Descriptions of Tertiary fossils from the Antillean region. <em>Proceedings of the United States National Museum.</em> 19: 303–331, pls 27–30. (30 December 1896)., available online at https://www.biodiversitylibrary.org/page/7295135
page(s): 312-313, pl. 29, fig. 7 [details]
From editor or global species database
Type locality Isthmus of Darien, near Gatun [details]