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): 323, pl. 27, fig. 2 [details]
additional source
Maury, C. J. (1925). A further contribution to the paleontology of Trinidad (Miocene Horizons). <em>Bulletins of American Paleontology.</em> 10(42): 153-402, pls. 1-43., available online at https://www.biodiversitylibrary.org/page/32509152
page(s): 399 [details]
From editor or global species database
Type locality Pointapier, Trinidad [details]