original description(of)Whitfield, R. P. (1865). Descriptions of new species of Eocene fossils. <em>American Journal of Conchology.</em> 1: 259–268., available online athttps://www.biodiversitylibrary.org/page/16084786 page(s): 262 [details]
basis of recordGarvie, C. L. (2013). The molluscan macrofauna of the Seguin Formation (Upper Paleocene) in Central Texas. <em>Bulletins of American Paleontology.</em> 384: 1-130., available online athttps://www.priweb.org/downloads/pubs/item_pdf_5768.pdf[details] Available for editors