original description
Pilsbry, H. A. & Olsson, A. A. (1935). Tertiary fresh-water mollusks of the Magdalena Embayment, Colombia. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 87: 7-39.
page(s): 17, pl. 4, figs 1, 2, 2a [details] Available for editors [request]
basis of record
Nuttall, C. P. (1990). A review of the Tertiary non-marine molluscan faunas of the Pebasian and other inland basins of north-western South America. <em>Bulletin of The British Museum (Natural History), Geology Series.</em> 45(2): 165-371., available online at https://www.biodiversitylibrary.org/page/45474563 [details]
From editor or global species database
Type locality La Cira formation: Rio Oponcito, near Guanabanas, Colombia [details]