original description
Etheridge, R. (1879). Notes on the Mollusca collected by C. Barrington Brown, Esq., A.R.S.M., from the Tertiary Deposits of Solimões and Javary Rivers, Brazil. <em>Quarterly Journal of the Geological Society.</em> 35: 82-88., available online at https://archive.org/stream/quarterlyjourna351879geol#page/82/mode/2up
page(s): 86-87 [details]
new combination reference
Wesselingh, F.P. (2006). Molluscs from the Miocene Pebas Formation of Peruvian and Colombian Amazonia. <em>Scripta Geologica.</em> 133: 19-290., available online at http://www.repository.naturalis.nl/document/41346
page(s): 176-177, figs 17n, 221 [details]
From editor or global species database
Type locality Canama, at the Javary river, Peru [details]