original description
Ihering, H. von. (1907). Les mollusques fossiles du Tertiaire et du Crétacé supérieur de l'Argentine. <em>Anales del Museo Nacional de Buenos Aires.</em> ser. 3, 7: xiii, 1–611, 18 pls., available online at http://www.biodiversitylibrary.org/item/50857
page(s): 464, pI. 18, fig. 127 [details]
From editor or global species database
Type locality "Río Chico (Chubut)", Argentina [details]