original description
Dall, W. H. (1915). A monograph of the molluscan fauna of the <em>Orthaulax pugnax</em> Zone of the Oligocene of Tampa, Florida. <em>Bulletin of the United States National Museum.</em> 90: 1-173, 26 pls., available online at https://www.biodiversitylibrary.org/page/7827114
page(s): 31, pl. 1, figs 8-9 [details]
additional source
Henderson, J. (1935). Fossil non-marine Mollusca of North America. <em>Geological Society of America Special Papers.</em> 3: 1-313.
page(s): 246 [details] Available for editors [request]
From editor or global species database
Type locality Tampa (Ballast Point), Florida, United States; Arcadia Formation (Tampa Member), late Oligocene to early Miocene [details]