original description
Pilsbry, H. A. (1953). Part 3B. Fresh-water Mollusks. In: A.A. Olsson and A. Harbison, Pliocene Mollusca of Southern Florida with Special Reference to Those from North Saint Petersburg. <em>Academy of Natural Sciences of Philadelphia. Monograph.</em> 8: 439-447, plates 64-65.
page(s): 447, pl. 65, fig. 8 [details] Available for editors [request]
From editor or global species database
Fossil range Age given as "St. Petersburg Pliocene", which may today be late Pliocene or early Pleistocene (Caloosahatchee Formation). [details]