original description
Haas, F. (1951). Remarks on and descriptions of South American non-marine shells. <em>Fieldiana: Zoology.</em> 31(46): 503-545., available online at https://www.biodiversitylibrary.org/page/2784155
page(s): 533-534, fig. 117A-C [details]
basis of record
Zilch, A. (1983). Die Typen und Typoide des Natur-Museums Senckenberg, 71: Mollusca: Streptaxacea (2): Haplotrematidae, Systrophiidae, Rhytididae, Streptaxidae (Nachträge zu Teil 24). <em>Archiv für Molluskenkunde.</em> 113 (1/6): 117–149; 231–233, Taf. 11–13.
page(s): 120 [details] Available for editors [request]
From editor or global species database
Type locality Peru, south of San Ignacio and west of Rio Chinchipe, close to Ecuador border, 1200m [details]