Pilsbry, H. A. (1944). Molluscan Fossils from the Rio Pachitea and Vicinity in Eastern Peru. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 96: 137-153. page(s): 149, pl. 11, fig. 39, 41 [details]
original descriptionPilsbry, H. A. (1944). Molluscan Fossils from the Rio Pachitea and Vicinity in Eastern Peru. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 96: 137-153. page(s): 149, pl. 11, fig. 39, 41 [details]
status sourceNuttall, C. P. (1990). A review of the Tertiary non-marine molluscan faunas of the Pebasian and other inland basins of north-western South America. <em>Bulletin of The British Museum (Natural History), Geology Series.</em> 45(2): 165-371., available online athttps://www.biodiversitylibrary.org/page/45474563 page(s): 318 [details]
Present Inaccurate Introduced: alien Containing type locality
Status According to Nuttall (1990), the species cannot be assigned to a genus because of the poor preservation. [details] Type locality Station 269, Rio Pachitea, about two miles downstream from Isla de Santa Isabel (Peru) [details]
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