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): 150 [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): 150 [details]