(ofHemisinus (Longiverena) Pilsbry & Olsson, 1935)Pilsbry, H. A. & Olsson, A. A. (1935). Tertiary fresh-water mollusks of the Magdalena Embayment, Colombia. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 87: 7-39. page(s): 11 [details] Available for editors [request]
original description(ofHemisinus (Longiverena) Pilsbry & Olsson, 1935)Pilsbry, H. A. & Olsson, A. A. (1935). Tertiary fresh-water mollusks of the Magdalena Embayment, Colombia. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 87: 7-39. page(s): 11 [details] Available for editors [request]