Stimpson, W. (1865). On certain genera and families of zoophagous gasteropods. <em>American Journal of Conchology.</em> 1: 55-64, pl. 8-9., available online athttp://biodiversitylibrary.org/page/16084574 page(s): 59 [details]
MolluscaBase eds. (2024). MolluscaBase. Ptychatractidae W. Stimpson, 1865. Accessed at: https://www.molluscabase.org/aphia.php?p=taxdetails&id=411810 on 2024-09-04
original descriptionStimpson, W. (1865). On certain genera and families of zoophagous gasteropods. <em>American Journal of Conchology.</em> 1: 55-64, pl. 8-9., available online athttp://biodiversitylibrary.org/page/16084574 page(s): 59 [details]
original description(ofGraphidulidae Stephenson, 1941 †)Stephenson, L. W. (1941). The larger invertebrate fossils of the Navarro Group of Texas (exclusive of corals and crustaceans and exclusive of the fauna of the Escondido Formation). <em>The University of Texas Publication.</em> 4101: 1-641. page(s): 345 [details] Available for editors [request]
taxonomy sourceBouchet P., Rocroi J.P., Hausdorf B., Kaim A., Kano Y., Nützel A., Parkhaev P., Schrödl M. & Strong E.E. (2017). Revised classification, nomenclator and typification of gastropod and monoplacophoran families. <em>Malacologia.</em> 61(1-2): 1-526. page(s): 350 [details] Available for editors [request]
Present Inaccurate Introduced: alien Containing type locality