A new freshwater snail genus and species (Gastropoda: Caenogastropoda, Cochliopidae) with extremely spinous shells from sub-recent spring deposits in northeastern Mexico Author Czaja, Alexander 0000-0001-9157-4509 drczaja @ ujed. mx; https: // orcid. org / 0000 - 0001 - 9157 - 4509 drczaja@ujed.mx Author Covich, Alan P. Author Neubauer, Thomas A. Department of Animal Ecology and Systematics, Justus Liebig University, 35392 Giessen, Germany & Naturalis Biodiversity Center, 2300 RA Leiden, The Netherlands & SNSB-Bavarian State Collection for Paleontology and Geology, 80333 Munich, Germany. Author Estrada-Rodríguez, José Luis Author Ávila-Rodríguez, Verónica 0000-0002-2999-5764 vavilar @ gmail. com; https: // orcid. org / 0000 - 0002 - 2999 - 5764 vavilar@gmail.com Author Mata, Jorge Sáenz 0000-0001-9958-9676 jsaenz _ mata @ ujed. mx; https: // orcid. org / 0000 - 0001 - 9958 - 9676 jsaenz_mata@ujed.mx text Zootaxa 2022 2022-08-02 5169 5 472 480 journal article 182445 10.11646/zootaxa.5169.5.5 ba51e6d4-299a-45d5-bf7c-6df3b8f967f5 1175-5326 6952676 77339EEB-28FC-4D5A-AB22-9AACA4DF3050 Genus Spinopyrgus Czaja, Covich, Neubauer & Estrada-Rodríguez gen. nov. ZooBank registration number: urn:lsid:zoobank.org:act: 14D420DC-E8E7-4E6B-8E34-A6A31BEC9FB8 Type species. Spinopyrgus luismaedai sp. nov. , by present designation. Diagnosis. See diagnosis of the type species (monotypic). Etymology. The generic name is derived from the combination of two words from Latin and Greek language: spino , referring to the strong spines, and pyrgus , related to the tower-like shape.