Gastropoda - Murchisoniina - Portlockiellidae
Full reference: R. L. Batten. 1956. Some new pleurotomarian gastropods from the Permian of west Texas. Journal of the Washington Academy of Sciences 46(1):42-44
Parent taxon: Eotomarioidea according to P. J. Wagner 2023
See also Bouchet et al. 2005, Golikov and Starobogatov 1975, Heidelberger and Koch 2005, Karapunar and Nützel 2022 and Knight et al. 1960
Sister taxa: Eotomariidae, Gosseletinidae, Luciellidae, Phanerotrematidae, Phymatopleuridae, Porcelliidae, Pseudoschizogoniidae, Rhaphistomellidae, Temnotropidae, Wortheniellidae
Subtaxa: Hammatospira Nodonema Permoconcha Portlockiella Shansiella
Type: Portlockiella
Ecology: epifaunal detritivore
Distribution:
• Permian of Greece (1 collection), Japan (1), the Russian Federation (3), United States (4: Texas)
• Carboniferous of Belgium (1), China (2), Germany (1), Poland (1), the United Kingdom (5), United States (78: Arizona, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nevada, New Mexico, Ohio, Oklahoma, Pennsylvania, Texas, Wyoming)
• Devonian of Canada (6: Manitoba, Ontario), China (1), Germany (1), the United Kingdom (1), United States (4: Illinois, Michigan, Ohio)
Total: 110 collections including 117 occurrences