Gastropoda - Pleurotomarioidea

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: Pleurotomarioidea according to P. Bouchet et al. 2005

Sister taxa: Anarconcha, Barocospira, Bohemipleura, Catantostomatidae, Gyroma, Kittlidiscidae, Kobayashiconcha, Kozelconcha, Lancedelliidae, Phymatopleuridae, Pleurotomariidae, Plocostoma, Polytremariidae, Rhaphischismatidae, Stuorellidae, Trachybembix, Tragatoma, Transylvanella, Trochotomidae, Zygitidae

Subtaxa: Agniesella, Hammatospira, Nodonema, Portlockiella, Shansiella, Tapinotomaria

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Type: Portlockiella

Ecology: epifaunal grazer