Full reference: A. N. Golikov and Y. I. Starobogatov. 1975. Systematics of prosobranch gastropods. Malacologia 15(2):185-232
Parent taxon: Caenogastropoda according to A. N. Golikov and Y. I. Starobogatov 1975
Sister taxa: Architaenioglossa, Carinomphalus, Cassianozyga, Cataldia, Cerithiacea, Cerithioidea, Coelodiscidae, Coelostylinidae, Cyclophoracea, Dendropupoidea, Dzikella, Epitonioidea, Idahospira, Loxotomella, Meekospiridae, Mesogastropoda, Neontaenioglossa, Neotaenioglossa, Orthonematoidea, Palaeostyloidea, Peruneloidea, Perunelomorpha, Pragoscutulidae, Prisconatica, Pseudomelanoidea, Soleniscoidea, Sorbeoconcha, Spanionematidae, Strobeidae, Trinema, Vanikoroidea, Ventrosia, Zygopleuroidea
Subtaxa: Orthonemidae
Ecology: epifaunal
Distribution:
• Cretaceous of Poland (1 collection)
• Jurassic of Poland (1)
• Permian of Cambodia (8), China (12), Greece (6), Japan (2), Malaysia (2), Mexico (3), Pakistan (1), the Russian Federation (10), Thailand (1), Tunisia (1), United States (37: Arizona, Nevada, New Mexico, Oklahoma, Texas, Wyoming), Venezuela (2)
• Carboniferous to Permian of China (1)
• Carboniferous of Australia (7), Belgium (1), China (1), Ireland (1), Morocco (1), Poland (3), the Russian Federation (1), the United Kingdom (9), United States (49: Illinois, Indiana, Iowa, Kansas, Kentucky, Missouri, New Mexico, Ohio, Oklahoma, Texas, West Virginia)
• Givetian of France (1)
• Devonian of China (1), United States (2: Alaska, Iowa)
Total: 165 collections including 248 occurrences