Gastropoda - Euomphalina - Omphalocirridae
Parent taxon: Euomphaloidea according to P. J. Wagner 2023
See also Bouchet et al. 2005, Golikov and Starobogatov 1975, Jeffery 2003 and Linsley and Kier 1984
Sister taxa: Anomphalidae, Elasmonematidae, Euomphalidae, Helicotomidae, Holopeidae, Kitikamispira, Lesueurillidae, Microdomatidae, Neoplatyteichum, Nettersheimia, Omphalocirrinae, Omphalotrochidae, Ornollus, Planitrochidae, Pseudophoridae, Pycnomphalidae, Rhenomphalus, Serpulospira, Tychobraheidae
Subtaxa: Liomphalus Omphalocirrus
Type: Omphalocirrus
Ecology: stationary epifaunal suspension feeder
Distribution:
• Triassic of China (1 collection), Italy (4), Peru (1), United States (2: Alaska)
• Devonian of Australia (1), Austria (4), Belgium (1), Canada (16: Manitoba, Northwest Territories), China (1), Germany (7), Kyrgyzstan (1), Poland (1), United States (13: Alaska, Michigan, Nevada, New York)
Total: 53 collections each including a single occurrence