Invalid subtaxa: Euomphalopteridae Koken 1896, Poleumitidae Wenz 1938, Polytrophidae Ulrich 1897 [invalid subgroup], Polytropidae Ulrich 1897 [invalid subgroup], Schizostomatidae Bronn 1849 [invalid subgroup], Straparollinae Cossmann 1916 [invalid subgroup]
Full reference: L. G. de Koninck. 1881. Faune du calcaire carbonifère de la Belgique, 3e partie, Gastéropodes. Musée Royale d’Historie Naturelle Belgique Annales, Série Paléontoloque 6:1-170
Parent taxon: Euomphaloidea according to P. Bouchet et al. 2005
Sister taxa: Anomphalidae, Elasmonematidae, Helicotomidae, Holopeidae, Kitikamispira, Lesueurillidae, Microdomatidae, Nettersheimia, Omphalocirridae, Omphalocirrinae, Omphalotrochidae, Ornollus, Pseudophoridae, Raphistomatidae, Rhenomphalus, Serpulospira, Tychobraheidae
Subtaxa: Acanthonema, Alaionema, Amphiscapha, Anisostoma, Austerum, Biformispira, Centrifugus, Coelodiscus, Condonella, Cylicioscapha, Devonicornu, Discotropis, Eleutherospira, Elkoceras, Euomphalopsis, Euomphalopterinae, Euomphalus, Fletcherviewia, Goldfussoceras, Hippocampoides, Kiaeromphalus, Leptomphalus, Linsleyella, Nevadaspira, Nodeuomphalus, Novakopteron, Nummocalcar, Odontomariinae, Offleyotrochus, Pentagonodiscus, Phanerotinus, Planotectus, Platybasis, Pleuronotus, Poleumita, Saturnotropis, Sinistrispira, Sinutropis, Spinicharybdiinae, Straparollus, Stusakia, Tongweispira, Tychobrahea, Weeksia, Woehrmannia
Type: Euomphalus
Ecology: stationary epifaunal suspension feeder