†family Stereolasmatidae Fomichev 1953 (horn coral)
Anthozoa - Stauriida - Stereolasmatidae
Parent taxon: Stereolasmatina according to D. Hill 1981
Sister taxa: Antiphyllidae, Hapsiphyllidae, Zaphrentoididae
Subtaxa: Amplexiphyllum Lopholasma Saleelasma Stereolasma Stewartophyllum
Ecology: stationary epifaunal suspension feeder
Distribution: