†subfamily Tachylasmatinae Grabau 1928 (horn coral)
Anthozoa - Stauriida - Polycoeliidae
Parent taxon: Polycoeliidae according to D. Hill 1956
Sister taxa: Calophyllum, Endotheciinae, Fedorowskites, Maichelasma, Pentamplexus, Polycoeliinae, Prosmiliinae, Sochkineophyllum
Subtaxa: none
Ecology: stationary epifaunal suspension feeder
Distribution: there are no occurrences of Tachylasmatinae in the database