Oriostomatidae is an extinct family of fossil sea snails, marine gastropod molluscs.
Genera Genera within the family Oriostomatidae include: Australonema Beraunia Didymalgia Dormella Gemininodoa Hecatastoma Omphalonema Oriomphalus Oriostoma Tophicola Tubogyra
References
Koken, E. (1896). Die Gastropoden der Trias um Hallstadt. Jahrbuch der Kaiserlich-Königlichen Geologischen Reichsanstalt. 46(1): 37−126 Paleobiology database info