Oriostomatidae
Introduction '''''Oriostomatidae''''' is an extinct taxonomic family of fossil sea snails, marine gastropod mollusks in the clade Neritimorpha.
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