†family Ephippelasmatidae Rowell 1965 (lamp shell)
PaleoDB taxon number: 87278
Parent taxon: Acrotretoidea according to J. Hansen and L. E. Holmer 2011
Sister taxa: Acrothyra, Acrotretidae, Ceratretidae, Craniotreta, Curticiidae, Eoconulidae, Hadrotreta, Scaphelasmatidae, Schizotretoides, Torynelasmatidae, Acrotetidae
Subtaxa: Akmolina, Ephippelasma, Lurgiticoma, Mamatia, Myotreta, Numericoma, Pomeraniotreta, Rhinotreta, Veliseptum
Ecology: stationary epifaunal suspension feeder