Gastropoda - Sorbeoconcha - Cassidae
Alternative spelling: Morionella
Parent taxon: Cassis according to J.-M. Pacaud and J. Le Renard 1995
See also Sepkoski 2002
Sister taxa: Cassis (Cassis), Cassis (Hypocassis), Cassis (Sassia), Cassis altispira, Cassis avellana, Cassis birmanica, Cassis brevicostatus, Cassis carinata, Cassis cornuta, Cassis costulifera, Cassis delta, Cassis depressior, Cassis fimbriata, Cassis flammea, Cassis flintensis, Cassis floridensis, Cassis glaucoides, Cassis herklotsi, Cassis ketteri, Cassis maccormacki, Cassis madagascariensis, Cassis mamillaris, Cassis mammillaris, Cassis norai, Cassis nummulitiphila, Cassis retusa, Cassis subtuberosa, Cassis sulcifera, Cassis togata, Cassis tuberosa, Cassis vialensis, Cassidea birmanica
Subtaxa: Cassis (Morionella) verrucosa
Ecology: epifaunal carnivore
Distribution: