batoidei(n = noun.animal) order batoidei, order rajiformes, rajiformes - fish with dorsoventrally flattened bodies; includes: rays; skates; guitarfishes; sawfishes;
is a kind of animal order
is a member of elasmobranchii, selachii, subclass elasmobranchii, subclass selachii
The division of fishes which includes the rays and skates. [1913 Webster]