| regnum = Animalia | phylum = Chordata | classis = Chondrichthyes | subclassis = Elasmobranchii | superordo = Batoidea | subdivision_ranks = Orders | subdivision = Rajiformes - common rays and skates Pristiformes - sawfishes Torpediniformes - electric rays }} Batoidea's a superorder of cartilaginous fish containing more than 500 described species in thirteen families. They're commonly known as rays, but that term's also used specifically for batoids in the order Rajiformes, the "true rays". Ba… (More on Batoidea)