Are sharks Actinopterygii?
Members of the class Chondrichthyes are jawed, cartilaginous fish that include around 950 species of sharks, rays, and a less well-known group called chimaeras or ratfish. The class Actinopterygii includes over 20,000 species of bony, ray-finned fish.Aug 17, 2016
Members of the class Chondrichthyes are jawed, cartilaginous fish that include around 950 species of sharks, rays, and a less well-known group called chimaeras or ratfish. The class Actinopterygii includes over 20,000 species of bony, ray-finned fish.Aug 17, 2016
