Not all members of Chordata are "vertebrates"
Subphylum Vertebrata
Class Agnatha - lamprey ("no jaws")
Class Chondrichthyes - sharks and rays (fish with cartilagenous
skeleton)
Class Osteichthyes - fish with skeleton of bone
Class Amphibia - frogs, toads, and salamanders
Class Reptilia - lizards, snakes, crocodiles, turtles
Class Aves - birds
Class Mammalia - animals with hair and mammary glands
Lab pictures other images