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Classes of the subphylum vertebrata

class Agantha without jaws
class Mammalia posses six characteristics of chordates
class Aves birds
class Reptilia reptiles
class Amphibia frogs, toads
class Osteichthyes bony fish
class Chondrichthyes sharks, rays, skates
class Mammalia has mammory glands
class Aves has feathers
class Reptilia has dry scales all over body
class Amphibia goes through metamorphosis
class Osteichthyes has 21,000 - 23,000 spp.
class Chondrichthyes has >1,000 spp.
class Agantha lamprey, hagfish
Created by: Geeked_Up