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jawless fishes
They are members of cartilaginous class of fish.
They are members of cartilaginous class of fish.
Bony fishHag fishLamprey(both of these are known as the jawless fish)Sharks and rays(both of these are known as cartilaginous fish)Lob-finned fishThis is a very simplified classification of something that is very complex. To see the full tree, try WikiSpieces.
They have cartilage instead of bones for a skeleton. Chondo- means cartilage.
Cartilaginous Fishes
bony fishes
Cartilaginous fish.
bony fishes
Lampreys are in the superclass Agnatha, jawless fish. They are of the class Cyclostomata, which includes hagfish, as opposed to the extinct Ostracoderms.
They are members of cartilaginous class of fish.
There is no phylum Aves: Aves is a Class. Birds are the only members of the class Aves.