Amphibia1

Class Amphibia is the first tetrapoda class which includes extinct and modern day Amphibians. Moist, slimy and glandular skin in modern Amphibians, small homodont teeth, 3 chambered heart. Stegocephalia subclass includes Stem Amphibian like Eryops and other. It includes 3 Extinct order which are regarded as ancestors to modern day Amphibians.

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