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Amphibian

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Amphibia
Temporal range: Late Devonian–Holocene
Prehistoric-amphibians-12622.jpg
Some prehistorc amphibians
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Gray, 1825
Subgroups

Prehistoric amphibians are various amphibians that lived before recorded history. The earliest forms date back to at least 350 million years (Carboniferous period). Originally, ancestors were fish-like with fins that looked like legs. Eventually these fins turned into functional legs and they made the transition to land living animals.

During the Carboniferous and early Permian, many types of prehistoric amphibians flourished; these belonged to the two ancient, extinct, subclasses Labyrinthodontia and Lepospondyli. Modern amphibians (Subclass Lissamphibia) first evolved during the Triassic and Jurassic. The following is a list of prehistoric anphibians

First ones are Ichthyostega and Ancanthostega. Balanerpeton Dendrepeton Subclass Labyrinthodontia (paraphyletic)

Aphaneramma Archegosaurus Cacops Crassigyrinus Eryops Gerrothorax Greererpeton Koolasuchus Mastodonsaurus Metoposaurus Paracyclotosaurus Peltobatrachus Platyhystrix Proterogyrinus Subclass Lepospondyli

Diplocaulus Keraterpeton Microbrachis Ophiderpeton Pantylus Phlegethontia Subclass Lissamphibia (includes recent amphibians as well)

Eocaecilia Karaurus Triadobatrachus Vieraella Palaeobatrachus

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