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lissamphibian
amphibian subclass
Also known as: Lissamphibia
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amphibians
- In amphibian
…three orders make up subclass Lissamphibia. Neither the lissamphibians nor any of the extinct groups of amphibians were the ancestors of the group of tetrapods that gave rise to reptiles. Though some aspects of the biology and anatomy of the various amphibian groups might demonstrate features possessed by reptilian ancestors,…
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annotated classification
- In amphibian: Annotated classification
(dissorophids)Subclass Lissamphibia (lissamphibians)Lower Triassic to present. Skull without roofing bones behind parietal; teeth pedicellate; and monospondylous vertebrae.Clade Gymnophiona Order Gymnophiona (caecilians)Early Jurassic to present. Compact skull for burrowing with many
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