Dissorophoidea

fossil amphibian superfamily

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In amphibian: Annotated classification
†Superfamily Dissorophoidea (dissorophoids)Middle Pennsylvanian to Lower Triassic. Vertebrae strongly ossified; dorsal surface often with bony armor.†Family Trematopidae (trematopids)Upper Pennsylvanian to Lower Permian. Vertebrae weakly ossified, large intercentrum.†Family
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