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lepospondyl
fossil amphibian
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annotated classification
- In amphibian: Annotated classification
…extinct orders within the superorder Lepospondyli, and Temnospondylia and Lissamphibia are listed as separate subclasses. Groups indicated by a dagger (†) are known only from fossils.
Read More - In amphibian: Annotated classification
†Superorder Lepospondyli (lepospondylians)†Order Adelospondyli (adelospondylians)†Order Aistopoda(aistopodans)Upper Mississippian to Lower Permian. Lepospondylous vertebrae; elongate body with reduced or no limbs; and forked single-headed ribs.
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