The oldest fossil of one of these creatures is Tri
The oldest fossil of one of these creatures is Triadobatrachus, dated to the Early Triassic, but the oldest modern-looking one is Sanyanlichan, which comes from the early Cretaceous. Species of these creatures commonly kept as pets include the African (*) Clawed variety. The Amazon is home to venomous species known as "poison dart [these]". Between the tongue of these creatures are two slits, which allow air to flow into the vocal sac, which these creatures use to make their mating call. These creatures undergo a metamorphosis where they develop lungs and grow limbs. For ten points, name these amphibians that begin life as tadpoles.
The oldest fossil of one of these creatures is Triadobatrachus, dated to the Early Triassic, but the oldest modern-looking one is Sanyanlichan, which comes from the early Cretaceous.
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