Amphibia
class of tetrapods, whose living forms include frogs, toads, salamanders, newts and caecilians
poisonous amphibian
amphibians that produce poison
tadpole
larva of amphibians
frog
informal grouping of amphibians
toad
type of frog
class of tetrapods, whose living forms include frogs, toads, salamanders, newts and caecilians