where living amphibians evolved is not clear - modern (living) amphibians appeared in Triassic. Three primary orders of Amphibia within the Subclass Lissamphibia. Caudata
The three modern orders of amphibians are Anura (the frogs and toads), Urodela (the salamanders), and
Today amphibians are represented by frogs and toads ( order Anura), newts and
All living species of amphibians fall into the third subclass, Lissamphibia.
The typical life cycle of amphibians is a larval stage that lasts a few months, followed by a brief metamorphic period ...
There are about 6,200 known species of living amphibians. They are classified into three orders: frogs and toads, salamanders and newts, and ...
The term Lissamphibia is applied to the three living orders—Urodela, Anura, and ...
Early workers on amphibian systematics repeatedly rejected the
In order for water-dwelling animals to adapt to life on land, many new
The hepatocyte-sinusoidal structures of the amphibian livers were classified