Glossaryamphibian (am·phib·i·an)
Amphibian (noun)
1. A cold-blooded, smooth-skinned vertebrate of the class Amphibia, such as a frog or salamander, that characteristically hatches as an aquatic larva with gills. The larva then transforms into an adult having air-breathing lungs.
2. An animal capable of living both on land and in water.
3. An aircraft that can take off and land on either land or water.
4. A tracked or wheeled vehicle that can operate both on land and in water
Different kind of Amphibans and Reptileshttp://www.astronomers.net/ga6-reptiles/amphiban-reptile-orders-poster.htm