0 amphibians (= animals that live both on land and in water but must produce their eggs in water) as a group: --
The naturalist Jan Swammerdam discovered the glands in Amphibia named after him.
The corpuscles of birds, amphibia and fish are flattened, elliptical plates.
Typical aquatic vertebrates, including most fishes, amphibia and reptiles, use lateral (side-to-side) undulations for propulsion.