+Tetrapods are a superclass of [Vertebrates](/wiki/vertebrate) characterized by four limbs, a key evolutionary step from fish. This diverse group encompasses all amphibians, [Reptiles](/wiki/reptile), mammals, and birds, marking a profound transition of life onto land.
+## See also
+- [Evolution](/wiki/evolution)
+- [Amphibian](/wiki/amphibian)
+- [Mammal](/wiki/mammal)
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