👉 A polytrichous is a type of animal that has four legs. These legs are typically located on each side of the animal's body, with three pairs of legs and one pair of hind legs. Polytrichous animals also have two sets of wings, which are attached to the sides of their bodies. Polytrichous were once considered as a separate class of animals that lived in the Mesozoic era (about 65 million years ago) but are now recognized as part
