👉 Clypeus is a term used in the field of biology, specifically in the study of vertebrates. It refers to a group of animals that are characterized by having two eyes and typically have four limbs. These animals belong to the phylum Chordata, which includes fish, mammals, birds, reptiles, and amphibians. Cylpeus is often used to describe these animals because they have a unique body shape with three pairs of opposable thumbs (the "clypes