👉 Myzostomida is a group of small, arboreal vertebrates that includes various species such as myzostomes, which are known for their robust limbs and large brains. These animals are primarily found in North America and Europe and are characterized by their elongated bodies and their ability to use their feet for climbing and grasping. Myzostomidae is a family of arboreal vertebrates that includes various species such as myzostomes, which are known for their robust