Subphylum Vertebrata


Comprising all chordate animals with a vertebral column, a skull, a skeleton of cartilage and/or bone. Furthermore, vertebrates are characterized by thepresence of a skin consisting of an epidermis and a dermis, and the possession of a specialized heart, kidney, liver, and pancreas.
Vertebrates comprise the most conspicuous animals on earth, among which the largest living organism, the Blue Whale.