Figure 1From: Evolution of the vertebrate skeleton: morphology, embryology, and development Distribution of endoskeletons (endo) and exoskeletons (exo) in the vertebrate body. (A) Osteostracan Cephalaspis (redrawn from [13]). (B) Basal jawed vertebrate Compagopiscis (redrawn from [14]). (C) Temnospondyl tetrapod Dendrerpeton (redrawn from [15]).Back to article page