Dimetrodon skull cast replica #1 Chordata This same footprint

This same footprint

although the term is now used more for the parent clade of the Ichthyosauria)

preserving key anatomical structures for educational or display purposes

Only the ball of the foot and toes left an impression

Dimetrodon skull cast replica #1 Chordata This same footprintDimetrodon, pronounced (die MET roh don) which means ("two measures of teeth" so named because it had a large skull with two different types of teeth; shearing teeth and sharp canine teeth, unlike reptiles. Dentition showing this differentiation of teeth is called heterodonty). Dimetrodon has a large sail which was probably used to regulate body temperature; the surface area would allow it to warm up or cool off more efficiently. Dimetrodon was not a