Dimetrodon limbatus skull cast replica #3 Smilodon Complete set of 12 casts:

Complete set of 12 casts: $300 (painted)

5 feet long and 4

John Green gives us some information about this cast and its context in Sasquatch The Apes Among Us

which makes a loud rattling noise when vibrated that deters predators or serves as a warning to passers-by

It measures approximately 43 cm (16

Dimetrodon limbatus skull cast replica #3 Smilodon Complete set of 12 casts:Dimetrodon, 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