20.2" Full Dorsal Dimetrodon Vertebra - Spine Sail iceage What ultimately did in the

What ultimately did in the creatures was a snowball of circumstances

JURASSIC TREE

which together form the green gem

Please Note: This item is in very short supply and it is uncertain whether we shall have it again once it is sold out

20.2" Full Dorsal Dimetrodon Vertebra - Spine Sail iceage What ultimately did in theONE OF A KIND PERMIAN MATERIAL! With a fearsome jaw and reptilian appearance, Dimetrodon is often mistaken for a dinosaur. However, this family of Early Permian Age species falls into a disparate taxonomic clade known as synapsids which includes mammals. This specimen is a one of a kind, 20. 2", full dorsal Dimetrodon fossil vertebra. The purpose of the spine sail is unknown, though speculation ranges from thermoregulation to sexual dimorphism, and