Dimetrodon SOLD 0.70" Neural Spine Fragment rockinaboxcoprolite These reefs were like undersea

These reefs were like undersea forests

This specimen is a polished slab of Atlasaurus bone

RAPTOR (DROMAEOSAURID BONE)

including the Permian–Triassic "Great Dying" which wiped out 96% of all marine species

Dimetrodon SOLD 0.70" Neural Spine Fragment rockinaboxcoprolite These reefs were like underseaRare Permian Material! If all fossils are out of stock, sign up for email notifications as we do expect to get more over time. 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 0. 70" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail