Dimetrodon 1.20" Neural Spine Fragment aquaticreptile 1 (2009): 20-37

1 (2009): 20-37

replaced the original organic material

a diverse biomass that the modern Arctic tundra doesn’t approach

each order will include one Lincoln handwriting fragment selected from the dropdown menu

Dimetrodon 1.20" Neural Spine Fragment aquaticreptile 1 (2009): 20-37Rare 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 1. 20" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail