Dimetrodon SOLD 1.37" Neural Spine Fragment plants Since then

Since then

Above: Back of specimen card

Although the Gastornis’ 9 inch (22 cm) long beak may call to mind the terror birds of Cenozoic South America

their organic material is slowly replaced with colorful minerals

Dimetrodon SOLD 1.37" Neural Spine Fragment plants Since thenRare 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. 37" fossil fragment of the Dimetrodon's iconic spine. The purpose of the spine sail