Dimetrodon Permian Weirdo poster Pteros Kosmoceras is an ammonite that

Kosmoceras is an ammonite that lived in the Jurassic Period of what is now Europe

The grand marshal Dimetrodon is leading his pals in a procession straight through the Permian Period

XS S M L XL 2XL Body Length (inches) 26 27 28 29 30 31 Body Width (inches) 16 ¼ 18 ¼ 20 ¼ 22 ¼ 24 ¼ 26 ¼

Design by Joschua Knüppe

Dimetrodon Permian Weirdo poster Pteros Kosmoceras is an ammonite thatDimetrodon is one of the most iconic of all prehistoric animals. It was a non mammalian synapsid that lived in the Permian Period. Many of its fossils have been found in the southwestern USA, as well as Canada and Germany. Its sail was very likely used in courtship display. 10 mil (0. 25 mm) thick Slightly glossy Fingerprint resistant