Megalonyx jeffersonii, sloth brain endocast Dilophosaurus Petrified wood is the name

Petrified wood is the name given to wood that has been turned into stone (fossilized) through the process of permineralization

or sexual display and species recognition

Each tooth comes in a nice collectors case with information card

short-necked plesiosaur that lived during the middle to late Jurassic period

Megalonyx jeffersonii, sloth brain endocast Dilophosaurus Petrified wood is the nameThis is an endocranial cast of the brain of Megalonys jefferson an extinct North American ground sloth. Megalonyx jeffersonii became the official State Fossil of West Virginia in March, 2008 thanks to the efforts of Ray & Mary Ellen Garton, Robert Pyle, Hassan Amjad, Dave Phillips, Mike Burdiss, Roman Prezioso. Shipping Included