Large Serrated Tyrannosaurus rex Tooth In Jaw Fragment Dimetrodon Remains of many species are

Remains of many species are known from North America

Schlaikjer

It is found in southwestern Wyoming in the world famous Green River Formation fossil beds

Koskinonodon perfectus was a Temnospondyli amphibian from the Late Triassic of North America

Large Serrated Tyrannosaurus rex Tooth In Jaw Fragment Dimetrodon Remains of many species areAnother great T. rex tooth. This one is large and shows the serrations and includes part of the root structure and a section of the jawbone. A wonderful display piece that stands freely on a flat base. Specs: Tyrannosaurus rex. Late Cretaceous (70 m. y. a.). North America. Shipping Included