6.5" Subhyracodon Rhino Fossil Jaw Teeth Oligocene Epoch South Dakota Badlands Sauropod Prognathodon was a late Mosasaur

Prognathodon was a late Mosasaur that showed a trend towards a different kind of predation that saw it living like the much earlier basal placodont reptiles of the Triassic

with notable pale blue crystal deposits originating from Madagascar

These fossils often preserve exceptional details

If it were alive today

6.5" Subhyracodon Rhino Fossil Jaw Teeth Oligocene Epoch South Dakota Badlands Sauropod Prognathodon was a late MosasaurLocation: South Dakota, White River Formation, Pennington County Weight: 10. 1 Ounces Dimensions: 6. 5 Inches Long, 2. 2 Inches Wide, 1. 1 Inches Thick (Matrix) Item Pictured Is The One You Will Recieve. 34 23 Million Years Old Oligocene Period Subhyracodon is a genus of mammal that lived during the Oligocene epoch, about 34 to 23 million years ago. It was a member of the order Condylarthra and the family Hyracodontidae. Subhyracodon was a herbivore