ONCHOPRISTIS (GIANT SAWSKATE) FOSSILS FOR SALE

Onchopristis, or “giant saw”, is a genus of extinct giant sawskate that lived during the Upper Cretaceous. It had a long, shovel-shaped snout called a rostrum. The saw-like rostrum, lined on both sides with modified tooth-like structures called denticles, were hooked and barbed. This intimidating rostrum which could reach lengths of 2 meters would have been used to unearth crustaceans at the bottom of shallow waters, similar to modern day sawfish.

Fossil rostral barbs are frequently in the Kem Kem Beds of Eastern Morocco where Onchopristis occupied the same habitat as the fearsome Spinosaurus. It almost certainly made up a primary food source of this semi-aquatic, theropod dinosaur.
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16 Items ($150 to $150)