Bizarre Edestus Shark Tooth In Jaw Section - Carboniferous

 
This

An artists reconstruction of Edestus. By Dmitry Bogdanov
is a very unusual and hard to acquire offering of a fossil tooth and jaw section from the Carboniferous aged shark Edestus heinrichi. These rare teeth are recovered deep underground in the coal mines of Illinois. The tooth is in excellent condition with shiny grey enamel, well defined serrations and a nice tip. Most of these teeth are found broken or worn.

Edestus was a was a very unusual shark that is only known from it's teeth and jaw sections. It's estimated they could reach 20 feet in length, about the same size as a modern great white. Like it's other relatives like Helicoprion it did not shed it's teeth as they became worn. This caused the jaws to become elongated and resemble a monstrous pair of shears. It's unclear how these sharks would have caught and ate their prey with this jaw configuration.
DETAILS
SPECIES
Edestus heinrichi
LOCATION
Coulterville, Illinois
SIZE
Jaw section 4" long
ITEM
#31716
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