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Thick Enchodus Palatine NJ stream


Fishinfossil

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1 hour ago, M Harvey said:

Looks reptilian to me.  My vote is for a very eroded mosasaur jugal.

The broken surfaces and overall shape run counter to a mosasaur jugal.

 

29 minutes ago, Harry Pristis said:

Is the jugal represented by the prominence at "F"?

 

Capture+_2021-09-28-14-30-58~3.png

The jugal defines the lower portion of the eye orbit.  (Noted as "j" on Russell's diagram in Systematics and Morphology of American Mosasaurs.)

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pachy-pleuro-whatnot-odon

I also don't see a mosasaur jugal in this...

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It's Enchodus. You can see the scars on your fossil from the replaced fangs as the fish grew. Here is a photo of another example showing these scars from "The Oceans of Kansas" website.

 

 

enchodus.JPG

oceans of kansas.JPG

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