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Help To Identify Jaw Bone


North Guy

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Hello. My daughter and I just returned home from our trip to the Holmdel area for some shark tooth hunting and we need your help. We found this jaw bone(s) and have no idea what it is from. It looks like there are tusks, which have broken off, at the the front of the jaw. I'm thinking this the lower jaw and there is an area at the front where these two pieces may have been attached (I tried to show that in the third picture), but that would have made for a very narrow chin. I've added a few pictures so please let me know if you have questions that will help you identify the jaw bone. Thank you

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Rodent, for sure; very like a squirrel, but it seems too large.

"There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant

“Try to learn something about everything and everything about something.” - Thomas Henry Huxley

>Paleontology is an evolving science.

>May your wonders never cease!

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Not a fossil though

" We're all puppets, I'm just a puppet who can see the strings. "

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  • 1 month later...

Those are Rodent

Im thinking Muskrat or Groundhog, they are too large for Ground Squirrel. I wanted to say Rat or Rabbit but the back teeth sructure is different.

I have one that I collected same shape and everything just different back teeth, mine are leaf shapped and I know that it Rodent. If you want check to see if the replacement teeth are still inside the jaw (ONLY IF YOU ARE COMFTERABLE WITH IT, MINE ALREADY HAD IT ROTTING AWAY DONT RUIN SPECIMENS)

Still nice specimen to learn about the A&P of Rodents.

PUBLICATIONS

Dallas Paleontology Society Occasional Papers Vol. 9 2011

"Pennsylvanian Stratigraphy and Paleoecology of Outcrops in Jacksboro, Texas"

Author

Texas Paleontology Society Feb, 2011

"Index Fossils and You" A primer on how to utilize fossils to assist in relative age dating strata"

Author

Quotes

"Beer, Bacon, and Bivalves!"

"Say NO to illegal fossil buying / selling"

"They belong in a museum."

Education

Associates of Science - 2011

Bachelors of Science (Geology & Biology) - 2012 est.

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very definetly rodent lower jaws. The "tusks" are its incisors... its gnawing teeth. All rodents have them.

Now do they have replacement incisors in their jawbone?

PUBLICATIONS

Dallas Paleontology Society Occasional Papers Vol. 9 2011

"Pennsylvanian Stratigraphy and Paleoecology of Outcrops in Jacksboro, Texas"

Author

Texas Paleontology Society Feb, 2011

"Index Fossils and You" A primer on how to utilize fossils to assist in relative age dating strata"

Author

Quotes

"Beer, Bacon, and Bivalves!"

"Say NO to illegal fossil buying / selling"

"They belong in a museum."

Education

Associates of Science - 2011

Bachelors of Science (Geology & Biology) - 2012 est.

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Now do they have replacement incisors in their jawbone?

A rodent's incisors grow continuously, throughout their very toothy lives.

"There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant

“Try to learn something about everything and everything about something.” - Thomas Henry Huxley

>Paleontology is an evolving science.

>May your wonders never cease!

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A rodent's incisors grow continuously, throughout their very toothy lives.

Gotcha!

just thought I had a really odd rodent

PUBLICATIONS

Dallas Paleontology Society Occasional Papers Vol. 9 2011

"Pennsylvanian Stratigraphy and Paleoecology of Outcrops in Jacksboro, Texas"

Author

Texas Paleontology Society Feb, 2011

"Index Fossils and You" A primer on how to utilize fossils to assist in relative age dating strata"

Author

Quotes

"Beer, Bacon, and Bivalves!"

"Say NO to illegal fossil buying / selling"

"They belong in a museum."

Education

Associates of Science - 2011

Bachelors of Science (Geology & Biology) - 2012 est.

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Hey folks,

not sure if anyone is reading this.

I am sorry to say that I have misdiagnoised my last statment about the jaw bone I was compairing to the ones presented. I contacted my local veternarian and got it reconfirmed that it was not traditional rodent but it was either determined to be that of either a possum or a juvinile feline, proably a stray. So once again I am sorry for possibly leading in the wrong way.

PUBLICATIONS

Dallas Paleontology Society Occasional Papers Vol. 9 2011

"Pennsylvanian Stratigraphy and Paleoecology of Outcrops in Jacksboro, Texas"

Author

Texas Paleontology Society Feb, 2011

"Index Fossils and You" A primer on how to utilize fossils to assist in relative age dating strata"

Author

Quotes

"Beer, Bacon, and Bivalves!"

"Say NO to illegal fossil buying / selling"

"They belong in a museum."

Education

Associates of Science - 2011

Bachelors of Science (Geology & Biology) - 2012 est.

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  • 5 weeks later...

I believe it might be a Woodchuck aka Groundhog Jawbone. Looks a lot like a squirrel but a little larger and the Molars look to be a dead ringer. By the way, welcome to the Forum.

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"A journey of a thousand miles begins with a single step." - Confucius

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Hey folks,

not sure if anyone is reading this.

I am sorry to say that I have misdiagnoised my last statment about the jaw bone I was compairing to the ones presented. I contacted my local veternarian and got it reconfirmed that it was not traditional rodent but it was either determined to be that of either a possum or a juvinile feline, proably a stray. So once again I am sorry for possibly leading in the wrong way.

Your local vet couldn't tell the different between opossum and feline dentition??? Might want to take your pet to another vet...

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Hahahhaha, vets these days...

" We're all puppets, I'm just a puppet who can see the strings. "

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  • 4 years later...

Hey folks,

not sure if anyone is reading this.

I am sorry to say that I have misdiagnoised my last statment about the jaw bone I was compairing to the ones presented. I contacted my local veternarian and got it reconfirmed that it was not traditional rodent but it was either determined to be that of either a possum or a juvinile feline, proably a stray. So once again I am sorry for possibly leading in the wrong way.

Your local vet couldn't tell the different between opossum and feline dentition??? Might want to take your pet to another vet...

Worse than that --That veterinarian can not tell the difference between a felon and a rodent-- Who is chasing Who?

Definitely need a new vet.!

Darwin said: " Man sprang from monkeys."

Will Rogers said: " Some of them didn't spring far enough."

 

My Fossil collection - My Mineral collection

My favorite thread on TFF.

 

 

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