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Unknown for me from Calvert Maryland


snakebite6769

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Can someone possibly clue me in on what this tiny bone is? It looks like it has a tooth attached or something of the likes...thanks in advanceBB968F77-83BE-42CC-AF81-D9EB603C5797.thumb.jpeg.7ddde4387b3eb09e19753dcf524e4a66.jpeg

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For some reason this gives me a "rodent" feeling.  I don't know what that thing on it is.

 

World's smallest Mammoth jaw. Although the name "Mammoth" is definately  a misnomer in this case. :ighappy:

 

 

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8 hours ago, caldigger said:

For some reason this gives me a "rodent" feeling.  I don't know what that thing on it is.

 

World's smallest Mammoth jaw. Although the name "Mammoth" is definately  a misnomer in this case. :ighappy:

The thing on it is an actual piece of it. It reminded me of a tiny mammoth tooth as well when I found it. 

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Looks like a pharyngeal jaw from a fish with a tooth plate attached. These jaws are located in the throat of many fish. @Metopocetus may have an idea about that.

Some clearer pictures from multiple angles would definitely help.

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Can you give us accurate measurements on the bone? Our European members have no idea of the size of a U.S. nickel. 

Please read some of the pinned topics on how to get your item identified.

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Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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Definitely a fish jaw. Not certain if an oral jaw or pharyngeal jaw element. The spongy bit is actually a tooth plate. The holes would hold small round teeth. 

 

A classic example from the Calvert region is at : https://www.dmme.virginia.gov/commercedocs/PUB_152.pdf

See page 97, specimens C1 & C2 for examples of this spongy surface. This figured specimens are not from the same animal or position, but clearly show the same type of dental surface.

 

 

 

 

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