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smorg

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Hello, 

I am curious about this piece of what i think may be a jaw fragment. Found on James River in Virginia within Yorktown Formation.

There appears to be one intact tooth and a portion of an adjacent tooth that has broken, leaving a cavity. 

 

Measures approx 2 x 1.5 x 1 cm. (The background grid is in centimeters)

Appreciate any/all feedback. 

Thanks!!

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3 hours ago, Harry Pristis said:

"Sawfish rostrum"

That would explain the little pocket as an expanded root that has been sectioned. 

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Wow thanks for the feedback! Do you mind elaborating on your “expanded root” theory? Could it be result of injury or wear while the animal was living? 
 

Wahoo also seems like a good candidate from the examples I’ve been perusing. 
 

 

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The texture is wrong for a sawfish rostrum.  I would expect to see some evidence of the cartilage pattern.  Looks bony fish to me.  Wahoo seems possible.

 

Marco Sr.

"Any day that you can fossil hunt is a great day."

My family fossil website     Some Of My Shark, Ray, Fish And Other Micros     My Extant Shark Jaw Collection

image.png.9a941d70fb26446297dbc9dae7bae7ed.png image.png.41c8380882dac648c6131b5bc1377249.png

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Miocene/Pliocene fossil wahoo jaws get pretty big in Virginia.  The partial wahoo jaw in the top of my Riker display (contains bony fish Miiocene fossils from Virginia) in the picture below is 6 1/2".  Pieces of wahoo jaws are fairly common in the Miocene/Pliocene of Virginia.  Also below is another partial Miocene wahoo jaw from Maryland which is in the Calvert Marine Museum collection.

 

 

1108784123_Display4MioceneVirginiabonyfishspecimens16X12.thumb.jpg.a938ef8716b033e16686c71567a50e02.jpg

 

 

 

wahoo.thumb.jpeg.4eb80ac282aae559196bfcdb815fcc6b.jpeg

 

 

Marco Sr.

  • I found this Informative 1

"Any day that you can fossil hunt is a great day."

My family fossil website     Some Of My Shark, Ray, Fish And Other Micros     My Extant Shark Jaw Collection

image.png.9a941d70fb26446297dbc9dae7bae7ed.png image.png.41c8380882dac648c6131b5bc1377249.png

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There does seem to be a similar disarray to the teeth in this example as seen in the post. 

Like "some waa hoo" had lain them out.  :)

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