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Possible Eocene Dugongid: Sirenian Tusk / Incisor


sixgill pete

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I found this tooth a while back in a small private agricultural marl pit I have been hunting for a few years. It is Eocene Castle Hayne Formation in eastern North Carolina. This pit has produced roughly 26 species of Eocene sharks, including multiple Hexanchus, C. auricualtus up to 3 1/2 inches; sea snake verts, large amounts of Pristis fossils among other items. It also has yielded multiple archaeocete whale teeth and verts. 

 

I originally thought this was a small whale tooth, but it just didnt seem right to call it whale. In Oct. at the annual NCFC Fossil Fair in Hickory N.C. I had it on display. Retired Smithsonian Paleontologist Dave Bohaska said he thought it was "sea cow" He took multiple pics of it, but I am still awaiting his replies. I have been doing some research on line when I came upon this archived thread.

What do you guys think? @siteseer @Boesse

 

Adding pics in next post

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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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Pic1.thumb.jpg.d5c0adceab258bf943192441f1f28a45.jpg  Pic2.thumb.jpg.b08f5f26f7794ca3d17114771d497d9d.jpg

 

Pic3.thumb.jpg.a019fce4a02f0e0245fa5488ec046235.jpg  pic4.thumb.jpg.5e106afa72fa03d602c3ddf1c446a022.jpg

 

pic5.thumb.jpg.6b6502cd54ad27189b7e03f0e7bd63bb.jpg

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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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Don't know what it is, but it's marvelous (as Billy Crystal would say).

 

Don C

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A little more info .... the pit this was found in is roughly 10 miles as the crow flies from the old North Carolina Lime Company Quarry in Jones County where multiple Sirenian fossils were recovered and published on.

 

North American Eocene Sea Cows (Mammalia:Sirenia) 

Daryl P. Downing, Gary S. Morgan and Clayton E. Ray.

 

Smithsonian Contributions To Paleobiology, No.52 

1982

Edited by sixgill pete

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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I actually think this is from a small cetacean. Chrysocetus has canines/p1 that look like this.

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@Boesse Bobby, thanks for taking a look at this. Will do a little more research on Chrysocetus. You have seen some of the other teeth from this pit, it is different. 

Hope your doing well. 

Edited by sixgill pete

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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