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Seems rather large for a horse (to me) and I'm wondering if it might be something else. @Harry Pristis

 

 

Cheers.

 

-Ken

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Probably bison humerus

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dbrake40
53 minutes ago, digit said:

Seems rather large for a horse (to me) and I'm wondering if it might be something else. @Harry Pristis

 

 

Cheers.

 

-Ken

Yeah - hard to tell for me with the proximal end damage. Could be cow/bison. I figured someone here would have an eye for it!

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Thomas.Dodson

I concur with Bison. It's too stout for horse.

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10313horn

the supracondylar fossa on the distal humerus of cow seems much deeper than in his fossil

Horse-Equus-caballus-left-humerus-lateral-FLMNH-6684.jpg

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Harry Pristis

For further comparison:

 

 

cow_humerus.JPG

horse_equus_humerus.JPG

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dbrake40

The more I compare the more I am leaning toward horse due to the distal end morphology.

humerus1.jpg.e3bdc964dcc30acf301ad217155052da.jpg76a7b7b0a1c74f74c8e9c54f2ac96f89.jpg.3c280262299f37a726f2ac3a30349a97.jpgdownload.png.eabeefe9f982de04734cec5a71796c52.png

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Thomas.Dodson

I'm thinking horse now too. I think the deltoid tuberosity is more extended in your specimen like @Harry Pristis highlighted.

 

I ran and took some photos of one of the random Bison humerus I have lying around for comparison. Naturally they're more bovid like in the subdued deltoid tuberosity. Different humerus but you get the idea.

 

 

Humerus 1.png

Humerus 2.png

humerus 3.png

Humerus 4.png

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