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sseth

Pleistocene Sacrum ID

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sseth

So I have been going through mountains of Pleistocene material from Iowa and classifying the material by species.  I have a lot of Bison material, Deer, Elk, Stag Moose, Sloth, Beaver (Small and Giant), and much more.

 

I did come across one sacrum that I can not classify.  Not sure if it is small bison, Cervalces (Stag Moose), or large Elk.  I am sure someone here might be able to help me out.  I am much better at those pesky marine reptiles and dinos than the modern mammals.

 

 

Thanks in advance.

 

Seth

 

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FossilDudeCO

nice piece Seth!

Let's try

@Boesse

@Harry Pristis

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Boesse

No idea - terrestrial mammals are typically beyond my scope of knowledge. That being said it distinctly reminds me of ungulate sacra, not that that helps much.

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NWGeoFan

Dont think its a Bison but still I am unsure, but heres a diagram of a modern Bison Sacrum which should give a helpful comparison! 

IMG_0649.JPG

Also if you could get a photo of the top, that would be helpful.

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sseth
1 hour ago, NWGeoFan said:

Dont think its a Bison but still I am unsure, but heres a diagram of a modern Bison Sacrum which should give a helpful comparison! 

IMG_0649.JPG

Also if you could get a photo of the top, that would be helpful.

I tend to agree not bison.  My leaning is Cervalces but could be very large elk, could even be something else. 

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Osteobyte

I'm leaning toward elk because of the fused spinous processes/medial sacral crest, u-shaped superior opening of the sacral canal, and shape of the cornu?/distal lateral processes?.

But I am unfamiliar with moose.

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