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sharko69

Big tooth Cow or Bison?

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sharko69

Found this huge tooth today in a Texas creek. Not sure if cow or first bison. The tooth is very large compared to the cow teeth and jaws I have. The enamel is over 50mm in length. Thanks for any help. It is a pretty tooth whatever it is.

IMG_2038.JPG

IMG_2040.JPG

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Harry Pristis

The significant measurements are the length and width of the crown, not the crown height.  It's definitely bovid, cow or bison -- an m3.  If I had to guess without the important measurement, I'd say cow.  Compare to this:

 

 

bison_bos_m3.JPG

bison_bos_m3_B.JPG

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doushantuo

Bos taurus dentition:

taurdeserter-1917.jpg

Occlusal wear with ontogeny(note typical edge erosion): 

taurderter-1917.jpg

 

sulcoreteolam.jpg

 

last one: serial sections,lower jaw m3,4 months old calf

 

 

 

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doushantuo

table 8:

Teeth-anlagen,several ontogenetic stages,male

 

bostanting-17-638.jpg

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