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Any Id On These?


worthy 55

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Here are a few odds and ends from our last dive outing. Can anyone give me an idea on what these are? I have been keeping these

bones to see if you all could help ID them. All the bones came out of the Santa Fe river in Fla.

Thanks

post-23-1255368434585_thumb.jpg

post-23-12553684580086_thumb.jpg

post-23-12553684978443_thumb.jpg

post-23-12553685397311_thumb.jpg

post-23-12553686091347_thumb.jpg

post-23-12553686606322_thumb.jpg

post-23-12553687611854_thumb.jpg

Edited by worthy 55

It's my bone!!!

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Here are a few more. :) Thanks

The lozenge-shaped bone could be a sesamoid bone. Sesamoids typically have just one articular face -- a patella is an example. Is that the case with your specimen?

The femur appears to be from a dwarf cheetah, Acinonyx minimus. Very rare.

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Just kidding about the femur. These are difficult IDs from images like this. The diagnostic features are the length, the distal morphology, and the proximal morphology. Subtle differences to the inexperienced eye (like mine).

http://pristis.wix.com/the-demijohn-page

 

What seest thou else

In the dark backward and abysm of time?

---Shakespeare, The Tempest

 

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The lozenge-shaped bone could be a sesamoid bone. Sesamoids typically have just one articular face -- a patella is an example. Is that the case with your specimen?

The femur appears to be from a dwarf cheetah, Acinonyx minimus. Very rare.

.

.

.

.

.

Just kidding about the femur. These are difficult IDs from images like this. The diagnostic features are the length, the distal morphology, and the proximal morphology. Subtle differences to the inexperienced eye (like mine).

Yes, it only has one articular face if this is the one that you are talking about? B)B)B):)

post-23-12554531215607_thumb.jpg

post-23-12554531401443_thumb.jpg

It's my bone!!!

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The first bone looks to be a soft shelled turtle element. The second bone is a patella, look at camel/llama and tapir. The third bone is a sloth medial phalanx. In the second post, the first bone looks to be fish. As Harry said, the second bone is virtually impossible to ID from pictures.

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Nate, where can I find a picture of a complete sloth medial phalanx? Thanks for the ID help. B)B)B):)

Edited by worthy 55

It's my bone!!!

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Maybe these pic will help you a little . :unsure:

IMHO, the femur could be this (with allowance for light erosion of the ends):

post-423-12554601727314_thumb.jpg

"There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant

“Try to learn something about everything and everything about something.” - Thomas Henry Huxley

>Paleontology is an evolving science.

>May your wonders never cease!

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IMHO, the femur could be this (with allowance for light erosion of the ends):

post-423-12554601727314_thumb.jpg

Chas, here are a few more pictures. B)B)B):)

post-23-12554623215592_thumb.jpg

post-23-12554623395833_thumb.jpg

post-23-12554623584485_thumb.jpg

It's my bone!!!

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sloth, thats a cool find.

" We're all puppets, I'm just a puppet who can see the strings. "

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Chas, here are a few more pictures. :)

With regard to your femur, a lateral view of the bone could help. The shaft of a canid femur is curved, bowed backward slightly; the shaft of a cat femur is gun-barrel straight.

http://pristis.wix.com/the-demijohn-page

 

What seest thou else

In the dark backward and abysm of time?

---Shakespeare, The Tempest

 

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