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IDENTIFICATION CHALLENGE FOR BONE COLLECTORS No. 5


Harry Pristis

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Here is a group of ungual phalanges (claw cores) from FOUR different species, all Pleistocene.

A golden kudo to anyone who can correctly identify all four.

---------------Harry Pristis

post-1-1189963727_thumb.jpg

Edited by Anson

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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A. Gator

B. Bird

C. ?

D. ?

Grüße,

Daniel A. Wöhr aus Südtexas

"To the motivated go the spoils."

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Some shrewd identifications, but no golden kudo yet.

Many of you believe phalanx B. to be a bird, and it IS a bird -- an osprey claw core.  Way to go!

"Fossil" got the one (phalanx D.) that I thought would be most difficult -- a Shasta ground sloth claw core.  Nice going, Fossil!

So, here's what we have so far:

A.    ?

B.  Osprey, Pandion haleaetus

C.    ?

D.  Shasta ground sloth, Nothrotheriops texanum  (Way to go, "Fossil"!) 

Some of these ID's, such as "ebrockids," are getting closer.

Both groups A. & C. of claw cores are from taxa which are still living today. 

One (claw core A.) is from a shy critter, rarely seen and probably on the way to extinction.  It has limited distribution now in Florida, though it was more widespread in the Pleistocene.

The other (claw core B.) is from a much more prominent animal which is ubiquitous in Florida.

I've given it away now, I suppose.  :P

-------Harry Pristis

  • I found this Informative 1

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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Okay, here's the last clue.

It is possible for you to have an encounter in the Suwannee--a potentially unhappy encounter--with either of the living animals represented by fossils A. & C.  (No, not a leaping sturgeon!  :o )

I, myself, have encountered both of these living animals while scuba-diving in the Suwannee.  Memorable encounters each!

----Harry Pristis

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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Okay, Worthy! That's all of 'em.

Here are the full identifications. (These alligator snapping turtle claw cores were mis-identified in the first edition of the Kocsis book, VERTEBRATE FOSSILS: A NEOPHYTE'S GUIDE. I don't know if the error was corrected in the second edition.)

--------Harry Pristis

post-1-1189963989_thumb.jpg

  • I found this Informative 1

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

 

What seest thou else

In the dark backward and abysm of time?

---Shakespeare, The Tempest

 

Link to comment
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