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Hell Creek - Scales, Scutes, Skin?


abctriplets

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So I'm working my way through my tiny fossils, collected in the Hell Creek Formation in Montana.

These are gar scales, right? They are quite blue!  Is there a species name, or just "gar"?

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And this next set I'm not too sure of. Some sort of skin/scale/scutes? The third is quite more spiky, and the fourth is much more smooth than the other two.

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The 2nd and 3rd here I think are scutes? From crocodile? And what's in the first container?

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And finally, some misc. items. The 1st I think is a turtle rib (shown from inside the shell?) And the 2nd is an edge of a turtle shell (smooth on both sides, curves down to the nice edge on top). The 3rd has slight ridges on it. And the 4th looks like a random bone fragment....but it broke in a nice zig-zag pattern (at the top) - or is it actually something?

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Definiitely some of those scales are gar. There might be some different fish in there as well.

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Olof Moleman AKA Lord Trilobite

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The second set of unknown pics are turtle shell pieces I believe.  You found some cool stuff at that place

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I like it! You have gar (Lepisosteus), a variety of turtle and a bit of gator...awesome stuff you all found.

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"I am glad I shall never be young without wild country to be young in. Of what avail are forty freedoms without a blank spot on the map?"  ~Aldo Leopold (1887-1948) 

 

New Mexico Museum of Natural History Bulletins    

 

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2 hours ago, CBOB said:

The second set of unknown pics are turtle shell pieces I believe.  You found some cool stuff at that place

 

Thanks! The spiky one too?

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9 minutes ago, Peat Burns said:

The third picture, far left, might be gar skull fragments.

 Interesting!

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"I am glad I shall never be young without wild country to be young in. Of what avail are forty freedoms without a blank spot on the map?"  ~Aldo Leopold (1887-1948) 

 

New Mexico Museum of Natural History Bulletins    

 

point.thumb.jpg.e8c20b9cd1882c9813380ade830e1f32.jpg research.jpg.932a4c776c9696d3cf6133084c2d9a84.jpg  RPV.jpg.d17a6f3deca931bfdce34e2a5f29511d.jpg  SJB.jpg.f032e0b315b0e335acf103408a762803.jpg  butterfly.jpg.71c7cc456dfbbae76f15995f00b221ff.jpg  Htoad.jpg.3d40423ae4f226cfcc7e0aba3b331565.jpg  library.jpg.56c23fbd183a19af79384c4b8c431757.jpg  OIP.jpg.163d5efffd320f70f956e9a53f9cd7db.jpg

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my two cents:

First post... all gar scales.  Lepisosteus is the genus.  Not sure the species name.  

Second post... three soft shelled turtle frags.  the third one is a different turtle, but I can't remember the name.

third post... gar face pieces, croc scute frags, more soft shells

fourth post... the first two are tough to say without the fossils in hand.  The third one is from the edge of a soft shell and the fourth is indeed a chunkosaur.  

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