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Ancyloceras ( with spikes )?


Lone Hunter

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I have several Heteromorphs but none have such large protrusions. Are these called horns? I worked on this for an hour trying to expose as much as possible, it's buried in bacculites. Found in shale in north Irving TX,  inc. pic of other ammonites found there.

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I think that is a partial Ammonite...looks like the venter of Euomphaloceras.

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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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7 minutes ago, PFOOLEY said:

I think that is a partial Ammonite...looks like the venter of Euomphaloceras.

I looked that up but didn't see any that were uncoiled and and rather twisted. What did i miss?

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20210221_003350.thumb.jpg.9e2a573a5c4f48900d460d8630c9a64d.jpg

 

I think "A" and "B" are two different animals..."B" looks like the venter of Euomphaloceras. "A" looks more interesting now that I cropped it. Could you post some clearer pictures?

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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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Ah, this makes more sense that there are 2 critters!  Did best I could with my cheap phone camera. Think I'll try to clean it up a little more.

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@Lone Hunter these are still a bit too blurry to make out the fine details. Try to take pictures on a blank background rather than one with a texture...that might allow your phone camera to focus on the specimen instead of the texture of the background.

 

20210221_004912.thumb.jpg.34f09e6d6dcccae4aa589986b5029598.jpg

"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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Sometime its better to get a far away and clear photo than a close and blurry one

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Looks like a Britton Formation Allocrioceras to me.  The red ironstone nodules are typical of the Britton Formation in your area.  Keep an eye out for crab fossils as well.

 

Don

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I loved that link! Beats the heck out of the maps I usually look at.  According to that map the area was Eagle Ford, and an Alluvium outcrop (I think) is less than 1/4 mile away.  Don't know how to get more specific than that yet.

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