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Prepping nodules with Bactrites


Manticocerasman

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Although the most pieces of my collection are goniatites, I am more than happy to add other Devonian cephalopods to my collection from time to time.

 

On my last field trip for devonian cephalopods I splitted a few nodules and some of them had a few uncommon fossils in them: Bactrites

I rarely find decent fragments of them, but those few were looking promising.

 

Bactrites, although they look like an orthocone are in fact straight Ammonoids and not a Nautiloid. the septas start to be slightly ondulated, but most important they have a ventral siphuncle, a typical trait of an Ammonoid.

 

the first nodule had a fragment sticking out, and when I split the nodule another one was found inside. I kept both parts of the nodule and prepped the one inside and on top

After prepping them I found out that neither of those were complete, but the were decent in size and well preserved.

 

The second nodule on the other hand hand was much better, a piece of the Bactrites was sticking out from both ends of the nodule, so I new I had a complete specimen.

The prepping was relatively hard as different parts of the cone had different forms of preservation, but in the end I got the whole specimen out of the matrix and is my best Bactrites until now.

 

enjoythe pictures:

1st nodule with the specimen inside:

IMG_20181005_201831.thumb.jpg.eb7967a85b52612181553dca8a6d560c.jpg

 

IMG_20181005_201939.thumb.jpg.ca76d023e905068a526b7a5820170ff7.jpg

 

after prepp:

IMG_20181007_105051.thumb.jpg.b2e305280692050838094692cb8af85f.jpg

 

After prep with the top of the nodule containing an other fragment.

5bbcf2c1d54ba_IMG_20181008_170533(1).thumb.jpg.f96b73a88d094c56619d832e258cd026.jpg

 

 

 

prepp on the 2nd nodule:

IMG_20181008_171419.thumb.jpg.2b67a2b6ec3ac8ec69a090aada0af396.jpg

 

IMG_20181008_181206.thumb.jpg.56501c0af8b675e98a5de48623b19471.jpg

 

after prepp, with the different kinds of preservation visible:

IMG_20181008_200428.thumb.jpg.0581c620936e8056dcc1742a871bfc3c.jpg

 

 

 

and the whole lot:

5bbcf2dc2b5f5_IMG_20181008_200407(1).thumb.jpg.10753efb93acf50d494eb2448a6422b4.jpg

 

IMG_20181008_195856.jpg

IMG_20181005_201831.jpg

growing old is mandatory but growing up is optional.

 

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Very neat fossils - love those Bactrites! Where did you find these specimens?

-Christian

Opalised fossils are the best: a wonderful mix between paleontology and mineralogy!

 

Q. Where do dinosaurs study?

A. At Khaan Academy!...

 

My ResearchGate profile

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3 minutes ago, The Amateur Paleontologist said:

Very neat fossils - love those Bactrites! Where did you find these specimens?

-Christian

Thx. They are from Belgium. Near Chimay.

growing old is mandatory but growing up is optional.

 

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Nice Bactrites! Early cephalopod evolution is truly fascinating, especially when you can hold it in your hands! 

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   I had to open up this post cause ive never even heard of 'Bactrites' before?   Purty dang cool!  Nice job Kevin.

 

RB

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