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A Trade Well Worth It.


Ludwigia

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I recieved an email a while ago from a British Middle Jurassic ammonite specialist with whom I correspond. He was looking for some ammonite fauna out of a couple of specific Aalenian horizons which I have been collecting regularly in the Wutach for comparisons which he is making with the Brirish fauna for a paper he's working on. In return he offered to send me some unprepared ammonites from some Bajocian sites with exposed zones which are hard to get at here. Said and done. I sent off a few and got a few in return. Now we're both happy. Just goes to show you how rewarding it can be working hand in hand with the experts.

I've got most of them done now. Here they are. I've also just posted them in the gallery, so you can take a peek there if you'd like to find out what they are and where they come from.

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Man, this is great! I got this post finished in 5 minutes!!! Thanks again Cris and Admins!!!

Edited by Ludwigia
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Greetings from the Lake of Constance. Roger

http://www.steinkern.de/

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... Just goes to show you how rewarding it can be working hand in hand with the experts.

This seems an unusual arrangement, but a good one, in a very win-win way. I am surprised (after the fact) that I have not heard of it being done before.

"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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When you're good...you're good. A most amazing reward for your efforts.

When is the grand opening of your museum?

"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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Wow, they look great Roger: )

Every once in a great while it's not just a big rock down there!

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This seems an unusual arrangement, but a good one, in a very win-win way. I am surprised (after the fact) that I have not heard of it being done before.

Yes, it is somewhat unusual, I suppose. It would interest me to hear if others have made such experiences.

 

Greetings from the Lake of Constance. Roger

http://www.steinkern.de/

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When you're good...you're good. A most amazing reward for your efforts.

When is the grand opening of your museum?

Shucks, Mike, I'd rather remain private, but the doors are open any day for guys like you.

Wow, they look great Roger: )

:)

 

Greetings from the Lake of Constance. Roger

http://www.steinkern.de/

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Sounds like a fruitful deal in more ways than one! I don't think any of the pro's I have met would agree to such a thing, at least not with me....

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He's the one that suggested the deal in the first place. The ammonites are from his private collection.

He is a rare researcher indeed! WELL outside the box!

"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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I've just finished preparing the last ones. It's a series of 5 variations of a new species of Leioceras which he and a colleague erected a few years ago. I've also just posted them in my gallery.

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Greetings from the Lake of Constance. Roger

http://www.steinkern.de/

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  • 2 weeks later...

I also requested a Tmetoceras scissum, the zone ammonite of the scissum zone in the UK and parts of western Europe. We don't have that ammonite in my parts, and therefore the zone has another name here. It was waiting for me in my mailbox after I got back from my holiday yesterday and only took a half an hour to prep.

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Greetings from the Lake of Constance. Roger

http://www.steinkern.de/

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Wow. Beautiful ammonites Roger. Definitely a win win situation with your trade.

Bulldozers and dirt Bulldozers and dirt
behind the trailer, my desert
Them red clay piles are heaven on earth
I get my rocks off, bulldozers and dirt

Patterson Hood; Drive-By Truckers

 

image.png.0c956e87cee523facebb6947cb34e842.png May 2016  MOTM.png.61350469b02f439fd4d5d77c2c69da85.png.a47e14d65deb3f8b242019b3a81d8160.png.b42a25e3438348310ba19ce6852f50c1.png May 2012 IPFOTM5.png.fb4f2a268e315c58c5980ed865b39e1f.png.1721b8912c45105152ac70b0ae8303c3.png.2b6263683ee32421d97e7fa481bd418a.pngAug 2013, May 2016, Apr 2020 VFOTM.png.f1b09c78bf88298b009b0da14ef44cf0.png.af5065d0585e85f4accd8b291bf0cc2e.png.72a83362710033c9bdc8510be7454b66.png.9171036128e7f95de57b6a0f03c491da.png Oct 2022

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Hey Roger, nice work at usual. congrats on the additions!

I dont have many ammonites and am curious about the inner whorls in photo 5. Looks like most of the outer shell is gone but the inner whorl on the right has more distinct regular ribbing and those on the left have a more knobby ornamented appearance. Is that just a normal variation in a species, a preservation thing or is something else going on?

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Regards, Chris

I

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Chris, what you're seeing is nothing unusual for this subgenus (Euhoploceras). When it was young it had thorns on for protection, as it grew older it decided it didn't need them so much any more, at least as far as this species (marginata) is concerned. Some other species held onto them until they were full grown. The thorns have broken off and just the stubs are left.

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Greetings from the Lake of Constance. Roger

http://www.steinkern.de/

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Chris, what you're seeing is nothing unusual for this subgenus (Euhoploceras). When it was young it had thorns on for protection, as it grew older it decided it didn't need them so much any more, at least as far as this species (marginata) is concerned. Some other species held onto them until they were full grown. The thorns have broken off and just the stubs are left.

Thanks Roger. Probably makes it easier for your prepping if they arent so ornamented too. Neat critters. Regards, Chris

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That is a fantastic ammonite...I really like knobby ammonites...knubby ones too. :)

Scissum zone is what age? Same as the others in your trade?

"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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  • 2 weeks later...

It happened more often in the past and Europeans are more casual about that than Americans since Europeans have been collecting fossils longer than the US has been a country. With that said there are a few American paleontologists who have traded even if quietly with private collectors especially those they have known a while. These scientists tend to be those who feel educating collectors is more important to science than pushing toward outlawing private fossil collecting. They have a great understanding of what science doesn't need a few more of and what it could use a few more of. From my experience paleontologists who have their own study collection and specialize in groups that have a sparse fossil record might not mind trading something they have extras of if they can acquire specimens they can get solid locality information for and know to be rare.

This seems an unusual arrangement, but a good one, in a very win-win way. I am surprised (after the fact) that I have not heard of it being done before.

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This has nothing to do directly with trading, but Nick's experience with the British paleontologists on hand of his dinosaur find is a case in point as far as the support we amateurs get from many professionals over here. Now another young collector has just discovered another piece of the puzzle and the professional involved states: "This was a chance-in-a-million find and highlights how important it is to encourage fossil hunting in this country." See Taogan's recent thread:

http://www.thefossilforum.com/index.php?/topic/57065-more-bits-of-the-welsh-theropod/

 

Greetings from the Lake of Constance. Roger

http://www.steinkern.de/

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  • 5 months later...

My friend came over for a visit this week and brought another one along for me. This time it was a 16 cm. diameter Stephanoceras sp. from Frogden quarry near Sherborne, Dorset. Of course he got another one from me in exchange. Just finished prepping it this afternoon.

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Greetings from the Lake of Constance. Roger

http://www.steinkern.de/

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