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My Jurassic Park: Hell Creek/lance Theropods


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There are two Tyrannosaurs described in the Hell Creek & Lance Formations, Tyrannosaurus rex and Nanotyrannus lancensis. Teeth from these animals are the number one sought after and coveted item by collectors. I don't understand all the hoopla and prices they command since my friends who I collect with know that I'm not a tooth person and prefer bones and claws. However I've been fortunate to find and acquire a few teeth and will post a several of my nicer ones.

My two most favorite T-rex teeth are my biggest and smallest:

The Baby (one of the rarest teeth around) is 1 1/8" and when I showed it to Bob Bakkar and Pete Larson they flipped and never had seen a Rex tooth so small and confirmed it was one. Collected from Garfield County, MT.

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My big Trex one is a rooted Premaxillary tooth at 6". One can see the replacement tooth hole at the bottom of the root

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T-rex teeth are big and my biggest crown, no root still on the matrix is this 4 5/8" monster.

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If your are interested none of these teeth have any work done to them. Minor crackfill to the root of the 6" tooth. Serrations are in pretty good shape.

.

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Here is a very nice tooth from the Lance Fm. The quarry I was in had a about a 2" hardcap before you get to the layer. I force up a one foot slab and look at was underneath it. Just picked it up and :) Attached field photo.

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Nice tooth a bit smaller.

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Another tooth with glass enamel finish.

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Nice juvie crown at 5/8"

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Monster Premaxillary crown 

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Everyone who I showed this tooth believe it was digested?

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(Edit from photo) Although it looks like a premax tooth its a Dentary tooth position #1

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Nice rooted tooth

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Odd rooted tooth

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Not uncommon with tyrannosaur teeth a Y carina on the anterior side.

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Now lets move to the more important elements Bones :D

Well not totally here is a partial jaw fragment with a tooth in it.

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A metatarsal with a field image

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A caudal vertebra

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Edited by Troodon
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Nice toe bone with photo showing its location on the foot. The color difference is that portion that was exposed to the sunlight.

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A bone from Digit I (Dew Claw digit)

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Hand bones are super difficult to find or acquire. Lucked out on this one.

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Edited by Troodon
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Now will focus on Nannotyrannus start off with a replica of Jane at the Black Hills Institute

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My favorite item is a Maxilla with two teeth in it. One of the best preserved I've seen, wish it had more teeth.

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Here are a few teeth:

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Edited by Troodon
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These premaxillary teeth are small but because they do not have serrations they are Tyrannosaurid. Most likely Nano but could be Rex.

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Few other teeth, largest in photo on right 1 1/2"

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The Foot Claws are identified as Tyrannosaurs however they most likely belong to Nanotyrannus

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A comparison of a Dew (Digit I) and other claws

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Most likely Nanotyrannus

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Same with as Rex, Nano hand bones are very difficult to find or acquire. Here are two of my favorites and image to show you the location of the carpal from the Dueling Dinosaur Hand. I also attached a photo of an adult T-rex hand claw. Quite a difference :o same species??

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Beautiful carpal

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A Digit I (Dew Claw) metatarsal

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I'm not sure if this is Nano or not but its big and I'm not sure what else it might fit

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Nice Nano Metatarsal at 19"

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Nice Caudal Vertebra

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A great publication if your interested in seeing the great illustrations of all T Rex bones. You can pick it up online at the SVP site

Brochu, C. A. 2002. Osteology of Tyrannosaurus rex: Insights from a nearly complete skeleton and high-resolution computed tomographic analysis of the skull. Society of Vertebrate Paleontology Memoir 7: 1-138; supplement to Journal of Vertebrate Paleontology 22(2)

Other Jurassic Park Collections:

Triceratops

http://www.thefossilforum.com/index.php?/topic/57352-my-jurassic-park-triceratops/

Allosaurus

http://www.thefossilforum.com/index.php?/topic/57284-my-jurassic-park-allosaurus/

KemKem Claws

http://www.thefossilforum.com/index.php?/topic/57318-my-jurassic-park-theropod-claws-from-the-kem-kem/

Anzu W.

http://www.thefossilforum.com/index.php?/topic/57267-my-jurassic-park/

Edited by Troodon
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Wonderful presentation, and wonderful collection. All of your presentations are too good to describe with words. :yay-smiley-1:

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No words need to be said for your T-Rex; your collection is the dream of any dinosaur lover.

As for Nano, those are easily the best Nano teeth I've ever saw. Man, if you ever decide to sell any of your fossils one day, please do PM me!

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Man, if you ever decide to sell any of your fossils one day, please do PM me!

If that day ever happens will give you a shout

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Hey Troodon,

Did not see this thread till now. I have to say, that is one beautiful dino collection, well organized, great quality, great photography (including fantastic context photos) .. post like these add so much to this forum. Thank you!!

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Well thank you, just following in the footsteps of posts like yours.

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  • 4 months later...

Giving this post a bump because everyone deserves to see it again

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Wow, what a fantastic collection! You have some amazing pieces there mate, thanks for taking the time to show us.

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I've always dreamed of having a collection of premium Rex teeth. It's a bit cliché, but it's a Tyrannosaurus rex dammit haha!

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I've always dreamed of having a collection of premium Rex teeth. It's a bit cliché, but it's a Tyrannosaurus rex dammit haha!

Oh so true why Rex teeth prices are so high

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