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Posts by Denver Fowler Ph.D

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Pachycephalosaurus skull The Compsognathus was a small, bird-like dinosaur that lived during the Late Jurassic period, approximately 150 million years ago. With its sleek, agile frame and sharp teeth, it was a fearsome predat...

This is the model. Nova said they'll adapt it to be up to date scientifically (simple changes to h the feet and hands) I'm really pleased with how it turned out .

www.novastudios.be/product/comp...

1 week ago 0 0 0 0
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Made this nice Compsognathus. Adapted it a bit for our exhibit. Thinking of writing about how Compsognathids are a fake clade created by ontogenetic clustering (Cau's work). Cool stuff. model by Nova. #fossilfriday #dinosaurs

1 week ago 19 1 1 0

Not a very insightful article. The important questions of how much is real, how much it actually costs to dig these things up (etc) are not asked.

1 week ago 2 0 1 0

Suggestion. The lowermost part of the Javelina Fm is probably late Campanian (see supp info to Fowler and freedman Fowler, 2020). There are probably two significant hiatuses within the Javelina-Black Peaks. It's not as simple as has been portrayed.

2 weeks ago 5 0 2 0

Collected many decades ago by Gary Leppart in the badlands of the Brule Formation near Dickinson, and kindly donated by his family in 2025. Next step is painting and mounting, but we should have it ready to go in the exhibit for the summer season.

2 weeks ago 5 0 0 0
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Entelodonts were large omnivorous mammals that lived from 38-15 million years ago. Although they look a bit like a pig, they're more closely related to whales. We think this specimen belongs to Daeodon, although it could instead be a very large individual of Archaeotherium.

2 weeks ago 12 3 1 0
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RECONSTRUCTING A HELL PIG: This really big entelodont snout is possibly the biggest found in North Dakota! To reconstruct it, Amanda laser scanned a smaller skull, then we scaled it up, and 3D printed the missing back half

#fossilfriday #scicomm #museums #mammals #fossil

2 weeks ago 39 12 2 1

50cents says they glow under UV

3 weeks ago 2 0 0 0
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Ooh, diagnostic.

3 weeks ago 7 2 0 0

Cleaned by Deanna. Jack's Bonebed found by J Wilson. We're microprocessing the matrix from this site: all kinds of cool things are coming out. The richest and most exciting bonebed I have ever worked

3 weeks ago 3 0 0 0

The lines at the top of the jaw are tooth sockets for the tiny teeth! We think it looks close to Scapherpeton. Undoubtedly, this fine specimen will be useful to scientists who study these little creatures.

3 weeks ago 1 1 0 0
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This fossil may look small - that's because it's from a salamander, but what a salamander! It's actually very large and surprisingly complete for the late Cretaceous of North America. From US Public lands administered by the BLM.

#FossilFriday #fossils #scicomm #salamander #microfossil

3 weeks ago 45 11 2 0
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Specimen in the UV photo is Archaeotherium sp., from the historical League collection. Originally found in South Dakota White River Group, 32 million years old.

Plus a reminder photo of how MASSIVE the Leppart skull is (AND it's from North Dakota)

1 month ago 5 0 0 0
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Today, Amanda is 3D scanning our Hell Pig (Entelondont) skull (usually in the lobby display). We're going to use the 3D scan to restore the enormous snout kindly donated 2025 by the Leppart family.

Here UV light shows the skull is ~60% real.

#FossilFriday #fossils #scicomm

1 month ago 22 4 1 0
Dickinson Museum Center Online Gift Shop Dickinson Museum Center

If you like what we do please consider donating, or buying something from our online shop. We have some unique items that you can only get from us, with new things being added all the time:
shop.dickinsonmuseumcenter.com

1 month ago 1 0 0 0
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SITE: "Jack's Bonebed", Dinosaur Park Formation, ~76 Million Years old, Montana. Site found by Jack Wilson on US Public Lands administered by the US Bureau of Land Management MT/Dakotas. Permanently reposited at Badlands Dinosaur Museum, Dickinson, North Dakota.

1 month ago 0 0 0 0
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BABY DUCKBILL: Steve just finished cleaning this super cute jaw, with rows of tiny teeth! This matches another jaw, femur, and vertebrae that we collected from the same site. A baby dino skeleton is coming out!

#fossilfriday #dinosaurs #dinosaur #scicomm #fossils #publiclands

1 month ago 48 10 3 0
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Stupid tyrannosaurs in a million bits. This is the left side of the snout of Holger, a Daspletosaurus c.f. wilsoni. The skull of Holger, our 2nd completed Dasp site, is currently being restored.

From US Public Lands administered by the BLM; Judith River Fm, Montana. #dinosaurs

2 months ago 26 6 0 0

right, i was saying i don't believe heron is an appropriate analogue, and I don't believe the swimming model either.

2 months ago 1 0 1 0

aquatic but "heron" is not a good comparison. I don't see how they could swim underwater with the sail the way it is. Totally implausible.

2 months ago 1 0 1 0

neither

2 months ago 2 0 1 0

NOTE: The lab experience is not available for 2026 because we're building the new lab, but I am hoping I can pull together the funds for 2027. I am very hopeful we might be able to get university dorm rooms for accommodation too. TRYING to make paleo accessible for all.

2 months ago 7 1 0 0
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ALSO: Would you be interested in a lab-based volunteer experience? I'm thinking of applying for money to fund a person to run our (new, BIG) lab in the summer so we could have ~5 volunteers prepping dinosaur bones. Not everyone can do fieldwork, so this would make paleo available to more people.

2 months ago 8 1 3 0
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Incidentally, the main photo I chose was taken during lunch, that's why we're all sat around eating. Here's a photo (taken by Dani Barrera) of some work being done at the ankylosaur quarry.

2 months ago 5 1 0 0
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Fieldwork Volunteer

Here's the link for more information / application details, etc.

www.dickinsongov.com/museum-cente...

2 months ago 12 3 0 0
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VOLUNTEER ON A DINOSAUR DIG: We run one of the only free dinosaur digs in the USA. We work public land and the fossils go in our public museum, forever. It's hard work, but we find some cool things. If this sounds like you, we're taking applications. Link in comms. #dinosaurs

2 months ago 95 46 3 3

Yes, it could be a Gorgo eating a Dasp, but it's basically impossible to tell from just the tooth spacing. Likelihood is that it's Dasp on Dasp based on abundance. There are going to be limits on how precise the information you get is, but its a cool fossil. Am trying to get the 3D file uploaded.

2 months ago 2 0 1 0
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Investigating size-asymmetric feeding among tyrannosaurids using tooth marks on a metatarsal from the Judith River Formation, Montana, USA The Judith River Formation in Montana, USA, is a key Campanian-aged sedimentary package, with a rich fossil assemblage, including multiple tyrannosaur…

Read the paper here, FREE:

Nielsen J; Fowler DW; Wyenberg-Henzler, T; Jacobsen AR, & Pearce, C. (2026) Investigating size-asymmetric feeding among tyrannosaurids using tooth marks on a metatarsal from the Judith River Formation, Montana, USA. Evolving Earth

www.sciencedirect.com/science/arti...

2 months ago 13 5 0 0
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Cannibalism of an adult tyrannosaur by a juvenile

Link to our press page:

www.dickinsongov.com/museum-cente...

2 months ago 3 1 0 0
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The specimen (BDM 124) was discovered in 2012 by fossil collectors Brent and Rod Olson on private land in Montana which contains exposures of the Judith River Formation. In 2023, it was donated to the public repository at Badlands Dinosaur Museum, Dickinson ND. /6

2 months ago 4 0 1 0