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Julia McHugh

@drjmchugh

Vertebrate Paleontologist at the Museums of Western Colorado. Nature photographer and owner of Earthly Exposures. Foster of Kittens. All opinions are my own.

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20.11.2024
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Latest posts by Julia McHugh @drjmchugh

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Calling all young paleo-artists! Museum of the Rockies is thrilled to announce our Dinos and MOR! Festival Art Contest, a digital showcase for creators ages 0-18. Details at the bottom of the page at museumoftherockies.org/signature-ev...

09.03.2026 21:40 πŸ‘ 23 πŸ” 13 πŸ’¬ 0 πŸ“Œ 2
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Happy #FossilFriday!

Check out this Allosaurus dorsal rib next to the ribs of a Ceratosaurus.

There is definitely a size overlap in these Jurassic predators, but when it comes to body size (and abundance), Allosaurus takes the cake.

06.03.2026 21:14 πŸ‘ 5 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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A belated #FossilFriday...

I spent Friday with Logan King (CNCC) and Lukas Trout (BLM) examining Uinta Formation sites for collection & student work.

Our shared paleo heritage serves many purposes. Museums, educators, & resource mgrs work together to make the most of every fossil!

01.03.2026 16:43 πŸ‘ 6 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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A new titanosauriform with European affinities in the Early Cretaceous of Brazil: insights on Somphospondyli phylogeny, histology and biogeography A non-titanosaur Somphospondyli specimen unearthed from Early Cretaceous (Aptian) deposits of north-eastern Brazil allowed the establishment of a new taxon, Dasosaurus tocantinensis gen. et sp. nov...

A new titanosauriform with European affinities in the Early Cretaceous of Brazil: insights on Somphospondyli phylogeny, histology and biogeography: Journal of Systematic Palaeontology: Vol 24 , No 1 - Get Access www.tandfonline.com/doi/full/10....

12.02.2026 16:26 πŸ‘ 31 πŸ” 13 πŸ’¬ 0 πŸ“Œ 0
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Concerned about the Point of No Return? Today we published a paper on the risk of a hothouse Earth trajectory. You can read it here: authors.elsevier.com/c/1mbW49C~Iu...

11.02.2026 19:43 πŸ‘ 96 πŸ” 62 πŸ’¬ 6 πŸ“Œ 13

Hmm...

10.02.2026 23:53 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

My CMU student found it back in 2017. Published in the Foster et al., 2018 Mygatt-Moore tome.

08.02.2026 18:59 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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Not everyone in the Jurassic Period was a giant.

This tiny jaw of teeth was collected from the Mygatt-Moore dinosaur bonebed. It belonged to no dino, but instead to a small, lizard-like animal called a rhynchocephalian. Today, this group is represented by the Tuataras of New Zealand.

#FossilFriday

06.02.2026 20:56 πŸ‘ 208 πŸ” 34 πŸ’¬ 2 πŸ“Œ 0
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Searching for dinosaur secrets in crocodile bones Until now, estimating how old a dinosaur was when it died has been a fairly simple process: Count up the growth rings in the fossilized bones. But new research into some of dinosaurs' living relatives, like crocodiles, suggests that this method may not always work.

Until now, estimating how old a dinosaur was when it died has been a fairly simple process: Count up the growth rings in the fossilized bones. But new research into some of dinosaurs' living relatives, like crocodiles, suggests that this method may not always work. n.pr/4qTSIhz

05.02.2026 11:02 πŸ‘ 162 πŸ” 29 πŸ’¬ 3 πŸ“Œ 2
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Dinosaur Desert All about the life and discoveries of Zofia Kielan-Jaworowska!

A children’s book about the life of Zofia Kielan-Jaworowska? Yes please! Learn more about the discoveries of the Polish-Mongolian Expeditions with β€œDinosaur Desert”!
πŸ¦•πŸ“–πŸ¦–

dinodadreviews.com/2026/02/01/d...

01.02.2026 20:43 πŸ‘ 49 πŸ” 21 πŸ’¬ 2 πŸ“Œ 2
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Happy #FossilFriday! We got the good news that our abstract for WAVP was accepted for a talk.

Super excited to be part of the Wedel Pneumaticity Crew!

31.01.2026 04:08 πŸ‘ 7 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I'm hearing from multiple people that students who submitted ecology GRFP proposals are having those proposals rejected without review, despite ecology being listed as an eligible field. If this is a programmatic change, this is devastating. Ecology is the study of Earth's life support systems.

29.01.2026 14:31 πŸ‘ 157 πŸ” 88 πŸ’¬ 7 πŸ“Œ 0
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(PDF) INTER-SITE AND INTER-ANALYST VARIATION IN REPORTED FREQUENCIES OF MODIFIED BONE MATERIAL FROM THE UPPER JURASSIC MORRISON FORMATION OF COLORADO AND WYOMING PDF | Bone surface modifications (BSMs) on vertebrate remains can provide critical data on taphonomic and paleoecologic activity. Here, we present the... | Find, read and cite all the research you nee...

First pub of the new year, with @drjmchugh.bsky.social

We're back on our bone surface modification nonsense, this time comparing bite marks and insect traces between two Jurassic sites and between our work on those sites and other teams' to see how comparable they all are.

24.01.2026 17:38 πŸ‘ 9 πŸ” 2 πŸ’¬ 1 πŸ“Œ 0
I Have a Dream - The Complete Speech of Martin Luther King Jr.
I Have a Dream - The Complete Speech of Martin Luther King Jr. YouTube video by Martin Luther King Jr. - Topic

#MLK #Dream #MLKday

youtube.com/watch?v=dzn0...

19.01.2026 16:02 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
A large rocket in an even larger building

A large rocket in an even larger building

Artemis II moving out of the Vehicle Assembly Building on its way to the launch pad. Launch for the first trip to the Moon in more than 50 years is scheduled for February 6.
πŸ“Έ NASA

18.01.2026 19:58 πŸ‘ 917 πŸ” 167 πŸ’¬ 56 πŸ“Œ 23
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Contrasting evolution of the Arabian Sea and Pacific Ocean oxygen minimum zones during the Miocene - Communications Earth & Environment The Arabian Sea and eastern tropical Pacific oxygen minimum zones were better oxygenated during the warm Miocene, but with regional complexities, according to analysis of trace elements and nitro...

🚨New paper out with @alexauderset.bsky.social! We show that the Arabian Sea oxygen minimum zone (OMZ) was better oxygenated during the warm Miocene Climate Optimum than today, but its path to full deoxygenation was slow and complex.
Link to paper: www.nature.com/articles/s43...

16.01.2026 17:21 πŸ‘ 18 πŸ” 14 πŸ’¬ 1 πŸ“Œ 2
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This is a coalified log from the Mygatt-Moore Quarry, collected by Museum crews in 2023.

Coalification is a longer, slower than carbonization.

This log was found buried in the bottom of a mudstone bonebed and was likely submerged in a boggy muck for a long time.

#FossilFriday #fossil #Jurassic

16.01.2026 15:04 πŸ‘ 8 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Nothing like a good piece of tail...

For this #FossilFriday, enjoy a distal causal vertebra from the King of the Jurassic- Allosaurus fragilis!

The enlongate prezygapotheses are a hallmark of tetanuran theropods, lime Allosaurus. They help stiffen the posterior tail.

09.01.2026 22:47 πŸ‘ 167 πŸ” 14 πŸ’¬ 6 πŸ“Œ 0
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A hidden diversity of ceratopsian dinosaurs in Late Cretaceous Europe - Nature New results indicate that rhabdodontids and the previously described Ajkaceratops are actually distinctive European ceratopsians, a group better known from Asia and North America.

Out in @nature.com today, we shake up the ornithischian family tree. Remember those weird Late Cretaceous iguanodontians, the rhabdodontids? Well they're weird because they aren't iguanodontians. They're ceratopsians. Well, at least some of them are... www.nature.com/articles/s41...

07.01.2026 16:57 πŸ‘ 197 πŸ” 79 πŸ’¬ 6 πŸ“Œ 18

In these photos, the spool-shaped body of the vertebra would have attached where my palm is placed, but in young animals the fusion is not complete, so sometimes the fossil of 1 vertebra is preserved as 2 pieces. This is the top piece.

03.01.2026 20:32 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

It is the arch of bone on a vertebra (back bone) that covers the top of the spinal cord inside the neural canal.

03.01.2026 20:30 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
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First #FossilFriday of 2026!

To celebrate, check out this beauty on my desk today: a neural arch from a juvenile Apatosaurus cervical vertebra.

This lovely specimen was collected by Museum crews from the Mygatt-Moore Quarry in 2025.

02.01.2026 23:36 πŸ‘ 312 πŸ” 22 πŸ’¬ 2 πŸ“Œ 0

Ammonite survival across the K-Pg mass extinction.

01.01.2026 17:34 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Books We Love Here are 380+ great reads from 2025 handpicked just for you by NPR staffers and trusted critics.

Are your kids β€œboooooored”? We’ve got hundreds of book recommendations for them right here:

28.12.2025 16:09 πŸ‘ 230 πŸ” 51 πŸ’¬ 13 πŸ“Œ 1
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Hope everyone has as good a Christmas as a goofy dog and her new toy!

25.12.2025 18:07 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

New life goal:

Be brave enough to go skydiving by the my 50th birthday.

That gives me just a few years to get over my fear of heights! 🫣

22.12.2025 02:45 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Nearly a third of kids out sick in Bay Area school district as flu starts to rise Public health leaders say kids can spread respiratory viruses before symptoms appear, allowing outbreaks to grow quickly. β€œWe’re just now starting to see flu cases pick up.”

www.sfchronicle.com/health/artic...

20.12.2025 15:51 πŸ‘ 49 πŸ” 17 πŸ’¬ 0 πŸ“Œ 1
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PTO is here! I spent last night drinking wine, listing to holiday music, & wrapping presents!

Let the holidays begin!

20.12.2025 13:26 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

For every one else who is just trying to make it through the holiday season in one piece... Cheers to you! See you in 2026.

19.12.2025 12:59 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Dean of Collections | Isaacson, Miller

Would love to see this position go to a paleo person!

Dean of Collections
American Museum of Natural History | New York, New York

www.imsearch.com/open-searche...

14.12.2025 16:38 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0