Andrew Milner
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andrewtracks.bsky.social
Andrew Milner
@andrewtracks.bsky.social
Paleontologist at the St. George Dinosaur Discovery Site in SW Utah @stgeorgedino. I'm 🇨🇦, love hockey and Rock n' Roll!
Reposted by Andrew Milner
Just got finished printing this life-sized lungfish model as a gift for the St. George Dinosaur Discovery Site Museum

It's a surprise 🤫 so don't tell SGDS Curator @andrewtracks.bsky.social
April 12, 2025 at 4:19 AM
#FossilFriday from the Substation Quarry at the St. George Dinosaur Discovery Site in SW Utah. Two Anomoepus tracks in a trackway, a nice Grallator, and a theropod vertebra found right at the end of the day.
April 5, 2025 at 2:28 AM
New theropod tooth today and Handy Excavation is moving in big equipment to get the huge rock pile out of the way. Thanks for all of the amazing support!
March 25, 2025 at 8:09 PM
Some cool finds today in the Substation Quarry at the St. George Dinosaur Discovery Site! This quarry is becoming massive! We're having lots of fun though.
March 13, 2025 at 5:22 AM
Hi everyone! We have a live stream from the Substation Quarry at the St. St George Dinosaur Discovery Site /Washington County, UT (Natural History) provided by the Prehistoric Museum in Price: www.twitch.tv/prehistoricm...
March 12, 2025 at 5:42 PM
I have deleted X. I'm tired of this crap!
March 10, 2025 at 5:17 AM
SGDS Substation Quarry update: met with two contractors today who are going to help out. Jim Poole just uncovered a palaeoniscoid fish. #FossilFriday
March 7, 2025 at 9:58 PM
This news story released tonight is already having positive results. Three excavation companies have already contacted me.

www.stgeorgeutah.com/news/heavy-e...
Heavy equipment operators needed during dig for dinosaur bones in St. George
The St. George Dinosaur Discovery Site is known for its collection of fossil tracks and traces made by dinosaurs and other prehistoric animals on the shores of ancient Lake Whitmore
www.stgeorgeutah.com
March 7, 2025 at 3:20 AM
The St. George Dinosaur Discovery Site is looking for help with funding and crews to excavate an ~1/2 acre of bone beds in the Early #Jurassic (~200 million). We need big excavation equipment. Check out fossils and how you can help in the images attached.
February 4, 2025 at 10:23 PM
We're looking for help with the excavation of bone beds at the St. George Dinosaur Discovery Site in SW Utah. We need heavy excavation equipment to move a large fossil-rich rock pile and in place rock above the bone beds. The City will break ground for an electrical substation in early April.
An early independent evaluation of the scientific significance of the St. George Dinosaur Discovery site. Minimize the loss of unique basal Jurassic data. www.academia.edu/49770819/The...
@andrewtracks.bsky.social @paleontologizing.bsky.social @utahpaleo-ufop.bsky.social @ichnologist.bsky.social
February 2, 2025 at 6:05 PM
Reposted by Andrew Milner
Thursday is my day in the collection. Today's fossil: the Early Devonian jawless fish Cyrtaspidichthys.
December 5, 2024 at 10:11 PM
Reposted by Andrew Milner
Presenting the #temnospondyl, #Siderops kehli, on display at the Queensland Museum Kurilpa in Brisbane, Australia for this #FossilFriday. It grew up to 2.7 m long & inhabited the rivers & lakes of Australia during the Early #Jurassic.

🧵 1/
December 6, 2024 at 9:47 AM
Another beautiful phytosaur skull discovered by our SGDS crew in 2020. It's from the lower Church Rock Member of the Chinle Formation from San Juan County, Utah.
December 3, 2024 at 6:16 AM
Reposted by Andrew Milner
For this #FossilFriday, the early #Triassic owenettid Saurodektes kitchingorum from South Africa.

This taxon (and other procolophonoids) were some of the only reptilian survivors of the End Permian #Extinction.

Was it because they were burrowing?

Bonus: There are fossil millipedes (:
November 22, 2024 at 2:14 PM
Reposted by Andrew Milner
An exceptionally preserved fossil assemblage from the early Jurassic of Chongqing ( #China ) reveals a complex lacustrine ecosystem

Ting-Cong Ren, Xin-Ying Ma, Qing-Dong Wang, GoGuang-Hui Xu 🧪⚒️🐟

www.nature.com/articles/s41...
November 22, 2024 at 1:04 AM
Reposted by Andrew Milner
As we get closer to the weekend, here’s an important reminder, as we aspire for peace of mind via traces. 🐾
(Graphic design courtesy of @stupond.bsky.social)
November 21, 2024 at 2:17 PM
Reposted by Andrew Milner
A beautiful little skull from the early armoured dinosaur Scelidosaurus. This one is in the Bristol City Museum, and is one that is NOT privately-owned.. (IYKYK)
November 20, 2024 at 4:14 PM
Reposted by Andrew Milner
Amazing science on bird limb functionally! I'm totally not going to harass our pet chickens to watch them rotate their legs at the knee, no sir.
Thrilled to share: out in @natureportfolio.bsky.social (!) just in time for Thanksgiving, the dinosaurian history of how your turkey does the twist. Fibular reduction enabled mid-drumstick mobility, unlocking extreme knee long-axis rotation in theropods 🍗🦖🧵 www.nature.com/articles/s41586-024-08251-w
November 20, 2024 at 4:53 PM
NBMG 14143 (New Brunswick Museum) - Pseudobradypus isp. from Pennsylvanian Grande Anse Formation, southeastern New Brunswick.
November 20, 2024 at 7:55 AM
Having fun recycling some posts: Pseudoarctolepis sharpi from the middle #Cambrian Pierson Cove Formation, Millard County, #Utah.
November 19, 2024 at 2:36 PM
Reposted by Andrew Milner
W.G. Parker et al. (2024)
Anatomy and ontogeny of the “carnivorous aetosaur”: New information on Coahomasuchus kahleorum (Archosauria: Pseudosuchia) from the Upper Triassic Dockum Group of Texas
The Anatomical Record
doi: doi.org/10.1002/ar.2...
anatomypubs.onlinelibrary.wiley.com/doi/10.1002/...
Anatomy and ontogeny of the “carnivorous aetosaur”: New information on Coahomasuchus kahleorum (Archosauria: Pseudosuchia) from the Upper Triassic Dockum Group of Texas
A newly referred specimen of Coahomasuchus kahleorum (TMM 31100-437) from the lower part of the Upper Triassic Dockum Group of Texas preserves much of the skeleton including the majority of the skull...
doi.org
November 19, 2024 at 1:57 PM
Reposted by Andrew Milner
You all should follow @prehistoricmuseum.bsky.social for paleontology content from the best place on the planet for fossils!

Photo by George Frandsen
November 17, 2024 at 6:45 PM
Reposted by Andrew Milner
Here, we describe Uncus dzaugisi from the Ediacaran of South Australia. This vermiform, non-modular bilaterian was curved to sinuous in shape, and moved through the microbial mat with a distinct sinusoidal pattern.
November 18, 2024 at 4:31 PM
Reposted by Andrew Milner
With the print of my nautilus model
November 18, 2024 at 8:01 PM