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Reposted by Utah Friends of Paleontology

PaleoJim @paleojim.bsky.social · Apr 28

The BLM and the Burpee Museum will be starting their annual spring tours of the Hanksville-Burpee Dinosaur excavations, at what may be the largest single dinosaur site in the Jurassic of North America. www.blm.gov/announcement... @utahpaleo-ufop.bsky.social @paleontologizing.bsky.social

Free daily dino tours return to Hanksville-Burpee Dinosaur Quarry for 2025 Season | Bureau of Land Management

Free daily dinosaur tours return to Hanksville-Burpee Dinosaur Quarry in May and June 2025. Explore real fossils with Burpee Museum experts. Tours run Monday–Saturday, weather permitting.

www.blm.gov

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Utah Friends of Paleontology @utahpaleo-ufop.bsky.social · Apr 18

Hybrid Meeting with author Christa Sadler, Wednesday, May 21, 7:00 PM. Sadler will talk about her brand-new book: "Dinosaur Frontier: Utah at the Dawn of the Cretaceous".

Visit the UFOP website at rb.gy/eh1jft for more info or to sign up for the online meeting.

#FossilFriday

Composite image with portrait photo of author Christa Sadler, an image of the cover of her new book, "Dinosaur Frontier", and a painting by Andrey Autuchin showing some of the many dinosaurs found in Utah's Early Cretaceous.

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Utah Friends of Paleontology @utahpaleo-ufop.bsky.social · Apr 11

Kosmoceratops richardsoni from Utah's Grand Staircase-Escalante National Monument has an amazing array of floppy horns on its frill. Reimagined here as the Sideshow Bob of ceratopsians. The holotype at the Natural History Museum of Utah includes an amazing skull prepared by Mike Getty. #FossilFriday

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Utah Friends of Paleontology @utahpaleo-ufop.bsky.social · Apr 1

Join the Great Basin Chapter of Utah Friends of Paleontology for a hybrid meeting Thursday, April 10 at 7 PM. Dr. Nathan Ong will present: "Streamlining Fossil Inventory and Data Analysis Across U.S. National Parks." #paleontology

Sign up to attend online at the link. utahpaleo.org/2025/03/31/a...

Dr. Nathan Ong carrying a pick while doing badlands field work looking for fossils.

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Utah Friends of Paleontology @utahpaleo-ufop.bsky.social · Apr 1

Please note that the date is April 10. Sorry for the error.

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Reposted by Utah Friends of Paleontology

Dr. Rod Taylor @fossilrod.bsky.social · Mar 7

This #FossilFriday, let’s also celebrate #FractofususFriday! Here’s a cast of several #Fractofusus specimens growing around (and likely absorbing nutrients from) a large mass of decaying tissue on the #Ediacaran sea floor. From Mistaken Point, #Newfoundland.

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Reposted by Utah Friends of Paleontology

H. Pettijohn @punkpaleo.bsky.social · Mar 7

Happy #FossilFriday, check out some darling crocodylomorph tracks! 200 million years ago, small and snappy distant-croc-relatives, like Protosuchus, darted and splashed along a ripple-marked lakeshore and through silty riverbeds, leaving behind their traces. (1/2)
#paleontology #ichnology

A four-toed crocodylomorph track impressed into orange-brown sandstone. The toes are wide and slightly splayed.

A four-toed crocodylomorph track preserved in orange-brown sandstone. Three of the thin toes are in sharp relief, and a smudge of a toe print has been smeared below the rest of the toes on the right.

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Reposted by Utah Friends of Paleontology

Dave Rudkin @art-h-ropod.bsky.social · Mar 7

#FossilFriday takes us back to the #Silurian (~430 MYA) for a classic example of planar close packing in nature -- a silicified favositid "honeycomb" #coral with many individual hexagonal corallites sharing adjacent walls. #FossilHill Formation, #ManitoulinIsland, #Ontario 🇨🇦 #Canada

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Reposted by Utah Friends of Paleontology

Dr Suresh Singh @palaeosingh.bsky.social · Mar 7

Presenting the skull of one of the earliest theropod #dinosaurs for this #FossilFriday, Daemonosaurus chauliodus, from the Late #Triassic of New Mexico 🇺🇸. It was unearthed from rocks of the famous Chinle Formation, which outcrops across the Southwestern USA.

#Paleontology #Science

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The skull of Daemonosaurus chauliodus at the museum at Ghost Ranch in New Mexico, USA. The snout of this basal theropod dinosaur is short and ends at the front with highly procumbent teeth.

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Reposted by Utah Friends of Paleontology

Julia McHugh @drjmchugh.bsky.social · Mar 7

Happy #FossilFriday!

Enjoy this maxillary tooth from an Allosaurus. Found in western Colorado on BLM lands. #BLMPaleo

I love this tooth! Great resorption pit with a new tooth just starting to form inside. Such a great teaching specimen!

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Reposted by Utah Friends of Paleontology

Claude ✡️🦖🦕 @cascoclauda.bsky.social · Mar 7

happy #fossilfriday! this is parapuzosia, a giant ammonite from late cretaceous africa, europe, and north america. it is the largest ammonite currently known, with some estimates putting its weight at over a tonne
(art by callum pursall)

art of parapuzosia in a murky underwater environment, surrounded by marine flora and some very small fish

a photo of a parapuzosia fossil, which is 1.8 metres in diameter, with a woman standing next to it for scale

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Reposted by Utah Friends of Paleontology

Amy Atwater @maryanningsrevenge.bsky.social · Mar 7

My first book, The Fossil Keeper’s Treasure, is out now! It’s illustrated by the amazing Nat Cardozo. Each page features embossed fossils you can touch.

Every fossil tells a story, and every scientist started out as a curious kid.

I can’t believe it’s finally here!

#fossilfriday #booksky

A paleontologist is outside holding a children’s book called “The Fossil Keeper’s Treasure” with a dinosaur poking its head in the background.

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Utah Friends of Paleontology @utahpaleo-ufop.bsky.social · Mar 7

Hadrosaur skin impressions with dorsal osteoderms at the Natural History Museum of Utah. Many hadrosaur fossils found at Grand Staircase-Escalante National Monument include skin impressions. #FossilFriday

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Utah Friends of Paleontology @utahpaleo-ufop.bsky.social · Mar 6

Dr. Jim Kirkland presents "Eggs, Nests, and Dinosaur Behavior: Evidence from the Morrison Formation, Colorado Plateau" at the February Great Basin UFOP Chapter meeting in SLC. #paleontology #jurassic www.youtube.com/watch?v=t4W1...

Eggs, Nests, and Dinosaur Behavior: Evidence from the Morrison Formation, Colorado Plateau

YouTube video by Utah Friends of Paleontology

www.youtube.com

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Reposted by Utah Friends of Paleontology

Marcos K. Pinheiro / "Marcos Wyvern" (Marcosaurus) @mmarcosaurus.bsky.social · Feb 28

link.springer.com/article/10.1...

Trauma-induced alterations in the exoskeleton of glyptodonts (Cingulata, Xenarthra) associated with fighting behavior - Journal of Mammalian Evolution

Alterations in the exoskeleton of glyptodonts that were produced during their lifetime can provide valuable insights into their behavior. By examining the exoskeletons of well-known glyptodont genera ...

link.springer.com

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Reposted by Utah Friends of Paleontology

Dr. Jim Lehane @jazinator.bsky.social · Feb 28

A public lands protest will take place this Saturday, March 1st, at the Dinosaur National Monument entrance (Utah side), in support of federal employee community members who have recently lost their jobs.

#PleaseShare

#Paleontology #Dinosaurs #NationalParks

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Utah Friends of Paleontology @utahpaleo-ufop.bsky.social · Feb 7

Please note that the location for the meeting has been changed from the Utah Core Center to the main Department of Natural Resources building. The map at the link above has been updated.

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Utah Friends of Paleontology @utahpaleo-ufop.bsky.social · Feb 3

Join the Great Basin Chapter of Utah Friends of Paleontology for a hybrid meeting Thurs. Feb. 13 at 7 PM. Jim Kirkland — Utah’s State Paleontologist will present: Eggs, Nests, and Dinosaur Behavior: Evidence from the Morrison Formation.
In-person & online. tinyurl.com/36994wwn

Utah State Paleontologist Jim Kirkland standing near a reconstruction of a Utahraptor skeleton at the Museum of Ancient Life in Lehi, UT.

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Utah Friends of Paleontology @utahpaleo-ufop.bsky.social · Jan 25

If any Salt Lake City area UFOP members (or wannabes) would like to help staff our table at NHMU's Dinofest Saturday and/or Sunday, February 25 & 26, please sign up here: forms.gle/AGhXEMrK6ShG... #FossilFriday #scienceoutreach #utahpaleontology You'll get a badge and Museum pass. Thanks!

Dr. Jim Kirkland, Utah State Paleontologist and Ethan Cowgill talking with visitors to the UGS and UFOP tables at the Natural History Museum of Utah's Dinofest event.

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Reposted by Utah Friends of Paleontology

Steve Brusatte @stevebrusatte.bsky.social · Jan 24

Full description of our Scottish pterosaur, Dearc!
The final piece of @nataliajagielska.bsky.social 's PhD in Edinburgh. Natalia did a sublime job working on Dearc, becoming a world expert on pterosaurs along the way.
Read her work 👇 (open access!)

Natalia Jagielska @nataliajagielska.bsky.social · Jan 24

Dearc sgiathanach, one of the largest well-preserved pterosaurs from the Jurassic, now fully analysed! The description of this toothy Scottish fella, hot off the press, hit BMC E&E. But what does it tell us about pterosaurs? 🤔

bmcecolevol.biomedcentral.com/articles/10....

Dearc skeleton photograph by Greg Funston

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Reposted by Utah Friends of Paleontology

Robert Gay @paleorob.bsky.social · Jan 24

Happy #FossilFriday everyone! This is a #3Dprint of a bone from the #Triassic Thaynes Formation of #Idaho. Originally described as a skull bone from an #ichthyosaur, it turns out not to be. Come talk to @garyonyx-mcgoy.bsky.social and me at @nhmu.bsky.social #DinoFest this weekend! #IdahoPaleo

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Reposted by Utah Friends of Paleontology

Ben Miller @extinctmonsters.bsky.social · Jan 24

*motorcycle noises* #FossilFriday

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Reposted by Utah Friends of Paleontology

Scott Williams @museumguyscott.bsky.social · Jan 24

Famous #WillowCreekAnticline #EggMountain #TwoMedicine @museumoftherockies.bsky.social Locality named #Geoheritage site! www.bozemandailychronicle.com/news/interna...

Montana dinosaur nesting grounds named International Geoheritage Site

For much of the 20th century, dinosaurs had been thought of as lumbering, lizard-like animals. The surprising findings at Egg Mountain suggested dinosaurs were more dynamic and social than previously

www.bozemandailychronicle.com

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Reposted by Utah Friends of Paleontology

Robert Boessenecker, Dr. of Whaleontology ™️ @coastalpaleo.bsky.social · Jan 24

Accidental Flavian hair

Durotriges Dig @durotrigesdig.bsky.social · Jan 24

An ammonite fossil, probably carved into a face during the Late Iron Age / Romano British period, with hair ingeniously styled from the shell

A #FindsFriday / #FossilFriday crossover 🤩

📷 Feb 2022

Found at Great Bedwyn and a favourite find in the always excellent @wiltshiremuseum.bsky.social

A fossil ammonite carved into a face during the Late Iron Age or Roman period

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