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Adam Marsh

@notthatmarsh

Lead Paleontologist at Petrified Forest National Park, Crohn’s survivor, PhD, recovering Hoosier, Arby's enthusiast. Personal account, opinions are my own.

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03.08.2023
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Latest posts by Adam Marsh @notthatmarsh

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Pepper is rightfully wondering why Marasuchus and Tanystropheus are in a scene together #theDinosaurs

08.03.2026 00:32 👍 6 🔁 0 💬 0 📌 0

Hans has Petrified Forest as a background in that interview ❤️

28.02.2026 06:08 👍 2 🔁 0 💬 1 📌 0
Night Of The Thumpasorus Peoples
Night Of The Thumpasorus Peoples YouTube video by Parliament - Topic

youtu.be/0i37GEfu7VM?...

28.02.2026 06:06 👍 1 🔁 0 💬 0 📌 0

yes

28.02.2026 06:04 👍 1 🔁 0 💬 0 📌 0

I agree but argue that crocs are actually the weirdos by deviating the most from plesiomorphic archosauriform anatomy! (except for birds)

28.02.2026 05:48 👍 1 🔁 0 💬 0 📌 0
A hand holding a rectangular brown fragment of a bony piece of armor

A hand holding a rectangular brown fragment of a bony piece of armor

Can I offer you a nice Desmatosuchus fragment in these trying times? #fossilfriday #triassicpark #alwayssunny 🦖🧪

27.02.2026 23:46 👍 33 🔁 2 💬 0 📌 0
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Gutted to lose a friend and colleague, Dr. Hans Sues. I spent the afternoon in one of his happy places- The Triassic. 🍻 Trias über alles.

23.02.2026 22:12 👍 14 🔁 2 💬 0 📌 0
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I wish I could repost from that other site.

21.02.2026 23:55 👍 1 🔁 0 💬 0 📌 0
a split rock with other stones between the two pieces

a split rock with other stones between the two pieces

who ordered the rocks on rye? #FossilFriday 🦖🧪

14.02.2026 01:06 👍 29 🔁 0 💬 3 📌 0

brandi carlile is a NATIONAL TREASURE

08.02.2026 23:32 👍 3 🔁 1 💬 0 📌 0

@timdemko.xyz did you see your shadow this morning?

02.02.2026 14:20 👍 1 🔁 0 💬 1 📌 0
Purple bones belonging to the pelvis of a Triassic reptile

Purple bones belonging to the pelvis of a Triassic reptile

During my first summer as an intern we collected its pelvis, described here: onlinelibrary.wiley.com/doi/full/10....

30.01.2026 15:36 👍 6 🔁 0 💬 0 📌 0
human holding a cast of a red reptile skull

human holding a cast of a red reptile skull

Gumby’s skull was collected in 2008 and is on exhibit at PEFO’s Rainbow Forest Museum.

30.01.2026 15:36 👍 17 🔁 3 💬 1 📌 0
a before and after photo showing a dry wash and badlands

a before and after photo showing a dry wash and badlands

throwback #fossilfriday to the “Gumby” phytosaur site: 2013 v 2026. 🧪🦖

30.01.2026 15:36 👍 21 🔁 4 💬 1 📌 0

ouchy arthritis!

28.01.2026 01:18 👍 0 🔁 0 💬 0 📌 0
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poor Placerias can’t get no respect

28.01.2026 01:18 👍 3 🔁 0 💬 0 📌 0
a magnified picture of a small triangular tooth with large denticles on the back side

a magnified picture of a small triangular tooth with large denticles on the back side

Met with a local landowner this week to organize & outline a manuscript describing the INCREDIBLE variation of Triassic reptile teeth she has been collecting and curating from her property, will be accessioned at @NMMNHS. Check out those compound denticles! #fossilfriday 🦖🧪

23.01.2026 19:09 👍 75 🔁 11 💬 3 📌 0
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I think I have a parasite #peppertime

06.01.2026 04:46 👍 4 🔁 0 💬 0 📌 0
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imagine my HORROR that we’ve been misrepresenting the Norian/Rhaetian boundary in our home.

05.01.2026 03:15 👍 8 🔁 0 💬 0 📌 0
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Fun day in the Lower Triassic with @timdemko.xyz and others!

17.12.2025 01:30 👍 25 🔁 4 💬 2 📌 1
Gray mudstone surrounding tan fossil bones on a blue table

Gray mudstone surrounding tan fossil bones on a blue table

Red outline of the front of the snout

Red outline of the front of the snout

Red outline of the side of the snout

Red outline of the side of the snout

After a few weeks of prep, individual bones are being isolated! Here is a premaxilla and maxilla. #fossilfriday #TriassicPark 🦖🧪

21.11.2025 18:12 👍 14 🔁 3 💬 0 📌 0
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Pepper LOVES this whole shutdown=daddy’s home thing

04.10.2025 19:13 👍 9 🔁 0 💬 0 📌 0
A gray white reptile skull in a black sand table

A gray white reptile skull in a black sand table

a pretty skull of the phytosaur Redondasaurus collected from the Navajo Nation and housed at @museumofnaz, on loan to PEFO #FossilFriday 🦖🧪

03.10.2025 19:40 👍 67 🔁 16 💬 2 📌 1

Nope

01.10.2025 14:38 👍 0 🔁 0 💬 0 📌 0
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shut down

01.10.2025 14:34 👍 3 🔁 0 💬 2 📌 0

raise your hand if you’ve been raptured today

23.09.2025 18:09 👍 1 🔁 0 💬 1 📌 0

Y’all remember when “binders full of women” was a scandal? How quaint.

21.09.2025 21:15 👍 4 🔁 0 💬 0 📌 0
An old green single speed bicycle leaning against furniture

An old green single speed bicycle leaning against furniture

the great Ned Colbert’s bicycle parked in the prep lab at the Museum of Northern Arizona in Flagstaff #fossilfriday 🧪🦖

19.09.2025 18:52 👍 29 🔁 1 💬 1 📌 0
A selfie with a skeletal mount of Dilophosaurus

A selfie with a skeletal mount of Dilophosaurus

When you come across an old friend… #fossilfriday #dilophosaurus 🦖🧪

12.09.2025 22:58 👍 35 🔁 1 💬 1 📌 0
Two gray fossil feet in a red rock matrix

Two gray fossil feet in a red rock matrix

Tootsie-wootsies of Coelophysis from Ghost Ranch housed at the Museum of Northern Arizona. #FossilFriday #feetpics 🦖🧪

12.09.2025 17:12 👍 36 🔁 5 💬 0 📌 0