red circle of petrified wood with a black rim and central line
the Eye of Sauron watching us survey for endangered cacti. #fossilfriday #triassicpark 🧪🦖
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#triassicpark
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A blue pick axe next to a brown slab of rock with long ripples
A small footprint and handprint of a little reptile preserved in rock
The Chinle Formation - come for the climbing ripples, stay for the reptile footprints. #FossilFriday #triassicpark 🧪🦖
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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 🦖🧪
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Gray mudstone surrounding tan fossil bones on a blue table
Red outline of the front 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 🦖🧪
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We begonnen de dag met poep, fossiele poep gelukkig: coprolieten. Daarnaast is er een keverschildje gevonden, heel veel schelpjes en slangsterretjes. Mijn eigen grote trots deze eerste ochtend is een insectenvleugel! @uugeo.bsky.social @naturalis.bsky.social @vuamsterdam.bsky.social #TriassicPark
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Yellowish bones in a gray mudstone
An awl pointing to the tips of brown fossil teeth
Cast of the skull of Postosuchus
A green tarp with rocks and tools over the bones
#fossilfriday brings you an associated rauisuchid skull from Petrified Forest National Park. #triassicpark 🧪🦖
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A rectangular fossil made of many pieces glued together with numbers on nearly every piece.
Pro tip: try to reassemble the fossil before you paint and write numbers on it. An aetosaur osteoderm from @petrifiedNPS. #FossilFriday #triassicpark 🦖🧪
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Two researchers in white suits standing near blue and brown rocks
A park ranger wearing a respirator holding up a Geiger counter
A researcher photographing sandstone cliff outcrop
Out with researchers from Rutgers and Columbia collecting samples at inactive uranium mines in @PetrifiedNPS to look at U and Se concentrations in soils, vegetation, and petrified wood. #FossilFriday #triassicpark 🦖🧪
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Pictures of two upper leg bones from a large Triassic reptile
I’ve reassembled a MASSIVE Typothorax-like aetosaur femur we collected from @PetrifiedNPS last summer. Here it is (left) compared to that of Typothorax @ucmpberkeley UCMP 122674 (right) as figured by Long and Murry 1995. #FossilFriday #triassicpark 🧪🦖
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