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A long museum case set in the wall. From left to right, it contains saurischian dinosaur skulls, a saurischian pelvis, an ornithischian pelvis, and ornithischian skulls.

A long museum case set in the wall. From left to right, it contains saurischian dinosaur skulls, a saurischian pelvis, an ornithischian pelvis, and ornithischian skulls.

Closer look at the Centrosaurus and Triceratops skulls from the ornithischian side. There’s a bed of gravel beneath them and sparse text printed on the back wall.

Closer look at the Centrosaurus and Triceratops skulls from the ornithischian side. There’s a bed of gravel beneath them and sparse text printed on the back wall.

The saurischian side with Diplodocus skull and Allosaurus skull + pelvis

The saurischian side with Diplodocus skull and Allosaurus skull + pelvis

Edmontosaurus pelvis and skull, plus juvenile Corythosaurus skull

Edmontosaurus pelvis and skull, plus juvenile Corythosaurus skull

I really enjoy the sparse look of this Saurischian vs Ornithischian exhibit that was at the Smithsonian NMNH in the 60s and 70s. Can you spot how many of these fossils are still on display? #FosailFriday

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Happy #FosailFriday
This #chione shell has multiple mysterious traces:
Borings that have penetrated in, probably a taphonomic artifact
Burrow with a reinforced roof that protrudes over the shell
Paired #polydorid entry borings. 
The latter suggest that this is indeed a polydorid trace

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