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The Grim Raptor

@thegrimraptor.bsky.social

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Paleo nut in western Colorado

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The Grim Raptor @thegrimraptor.bsky.social · 19/06/2026

The impressively massive, shellfish crushing "bean teeth" from a variety of Placodont species. Sadly gone since the Triassic. From the Paläontologisches Museum in Munich. #fossilfriday

The fossilized jaws and massive bean shaped teeth of Placochelys placodonta.

The fossilized jaws and massive bean shaped teeth of Cyamodus muensteri.

The fossilized jaws and massive bean shaped teeth of Placodus gigas.

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The Grim Raptor @thegrimraptor.bsky.social · 19/06/2026

The impressively massive, shellfish crushing "bean teeth" from a variety of Placodont species. Sadly gone since the Triassic. From the Paläontologisches Museum in Munich. #fossilfriday

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The Grim Raptor @thegrimraptor.bsky.social · 08/03/2025

Sloth feet! #FossilFriday

Fossil foot of the ground sloth Megatherium americanum.

Fossil leg and foot of the ground sloth Mylodon.

Fossil foot of the ground sloth Scelidotherium

Fossil foot of the ground sloth Lestodon armatus

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The Grim Raptor @thegrimraptor.bsky.social · 21/02/2025

The Koala Lemur, Megaladapis edwardsi. This adorably goofy squatty body was by far the largest lemur to ever exist. They were likely driven to extinction a mere 500 years ago on a rapidly changing Madagascar. On display at the Paris Gallery of Paleontology and Comparative Anatomy. #FossilFriday

A skeletal mount of Megaladapis, climbing a tree limb in an upright posture

A human male standing next to a mounted Megaladapis for scale. The Megaladapis stands about 3 feet tall.

A Megaladapis skull in frontal view, showing the side facing orbits and long upper canine teeth.

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The Grim Raptor @thegrimraptor.bsky.social · 17/02/2025

🪿 Animal #567 🐜 I figured it out in 9 guesses! 🟨🟨🟨🟨🟨🟨🟨🟩🟩 🔥 2 | Avg. Guesses: 8 metazooa.com #metazooa

metazooa.com

Metazooa

Become an evolutionary detective to find the Mystery Animal!

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The Grim Raptor @thegrimraptor.bsky.social · 15/02/2025

Mighty Marlin. The largest and best preserved Marlin fossil in the world, found during expansion of the Panama Canal in the late 2000's. At the Biomuseo in Panama City, Panama #FossilFriday

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The Grim Raptor @thegrimraptor.bsky.social · 08/02/2025

Majestic Moropus elatus, a chalicothere from the early Miocene of Nebraska, on display at the Denver Museum of Nature and Science #fossilfriday

The front half of a skeletal mount of Moropus. Other skeletons of prehistoric mammals are visible around it.

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The Grim Raptor @thegrimraptor.bsky.social · 31/01/2025

Tapuiasaurus, Cretaceous titanosaur housed at the Museu de Zoologia da Universidade de São Paulo, Brasil. #fossilfriday #SVPOW

Skeletal mount of the sauropod dinosaur Tapuiasaurus.

Closeup photograph of the head and neck of the sauropod dinosaur Tapuiasaurus.

Isolated bones of the sauropod dinosaur Tapuiasaurus.

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