Amphicyonids are popularly called "bear dogs" (despite being a separate family from either), and also have some traits in common with big cats, but at least one of them, the early Miocene Delotrochanter, had very hyena-like skull and jaws, being similarly adapted to crack bones!

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As is mentioned, sedimentology hints the Lanzhou basin of late Miocene were lushly forested. And both Y. yongdengensis(Fig.1) and faie(Fig.2) were probably forest dwellers that preferred small to medium game.
They were probably very similar to modern Cougars or Golden Cats.6/

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Auqatic sloth, marine gharials, weird and wonderful whales, penguins and giant sea birds, turtles and giant sharks. All that is part of the Pisco formation. A Miocene slice of time that deserves more attention.

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Paleovember 2022, Platybelodon! A Miocene Proboscidean with a shovel-like jaw that it used to strip bark from trees!
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Paleo Fact!

Agriotherium (Sour Beast) is an ursid from Miocene to Pleistocene Africa, North America and Eurasia! It was rather lightly-built for a bear, but made up for it with wide short jaws that had a rather high bite force! Based on its- (1/2)

Art by Joschua Knüppe!

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Paleo Fact!

Albicetus (White Whale) is a cetacean from Miocene California! Its name is in honor of Moby Dick, the famous Sperm Whale villain from Herman Melville's 1851 novel! Much like its namesake and fellow macroraptorial sperm whales, it - (1/2)

Art by Alex Boersma!

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Hi I'm an Illustrator and graphic designer with a focus on natural history. Follow for Miocene vibes✨️

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Paleo Fact!

Purussaurus (Purus Lizard) is an alligatoroid from Miocene South America! Specifically a member of the Caimaninae subfamily, it might be the largest Caiman ever discovered and one of the largest alligatoroids! A recent study has downsized- (1/2)

Art by HodariNundu!

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Hippopotamus Gorgops

Hippopotamus gorgops also called Gorgon-eyed river horse, is an extinct species of hippopotamus. It first appeared in Africa during the late Miocene, and eventually migrated into Europe during the early Pliocene. It became extinct prior to the Ice Age. Wit

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Borissiakia huangheensis (Qiu et al., 1998), a medium-sized Schizothere from Asia of Early Miocene.

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is full of amazing fossils from the including those of marine mammals.
In this scene, a bull "Metaxytherium medium" sieves the sea floor while a curious "Galeocerdo sp." investigates.

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Paleo Fact!

Platybelodon (Flat Spear Tusk) is a proboscidean from Middle Miocene Africa, Eurasia, and North America! It's probably most well-known for its distinct long, shovel-like lower jaw! It was previously thought that it'd use this- (1/2)

Art by Tomasz Jedrzejowski!

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Paleo Fact!

Lokotunjailurus (derived from the word for Cat in Turkana language) is a machairodont from Miocene Africa! It was a lion-sized cat with a lean and gracile body build! One noteworthy feature it had were its rather large dew claws on each- (1/2)

Art by Joschua Knüppe!

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Jefflodon, the true apex predator of the Miocene and is the Reason why Megalodon went extinct m.

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Fuck zodiac signs, what’s your favorite prehistoric timeline

Mine is the Miocene

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Shark bite marks in sperm whale Miocene fossils indicate targeting of lipid-rich foreheads https://t.co/KpuLfWQcDn

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Shark bite marks in sperm whale Miocene fossils indicate targeting of lipid-rich foreheads https://t.co/7HbhXNn1V8

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Rhynchotherium was a bizarre looking elephant that lived in North America during the Miocene & Pliocene.

(Credit Margret Flinsch)

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