Happy The earliest fossils of Ursus americanus are from the early Pleistocene (Irvingtonian). Researchers think they arrived in North America during a dispersal event from Eurasia. By the late Pleistocene (Rancholabrean) they were widespread.

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New: De Santi et al. – A new Pleistocene Ctenomys and divergence dating of the hyperdiverse South American rodent family Ctenomyidae https://t.co/frhqlnNChA

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[#Palevol] A of dog from the Early Pleistocene site of Venta Micena (Orce, Baza Basin, 🇪🇸).

🔗 https://t.co/KeanrLasM7
▪️ , Paul Palmqvist, Joan Madurell-Malapeira & M. Patrocinio Espigares

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The Zeeland Ridge Neanderthal was discovered in sediments extracted from the bottom of the North Sea. This is the first Pleistocene fossil hominin found under seawater. The partial frontal bone shows a lesion caused by an epidermoid cyst.
https://t.co/6c1NsFVoGe

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Another project I will be working on the next days, about the Chauvet Cave Lions

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Study led by researcher and used collections to show that gray in survived ice-age extinction by adapting diet over thousands of years - from horses during Pleistocene, to caribou and moose today. https://t.co/9gzGvLiUZ7

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How long have humans had the ability to reshape ecosystems? Our project -recently funded by - aims to find out! We are testing the hypothesis that carnivory by Homo erectus caused Pleistocene mammal extinctions (1/4) [Photo cred: Karen Carr Studios/]

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The story of Middle Pleistocene Homo erectus is a fascinating case in the history of science. Fossil hominins from the lower cave at Zhoukoudian, China, are Middle Pleistocene in age, and were the model of Homo erectus from the 1950s up to the 1980s.

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Procoptodon goliah - An extinct species of kangaroo that lived in Pleistocene Australia. Strong evidence suggests that this kangaroo didn’t hop, but walked or run to move around.

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Desmodus Draculae (2016)

...an extinct species of vampire bat that inhabited South America during the Pleistocene, and possibly the early Holocene. It was 30% larger than the common vampire bat.

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Finished this Lestodon piece, really happy with how it came out!

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Results from the
Anteosaurus (for ), Arctodus (for Levi), Homalocephalus and a Mari Lwyd (for )

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The late Middle Pleistocene skull from Kabwe, Zambia, was uncovered a century ago. Today its place in the family tree is still an open question. Its population retained ancient diversity, yet may have been connected to modern people.

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Evolutionary development of the Homo antecessor scapulae (Gran Dolina site, Atapuerca) suggests a modern-like development for Lower Pleistocene Homo https://t.co/R65bgKspHa

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The mighty Siberian duo, Elasmotherium sibiricum (Thin Plate Beast) and a Saiga antelope. Elasmotherium lived during the Late Pliocene (Piacenzian Age 2.588 MYA) to Late Pleistocene (39,000 years ago) and was named by Gotthelf Fischer von Waldheim in 1808. With four

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Pleistocene humans had bodies within the same range of sizes as living people. This hip bone from Arago, France, came from an individual of around 80 kg, not far from the weight of French men today.

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I think it's often hard to comprehend the scale of biodiversity loss in North America without proper visuals. Left: A wonderful chart of NA Holocene fauna by Fiona Reid. Right: NA biodiversity during the Rancholabrean, the last period of the Pleistocene, ending 11kya.

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About 50 years ago, paleontologists excavated a site in Baton Rouge that produced hundreds of bones, including at least 3 individual American mastodon left dentary (lower jaw), collection.

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Evolving Human Brains: Paleoneurology and the Fate of Middle Pleistocene
https://t.co/Z18aocG8in

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