Tuesday , October 16 2018

Paleontogly

World’s Oldest Flying Squirrel Fossil Discovered

An international team of paleontologists has found the world’s oldest flying squirrel fossil — an 11.63-million-year-old specimen of an extinct species called Miopetaurista neogrivensis — at the Abocador de Can Mata site in Barcelona, Catalonia, Spain. Life appearance of the fossil flying squirrel Miopetaurista neogrivensis showing the animal ready to …

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New Sauropod Dinosaur Unveiled: Lingwulong shenqi

Fossils of a diplodocoid sauropod dinosaur unearthed more than a decade ago in Ningxia Hui Autonomous Region, northwest China, have been recognized as belonging to a new species. An artist’s impression of Lingwulong shenqi. Image credit: Zhang Zongda. Lingwulong shenqi, which lived approximately 174 million years ago (Middle Jurassic epoch), …

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Giant Dinosaur Foot Proclaimed Largest Ever Discovered

A fossilized dinosaur foot believed to be the largest in the world has been unearthed in Weston County, Wyoming, the United States. This illustration shows a Brachiosaurus eating from an Araucaria tree. These dinosaurs had enormous necks and relatively short tails. The animal to which the foot belongs was nearly …

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Cretaceous Alaska Was ‘Superhighway’ for Migrating Dinosaurs, Paleontologists Say

Paleontologists have discovered the first North American co-occurrence of hadrosaur and therizinosaur tracks, providing more evidence that Alaska was the ‘superhighway’ for dinosaurs between Asia and western North America 65-70 million years ago (Late Cretaceous epoch). Life reconstruction of hadrosaur-therizinosaur co-occurrence based on tracks described in this study. Image credit: …

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Research Sheds New Light on How Cave Bears Became Vegetarians

A Middle Pleistocene cave bear, also known as the Deninger’s bear (Ursus deningeri), is generally regarded as the direct ancestor of the mostly vegetarian cave bear (Ursus spelaeus), and the transition between the two species took place around the Middle-Late Pleistocene boundary, about 126,000 years ago. Until now, very little …

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Two New Alvarezsaurian Dinosaurs Unearthed in China

Paleontologists in China have found fossil fragments from two new dinosaur species — named Xiyunykus pengi and Bannykus wulatensis — that walked the Earth approximately 120 million years ago (Cretaceous period). Xu et al report two new Early Cretaceous alvarezsaurian theropods representing transitional stages in alvarezsaurian evolution. The analyses indicate …

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