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Paleontology, Evolution, Lizard, new species, Cretaceous Period, Paleoecology, Fossil

Prized Fossil Find — the Oldest, Most Complete Iguanian in the Americas — Illuminates the Lives of Lizards in the Age of Dinosaurs

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Paleontologists at the University of Washington, picking through a bounty of fossils from Montana, have discovered something unexpected — a new species of lizard from the late dinosaur era, whose closest relatives roamed in faraway Asia.

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Fossils, Trilobites, cruziana , palaeozoic

Fossils Found Reveal Unseen ‘Footprint’ Maker

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Fossils found in Morocco from the long-extinct group of sea creatures called trilobites, including rarely seen soft-body parts, may be previously unseen animals that left distinctive fossil ‘footprints’ around the ancient supercontinent Gondwana.

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Anthropology, acheology, Bering Strait, human settlements, Yukon, Radiocarbon, PLoS ONE, Montreal

The First Humans Arrived in North America a Lot Earlier Than Believed

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Anthropologists at Université de Montréal have dated the oldest human settlement in Canada back 10,000 years.

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How the Darkness and the Cold Killed the Dinosaurs

Climate scientists now reconstructed how tiny droplets of sulfuric acid formed high up in the air after the well-known impact of a large asteroid and blocking the sunlight for several years, had a profound influence on life on Earth.

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Dinosaur Eggs Took a Long Time to Hatch; This May Have Contributed to Their Doom

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New research on the teeth of fossilized dinosaur embryos indicates that the eggs of non-avian dinosaurs took a long time to hatch--between about three and six months.

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Paleontology, Evolution, Fossil, chimaeras, Sharks, South Africa

280 Million-Year-Old Fossil Reveals Origins of Chimaeroid Fishes

High-definition CT scans of the fossilized skull of a 280 million-year-old fish reveal the origin of chimaeras, a group of cartilaginous fish related to sharks. Analysis of the brain case of Dwykaselachus oosthuizeni, a shark-like fossil from South Africa, shows telltale structures of the brain, major cranial nerves, nostrils and inner ear belonging to modern-day chimaeras.

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Research on Dinosaur Embryos Reveals That Eggs Took 3 to 6 Months to Hatch

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New research on the teeth of fossilized dinosaur embryos indicates that the eggs of non-avian dinosaurs took a long time to hatch--between about three and six months.

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Evolution, Histology, Paleontology, Biology, aerobic capacity, Dinosaurs, archosaurs, Mammals, mammals and birds, Birds, Fossils

Biologists Follow ‘Fossilizable’ Clues to Pinpoint When Mammal, Bird and Dinosaur Ancestors Became Athletes

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The study is the first to draw a link between RBC size and microscopic traces of blood vessels and bone cells inside bones. They found that extinct mammal and bird relatives had smaller RBCs and were likely better athletes than earlier terrestrial vertebrates. The timing of RBC-size reduction coincided with Earth's greatest mass extinction 252 mya.

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New Prehistoric Bird Species Discovered

A team of geologists at the University of Rochester has discovered a new species of bird in the Canadian Arctic. At approximately 90 million years old, the bird fossils are among the oldest avian records found in the northernmost latitude, and offer further evidence of an intense warming event during the late Cretaceous period.

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Amber Specimen Offers Rare Glimpse of Feathered Dinosaur Tail

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Researchers from China, Canada, and the University of Bristol have discovered a dinosaur tail complete with its feathers trapped in a piece of amber.







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