Thursday, July 7, 2022
Paleontology

Paleontology

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Tooth size comparison between extinct Early Pliocene Otodus megalodon tooth and a modern great white shark. © MPI for Evolutionary Anthropology
Paleontology

Great white sharks may have contributed to megalodon extinction

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Middle: Microscopic plankton cell-wall coverings preserved as “ghost” fossil impressions, pressed into the surface of ancient organic matter (183 million years old). Th
Paleontology

Scientists have discovered a new type of fossilization

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Examples of radiolarians, a type of microplankton. These tiny lifeforms need normal salinity seawater with plenty of nutrients including silica to grow and maintain their glassy shells. Researchers at the University of Texas Institute for Geophysics found fossilized radiolarians in geologic samples dating back 56 million years, proving that life persisted in the Gulf of Mexico despite global warming that left many oceans barren. Credit: U.S. Geological Survey
Paleontology

Research shows how Gulf of Mexico escaped ancient mass extinction

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Partial skull of Maehary bonapartei (CAPPA/UFSM 0300), left side, highlighting the maxilla. Photo: Rodrigo Temp Müller.
Paleontology

A new 225-million-year-old reptile from Brazil

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The fossil of Jurassic lizard Eichstaettisaurus. Credit: Jorge Herrera Flores
Paleontology

Researchers discover overlooked Jurassic Park of lizards

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The large, woody fruits of the Manicaria saccifera palm that depend on large animals for their dispersal. (Picture: John Dransfield, Royal Botanic Gardens, Kew)
Paleontology

Dinosaur extinction changed plant evolution

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Vertebrate bones exposed during fieldwork in the Zhebao region of Guangxi ProvinceThe arrows indicate ribs, exposed in cross-section
Paleontology

Large Mesozoic Marine Reptile Described

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An imagined scene from the end of the Cretaceous Period, more than 66 million years ago, has the newly identified softshell turtle Hutchemys walkerorum dwelling alongside iconic species from the Age of the Dinosaurs. (Image: Sergey Krasovskiy)
Paleontology

Newly identified softshell turtle lived alongside T. rex and Triceratops

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Evidence suggests an asteroid impact that killed off most dinosaurs might have happened in spring. Credit: Joschua Knüppe
Paleontology

The reign of the dinosaurs ended in spring

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Researchers discover first evidence indicating dinosaur respiratory infection
Paleontology

First evidence indicating dinosaur respiratory infection

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Illustration by Cindy Joli, Julio Francisco Garza Lorenzo, and René Dávila Rodríguez.
Paleontology

New fossil birds discovered near China’s Great Wall – one had...

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Images of different fossil remains of Abditosaurus kuehnei at the Orcau-1 site (a), the excavation process (b and c) and the neck after fossil preparation (d).
Paleontology

Large new titanosaurian dinosaur from the Pyrenees

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True body shape of the ancient Megalodon remains a mystery. (Phillip Sternes/UCR/DePaul)
Paleontology

New research bites holes into theories about Megalodons

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Erratus Sperare - the new missing link fossil
Paleontology

New fossil reveals origin of arthropod breathing system

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A 250-million-year-old fossil of a marine snail shell in pristine condition. The shell was one of the thousands examined in the study. Scale bar = 100 µm. Credit: William Foster et al.
Paleontology

Fossil snail shells offer new tool for analyzing ancient ocean chemistry

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Paleontologist Dean Lomax with the fossilized ichthyosaur. (Matthew Power Photography/Anglian Water)
Paleontology

The World’s Largest Sea Dragon Unearthed in The UK

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Natural History Museum of Los Angeles County (NHM) Dinosaur Institute volunteer Viji Shook lying next to the skull of Cymbospondylus youngorum for scale, during the preparation of the specimen. Photo by Martin Sander, courtesy of the Natural History Museum of Los Angeles County (NHM).
Paleontology

Earth’s first known giant creature

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Vectiraptor greeni, a new fierce predatory dinosaur from the Isle of Wight. Image credit: Megan Jacobs
Paleontology

An ancient relative of Velociraptor is unearthed in Great Britain

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Original artwork from scientific illustrator Emiliano Troco depicting a Brontosaurus (likely the most famous sauropod dinosaur) acting as an ecosystem engineer in a warm and vegetated landscape not dissimilar to modern-day savannah type biomes.
Paleontology

Sauropod dinosaurs were restricted to warmer regions of Earth

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Life reconstruction of a close-to-hatching oviraptorosaur dinosaur embryo, based on the new specimen “Baby Yingliang.” Credit: Lida Xing
Paleontology

Exquisitely preserved embryo found inside fossilized dinosaur egg

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