Sunday, July 25, 2021
Paleontology

Paleontology

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A cross-section of an 18.5 million-year-old fossil of Ampelorhiza heteroxylon. Credit: Nathan Jud/Provided
Paleontology

18.5 million year old vine fossil identified as new species

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Hesperornis image provided by the Yale Peabody Museum of Natural History. (Photo: Robert Lorenz)Hesperornis image provided by the Yale Peabody Museum of Natural History. (Photo: Robert Lorenz)
Paleontology

What can a dinosaur’s inner ear tell us? Just listen

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The last common ancestor of chimpanzees and humans represents the starting point of human and chimpanzee evolution. Fossil apes play an essential role when it comes to reconstructing the nature of our ape ancestry. Printed with permission from © Christopher M. Smith
Paleontology

Most human origins stories are not compatible with known fossils

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An enhanced image of Bicellum showing an outer wall of sausage-shaped cells enclosing an inner cell mass. Credit: Boston College
Paleontology

Microfossil found in Scottish Highlands could be a new insight into...

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"Hollywood" specimen, same species as Teratophoneus, discovered approximately two miles north of the "Rainbows and Unicorns Quarry" on Grand Staircase-Escalante National Monument. Credit: U.S. Bureau of Land Management
Paleontology

Fearsome tyrannosaurs were social animals, study shows

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Illustration showing how the three new species of fossil cloud rats might have looked. Credit: © Velizar Simeonovski, Field Museum.
Paleontology

Fossils of ‘giant cloud rats’ discovered in Philippine caves

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Rafinesquina, seen in this close-up shot, was an ancient genus of brachiopod belonging to order Strophomenida. This order survived two mass extinction events, but the second represented a ‘death sentence’ from which they were unable to recover diversity, persisting for another hundred million years as a ‘dead clade walking’ before their eventual extinction. IMAGE: Provided by Benjamin Barnes
Paleontology

New insights into mass extinctions

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Over approximately 2.5 million years, North America likely hosted 2.5 billion Tyrannosaurus rexes, a minuscule proportion of which have been dug up and studied by paleontologists, according to a UC Berkeley study. (Image by Julius Csotonyi, courtesy of Science magazine)
Paleontology

How many T. rexes were there? Billions

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The world's smallest stegosaur footprint (less than 6 cm long), Xingjiang, China. Photo credit - Lida Xing.
Paleontology

Tiny cat-sized stegosaur leaves its mark

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The Xiamaling Formation in China, which contains fossilised algae from primeval times. Credit: © Don E. Canfield
Paleontology

A new look at evolution in the oceans

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Adzebills, also close relatives of cave-rails, were large, flightless birds with big beaks that could have been used to prey on small animals or strip vegetation. Illustration courtesy of Nobu Tamura, CC BY 3.0
Paleontology

Extinct Caribbean bird’s closest relatives hail from Africa, South Pacific

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Fungi sample, hypha and sphere in a drill core sample from 540 m depth in the Siljan impact structure, scanning electron microscope image (width ~70 µm). Credit Henrik Drake.
Paleontology

Europe’s largest meteorite crater – home to deep ancient fungi

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Skeletons of four tyrannosaurid specimens tested in the study. Clockwise from above left: adult Tyrannosaurus rex “Sue” (FMNH PR 2081) (Field Museum of Natural History, Chicago, IL; photo by the Field Museum), juvenile Tyrannosaurus rex “Jane” (BMRP 2002.4.1) (Burpee Museum of Natural History; photo by A. Rowe), adult Tarbosaurus bataar (Dinosaurium exhibition, Prague, Czech Republic; photo by R. Holiš) and Raptorex kriegsteini skeletal reconstruction (LH PV18) (Long Hao Institute of Geology and Paleontology, Hohhot, Inner Mongolia, China; photo by P. Sereno). Credit: Listed in caption. Final image by Andre Rowe
Paleontology

Younger Tyrannosaurus Rex bites were less ferocious than their adult counterparts

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These fossil ammonites have lost their outer coating of shell, revealing the iridescent nacre beneath. Now extinct, ammonites were a group of marine mollusks that first appeared about 409 million years ago, persisting until the extinction event that wiped out the dinosaurs about 66 million years ago. Credit: Florida Museum photo by Jeff Gage
Paleontology

Rise of marine predators reshaped ocean life as dramatically as mass...

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Fossil of Dickinsonia, an Ediacaran-era animal. (Mary Droser/UCR)
Paleontology

Research shows we’re surprisingly similar to Earth’s first animals

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Reconstruction of the crown of Paratingia wuhaia sp. nov.
Paleontology

‘Pompeii of prehistoric plants’ unlocks evolutionary secret

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The asteroid impact led to the extinction of 75% of life, including all non-avian dinosaurs. Credit: Willgard Krause/Pixabay.
Paleontology

Asteroid dust found in crater closes case of dinosaur extinction

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1.2 million year old mammoth tooth from the Krestovka mammoth. Credit: Pavel Nikolskiy
Paleontology

World’s oldest DNA reveals how mammoths evolved

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Swamp Skink (Lissolepis coventryi), which is probably the living lizard most similar to the new fossil. Photo: Dr Mark Hutchinson, SA Museum / Flinders University, a co-author. Credit: Dr Mark Hutchinson, SA Museum / Flinders University
Paleontology

Proegernia mikebulli : New Australian fossil lizard

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Comet
Paleontology

The comet that killed the dinosaurs

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