Paleontology News

Callichimaera perplexa. Image credit: Elissa Martin, Yale Peabody Museum of Natural History.

Meet Callichimaera perplexa, Strangest Crab that Has Ever Lived

Apr 25, 2019 by News Staff

An international team of paleontologists has found the exceptionally preserved fossilized remains of an enigmatic new type of crab, Callichimaera perplexa,...

Simbakubwa kutokaafrika, a hyaenodont that was larger than a polar bear. Image credit: Mauricio Anton.

Carnivorous Mammal Larger than Polar Bear Once Roamed Kenya

Apr 19, 2019 by News Staff

A gigantic meat-eating mammal has been discovered — after its jaw, portions of its skull, and parts of its skeleton spent several decades sitting...

Skull and mandible of Gobihadros mongoliensis in left lateral (A), dorsal (B), ventral (C), and posterior (D) views. Abbreviations: an - angular, ar - articular, at - atlas, atr - atlantal rib, ax - axis, boc - basioccipital, bsp - basisphenoid, cop - coronoid process, c3 - 3rd cervical vertebra, d - dentary, exo - exoccipital, f - frontal, gl - glenoid for the lateral quadrate condyle, hy - hyoid, j - jugal, l - lacrimal, mx - maxilla, n - nasal, p - parietal, pa - palpebral, pat - proatlas, pd - predentary, pf - prefrontal, pl - palatine, pm - premaxilla, po - postorbital, poc - paroccipital process, pt - pterygoid, q - quadrate, qj - quadratojugal, rap - retroarticular process, s - surangular, scl - sclerotic ring, soc - supraoccipital, sq - squamosal, v - vomer. Image credit: Tsogtbaatar et al, doi: 10.1371/journal.pone.0208480.

New Dinosaur Species Uncovered in Mongolia

Apr 18, 2019 by News Staff

Paleontologists in Mongolia have discovered a new species of hadrosauroid dinosaur that roamed what is now the Gobi Desert approximately 90 million years...

The discovery of a spike of mercury in 252-million-year-old rock at locations around the world gives evidence for the prevailing theory that volcanic eruptions caused the end-Permian extinction. Image credit: Margaret Weiner / University of Cincinnati Creative Services.

Volcanic Eruptions Caused End-Permian Extinction, New Evidence Confirms

Apr 17, 2019 by News Staff

An international team of paleontologists from China and the United States has found high levels of mercury in the end-Permian marine sediments at nearly...

An artist’s interpretation of ancient North American fauna. The new study revealed that elephant-like gomphotheres, rhinos, horses and antelopes with slingshot-shaped horns were among the species recovered near Beeville, Texas, by Great Depression-era fossil hunters. Image credit: Jay Matternes / Smithsonian Institution.

Rhinos, Gomphotheres, Camels, Horses, Antelopes and Alligators Lived in Ancient ‘Texas Serengeti’

Apr 17, 2019 by News Staff

Dr. Steven May, a paleontology research associate at the University of Texas at Austin, has studied and identified an extensive collection of fossils from...

Minisauripus: natural impression (A) and cast (B) of track TL 2 showing area enlarged in frame F; note skin traces in hypex area between digits II and III; (C) natural cast of track TR1, showing area enlarged in frame E; note narrow, digit II intersecting raindrop impressions; (D) isolated track t; note skin traces in hypex area between digits II and III; E and F details of skin trace ornament in 2.0 x 2.0 mm areas of digits IV and II respectively from tracks TL2 and TR1; casts show in frames B-F are essentially replicas of the living foot. Image credit: Kim et al, doi: 10.1038/s41598-019-38633-4.

Paleontologists Find Exquisitely-Preserved Dinosaur Skin Traces

Apr 15, 2019 by News Staff

Several footprints and exquisitely-preserved skin impressions made by a small theropod dinosaur approximately 120 million years ago (Aptian age of the...

Fossils of Silurian Sea Cucumber Found in UK

Apr 12, 2019 by News Staff

An international team of paleontologists has found the remains of an extinct sea cucumber in 430 million-year-old (Silurian period) fossil-rich deposits...

New Species of Extinct Pig-Footed Bandicoot Discovered

Apr 9, 2019 by News Staff

An international team of researchers from Australia and the United Kingdom has discovered a new species of pig-footed bandicoot which has been extinct...

Peregocetus pacificus. Image credit: A. Gennari.

Four-Legged ‘Whale’ Lived in Peru 43 Million Years Ago

Apr 5, 2019 by News Staff

A new species of ancient whale ancestor has been identified from a fossilized skeleton found in Peru. This illustration shows an artistic reconstruction...

The Chicxulub impact 66 million years ago generated a tsunami-like wave in an inland sea that killed and buried fish, mammals, insects and a Triceratops, the first victims of a cataclysm that led to Earth’s last mass extinction. Image credit: Robert DePalma.

66-Million-Year-Old Fossil Site Preserves Animals Killed within Minutes of Chicxulub Impact

Apr 3, 2019 by News Staff

At a site dubbed Tanis in North Dakota’s Hell Creek Formation, paleontologists have unearthed an assemblage of exquisitely-preserved fossilized organisms...

Reconstruction of the American mastodon (Mammut americanum). Image credit: Sergio De la Rosa Martinez / CC BY-SA 3.0.

Pacific Mastodon: New Species of Ancient Elephant Relative Identified

Apr 1, 2019 by Enrico de Lazaro

A new species of mastodon that lived during the Pleistocene period has been identified from fossil found in California and Idaho. The Pacific mastodon...

A reconstruction of early Cambrian ocean life in South China. Image credit: Dongjing Fu.

Paleontologists Discover 518 Million-Year-Old Fossil Site in China

Mar 26, 2019 by News Staff

Animal life exploded in diversity and form during the Cambrian period about 500 million years ago. An international team of paleontologists has discovered...

Scotty is the largest dinosaur skeleton ever found in Canada. Image credit: Amanda Kelley.

Meet Scotty, World’s Largest Specimen of Tyrannosaurus rex

Mar 25, 2019 by News Staff

The world’s biggest known Tyrannosaurus rex — one of the largest and most fearsome carnivores of all time — lived about 66 million years...

An artist’s impression of an asteroid hitting the Earth. Image credit: State Farm / CC BY 2.0.

Evidence from Chile Supports Younger Dryas Extraterrestrial Impact Hypothesis

Mar 20, 2019 by News Staff

The Younger Dryas impact hypothesis, also known as Clovis comet hypothesis, posits that the hemisphere-wide debris field of a large, disintegrating asteroid...

Yamagata et al succeeded in observing the signs of the biological activity of 28,140-year-old mammoth nuclei in mouse oocytes. In this image, proteins that form chromosomes (red) and proteins that form dividing spindles (green) gather around a mammoth cell nucleus (upper right) in the mouse oocyte. Image credit: Yamagata et al, doi: 10.1038/s41598-019-40546-1.

Researchers ‘Revive’ Woolly Mammoth Cell Nuclei

Mar 14, 2019 by Enrico de Lazaro

In 2010, the 28,140-year-old partial carcass of a woolly mammoth (Mammuthus primigenius), nicknamed ‘Yuka,’ was found in Siberian permafrost. Now a...

New Species of Plant-Eating Dinosaur Discovered in Australia

Mar 11, 2019 by News Staff

Paleontologists in Australia have found fossil fragments from a new genus and species of ornithopod dinosaur that walked the Earth during the Early Cretaceous...

The Pan-American sloth (Eremotherium laurillardi). Image credit: Sergio de la Rosa / CONABIO / CC BY-SA 4.0.

27,000-Year-Old Tooth of Giant Ground Sloth Sheds Light on Animal’s Diet and Climatic Exposure

Mar 8, 2019 by News Staff

By analyzing a tooth from the first fossil remains of the extinct Pan-American sloth (Eremotherium laurillardi) found in Belize, a team of paleontologists...

Reconstruction of Late Maastrichtian (66 million years ago) paleoenvironment in North America, where a floodplain is roamed by dinosaurs like Tyrannosaurus rex, Edmontosaurus and Triceratops. Image credit: Davide Bonadonna.

Dinosaurs Were Unaffected by Climate Change, Flourished before Asteroid Strike, Paleontologists Say

Mar 6, 2019 by News Staff

Paleontologists largely agree that the Chicxulub asteroid impact, possibly coupled with intense volcanic activity in India’s Deccan Traps, wiped out...

The skull of Culebratherium alemani. Image credit: Aaron Wood.

Ancient Tusked Sea Cow Unearthed in Panama

Mar 1, 2019 by News Staff

The remarkably complete fossil skeleton of a sea cow with large incisor tusks that lived approximately 20 million years ago (Miocene epoch) has been discovered...