Paleontology News

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...

A Chinle frog, inside the jaw of a phitosaur. Image credit: Andrey Atuchin.

216-Million-Year-Old Microfossils Represent North America’s Earliest Frog

Feb 28, 2019 by News Staff

Paleontologists in Arizona have identified microfossils of what are thought to be the oldest known frog relative in North America. A Chinle frog, inside...

Moros intrepidus. Image credit: Jorge Gonzalez.

Moros intrepidus: New Deer-Sized Species of Tyrannosaur Discovered

Feb 22, 2019 by News Staff

Paleontologists have unveiled a remarkable new species of tyrannosauroid dinosaur from the Cretaceous period: a small relative of Tyrannosaurus rex. The...

Unnuakomys hutchisoni. Image credit: James Havens.

Cretaceous Marsupial Lived Above Arctic Circle

Feb 21, 2019 by News Staff

Paleontologists have uncovered a new species of marsupial that lived during the Cretaceous period above the Arctic Circle, the farthest north marsupials...

Reconstructions of land vertebrate communities through the Phanerozoic. Image credit: University of Birmingham.

Extraordinary Diversity on Land Is Not a Recent Phenomenon, Says New Study

Feb 20, 2019 by News Staff

According to new research published in the journal Nature Ecology & Evolution, land animal diversity has been similar for at least the last 60 million...

Volume rendering showing continuity between sheet and string morphologies in a single specimen. Scale bars - 1 cm. Image credit: El Albani et al, doi: 10.1073/pnas.1815721116.

Multicellular Life Began 1.5 Billion Years Earlier than Thought

Feb 19, 2019 by News Staff

Approximately 2.1-billion-year-old fossilized tracks discovered in Gabon suggest the existence of a cluster of single cells that came together to form...

Mnyamawamtuka moyowamkia in its environmental setting. Image credit: Mark Witton.

New Titanosaurian Dinosaur Unearthed in Tanzania

Feb 15, 2019 by News Staff

Paleontologists in Tanzania have found fossil fragments from a new species of giant dinosaur that walked the Earth approximately 100 million years ago...

Two fossil specimens from the extinct spider family Lagonomegopidae had reflective eyes, a feature still apparent under light. Image credit: Paul Selden.

Some Cretaceous Spiders Had Reflective Eyes, New Fossils Reveal

Feb 13, 2019 by News Staff

In a paper published in the Journal of Systematic Palaeontology, an international team of paleontologists from the University of Kansas, the Korea Polar...

Gobiraptor minutus. Image credit: Do Yoon Kim.

New Species of Oviraptorid Dinosaur Unearthed: Gobiraptor minutus

Feb 7, 2019 by News Staff

A new species of oviraptorosaur has been unearthed in the Gobi Desert of Mongolia. Gobiraptor minutus. Image credit: Do Yoon Kim. Named Gobiraptor minutus,...

Along the banks of a river, three archosaur inhabitants of the dense Voltzia conifer forest cross paths: Antarctanax shackletoni sneaks up on an early titanopetran insect, Prolacerta broomi lazes on a log, and an enigmatic large archosaur pursues two unsuspecting dicynodonts, Lystrosaurus maccaigi. Image credit: Adrienne StrouAntarctanax shackletoni. Image credit: Adrienne Stroup, Field Museum.p, Field Museum.

Iguana-Sized Reptile Roamed Antarctica 250 Million Years Ago

Feb 1, 2019 by News Staff

Some 250 million years ago (early Triassic epoch), an early relative of dinosaurs and crocodiles lived in what is now a frozen continent, Antarctica, according...

Eretmorhipis carrolldongi had a long rigid body, a small head, tiny eyes and four flippers for swimming and steering. Image credit: Gianluca Danini.

Early Triassic Marine Reptile Had Platypus-Like Bill

Jan 25, 2019 by News Staff

Eretmorhipis carrolldongi, a 28-inch (70 cm) long marine reptile that lived about 250 million years ago (early Triassic epoch) in what is now China, likely...

An illustration showing what Galagadon nordquistae would have looked like in life, swimming along the river floor. Image credit: Velizar Simeonovski, Field Museum.

New Cretaceous Shark Species Discovered in South Dakota

Jan 22, 2019 by News Staff

A new species of freshwater shark that lived about 67 million years ago (Cretaceous period) has been identified from fossilized teeth found in South Dakota. An...

An artist’s impression of Basilosaurus isis. Image credit: Pavel Riha / CC BY-SA 3.0.

Huge Archaic Whale Was Top Predator in Eocene Oceans

Jan 10, 2019 by News Staff

The stomach contents preserved in an adult specimen of the archaic whale Basilosaurus isis from the site of the Wadi Al Hitan in Egypt suggest it was an...