Paleontology News

New Triassic Reptile Species Identified in Brazil

(A) location map of the Linha São Luiz site in Brazil and the surface distribution of the geologic units in the area; (B) general view of the Linha São Luiz site; (C) hypothetical reconstruction of the skeleton of Faxinalipterus minimus depicting in orange the preserved elements; (D) hypothetical reconstruction of the skull of Maehary bonapartei depicting some of the preserved elements. Image credit: Kellner et al., doi: 10.7717/peerj.13276.
May 5, 2022 by Enrico de Lazaro

Maehary bonapartei is considered to be the most basal of the evolutionary lineage that gave rise to pterosaurs. (A) location map of the Linha São Luiz site in Brazil and the surface distribution of the geologic units in the area; (B) general view of the Linha São Luiz site; (C) hypothetical reconstruction of the skeleton of Faxinalipterus minimus depicting in orange the preserved elements; (D) hypothetical reconstruction of the skull of Maehary...

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Retinosaurus hkamtiensis, which was approximately 3.5 cm (1.4 inches) in length, prior to being trapped in tree resin 110 million years ago. Image credit: Stephanie Abramowicz.

Lizards, Snakes, and Their Relatives Diverged 50 Million Years Earlier than Previously Thought

May 3, 2022 by News Staff

The squamates (lizards, snakes, and relatives) today comprise more than 10,000 species, and yet their sister group, the Rhynchocephalia, is represented...

Life reconstruction of Maip macrothorax. Image credit: Agustín Ozán.

New Carnivorous Dinosaur Unearthed in Argentina

May 2, 2022 by Enrico de Lazaro

Paleontologists have described a new species of large-bodied megaraptoran dinosaur from fossilized remains found in Patagonia, Argentina. Life reconstruction...

Palm bruchine tunnels in a fossil coconut fruit of the Cerrejón Formation, Colombia. Image credit: Penn State.

60-Million-Year-Old Fossil Reveals Evidence of Seed Beetle Predation on Coconuts

May 2, 2022 by News Staff

Paleontologists have found insect borings in a fruit fossil of the genus Cocos (coconuts) from the Paleocene Cerrejón Formation of Colombia. Their findings...

The habitat and animals that were found together with the giant ichthyosaurs in the Kössen Formation, Switzerland. Image credit: Heinz Furrer.

Fossils of Three Giant Ichthyosaurs Unearthed High in Swiss Alps

Apr 28, 2022 by News Staff

Unearthed in the Swiss Alps between 1976 and 1990, the fossils include the largest ichthyosaur tooth ever found. The habitat and animals that were found...

Asgard archaeon. Scale bar - 500 nm. Image credit: Imachi et al., doi: 10.1038/s41586-019-1916-6.

Eukaryotic Cells Emerged in Anoxic Environment, New Study Suggests

Apr 27, 2022 by News Staff

Since the 1960s, many scientists have argued that the emergence of eukaryotes — cells containing a clearly defined nucleus — happened in response...

An artist’s reconstruction of Tupandactylus imperator, showing the feather types along the bottom of the headcrest: dark monofilaments and lighter-colored branched feathers. Image credit: Bob Nicholls.

Pterosaurs Could Control Their Color Using Melanin Pigments

Apr 20, 2022 by News Staff

Paleontologists have examined the fossilized headcrest of Tupandactylus imperator, a species of tapejarid pterosaur that lived in north-eastern Brazil...

Hematite tubes from the NSB hydrothermal vent deposits that represent the oldest microfossils and evidence for life on Earth. Image credit: Matthew Dodd, University College London.

Diverse Microbial Life Forms Existed At Least 3.75 Billion Years Ago, Study Confirms

Apr 14, 2022 by News Staff

In 2017, paleontologists found 3.75- to 4.28-billion-year-old microscopic filaments and tubes, which appeared to have been made by iron-loving bacteria,...

Thanatotheristes degrootorum. Image credit: Julius Scotonyi, Royal Tyrrell Museum.

Mystery of Missing Apex Predators in Cretaceous North American and Asian Ecosystems Solved

Apr 13, 2022 by The Conversation

The top predator of the Jurassic and Cretaceous landscapes was usually a species of carnivorous dinosaur. These predators walked on two legs, had powerful...

The complete restored skeleton of the Triceratops horridus Big John; the fenestra analyzed by D’Anastasio et al. is indicated by the white circle. Image credit: A. Ferrara / I. Briano / D’Anastasio et al., doi: 10.1038/s41598-022-08033-2.

Cretaceous-Period Horned Dinosaur Had Combat Injuries

Apr 11, 2022 by News Staff

New research confirms the existence of intraspecific fighting in Triceratops horridus, a species of horned dinosaur that lived in North America some 69...

Murrayglossus hacketti, a giant echidna that lived in Western Australia during the Pleistocene. The largest egg-laying mammal ever discovered, this 30-kg animal may have specialized on termites. Image credit: Peter Schouten.

New Research Sheds Light on Origins of Monotremes

Mar 28, 2022 by News Staff

New research led by Australian Museum paleontologists shows that monotremes are the last survivors of a diverse set of fossil species that once roamed...

Fossil of New Duck Species Found in New Zealand

Mar 28, 2022 by Enrico de Lazaro

The newly-identified species of extinct diving duck is the fourth species in the genus Manuherikia. An artist’s impression of a Manuherikia duck. Image...

Spinosaurus aegyptiacus. Image credit: Davide Bonadonna.

Spinosaurid Dinosaurs Hunted Their Prey Underwater

Mar 24, 2022 by News Staff

By analyzing the density of bones of several spinosaurid dinosaurs and comparing them to other animals like penguins, hippos, and alligators, Field Museum...

https://cdn.sci.news/images/2022/03/image_10628-Yuxisaurus-kopchicki.jpg

New Species of Armored Dinosaur Unearthed in China

Mar 17, 2022 by Enrico de Lazaro

A new genus and species of thyreophoran dinosaur that lived during the Early Jurassic epoch has been identified from a partial skeleton with cranial and...

Life reconstruction of Diegoaelurus vanvalkenburghae. Image credit: San Diego Natural History Museum.

Saber-Toothed Mammal Fossil Unearthed in California

Mar 16, 2022 by News Staff

Paleontologists have discovered the fossilized remains of a bobcat-sized creature from a extinct lineage of carnivorous placental mammals. Life reconstruction...

Hutchemys walkerorum. Image credit: Sergey Krasovskiy.

Cretaceous-Period Softshell Turtle Lived alongside Giant Dinosaurs

Mar 14, 2022 by Enrico de Lazaro

Paleontologists have identified a new species of softshell turtle from a partial carapace found in North Dakota, the United States. Hutchemys walkerorum....

Carboniferous Vampire-Squid-Like Cephalopod Had Ten Arms

Mar 9, 2022 by Enrico de Lazaro

A new genus and species of vampyropod cephalopod — named Syllipsimopodi bideni after President Joseph Biden — has been identified from an exceptionally...

Carcharocles megalodon pursuing two prehistoric whales. Image credit: Karen Carr / CC BY 3.0.

Megalodon Grew to Larger Sizes in Cooler Waters: Study

Mar 8, 2022 by News Staff

Otodus megalodon, the largest shark that ever lived on Earth, most certainly reached at least 15 m (50 feet) in total length based on its gigantic teeth....

New Stegosaur Species Unearthed in China

Mar 5, 2022 by Enrico de Lazaro

Bashanosaurus primitivus is the earliest record of Stegosauria in Asia and represents one of the earliest records of this dinosaur group from anywhere...

Holotype of Navajosphenodon sani. Image credit: Simões et al., doi: 10.1038/s42003-022-03144-y.

Tuataras May Have Originated as Early as 190 Million Years Ago

Mar 4, 2022 by Enrico de Lazaro

Paleontologists have identified a new species of tuatara-like sphenodontian reptile from dozens of fossilized specimens found in Arizona, the United States. Holotype...

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