Paleontogly

Paleontologists Find 170-Million-Year-Old Giant Pliosaur Fossil

Paleontologists in Switzerland have unearthed an exceptionally rare fossil jaw of an ancient creature known as a pliosaur. Life reconstruction of the Arisdorf pliosaur with a diver for scale. Image credit: Joschua Knüppe. Pliosaurs were a type of short-necked plesiosaur: marine reptiles built for speed compared to their long-necked cousins. …

Read More »

New Type of Fossilization Discovered

A previously unrecognized mode of fossilization of ancient microbes may explain how some of Earth’s oldest microfossils formed, according to new research. Rasmussen Muhling show that the infiltration of liquid hydrocarbons was responsible for the formation of these filamentous microfossils from the Red Dog Zn-Pb-Ag massive sulfide deposit in the …

Read More »

Paleontologists Find Fossilized Remains of Trilobite Queues

In a paper published in the journal Scientific Reports, University of Lyon’s Dr. Jean Vannier and colleagues described several fossilized clusters of Ampyx priscus, a species of trilobite that lived 480 million years ago (Ordovician period); the paleontologists interpreted the fossils as a collective behavior related to seasonal reproduction or …

Read More »

Devonian Tetrapod Had Crocodile-Like Lifestyle

Paleontologists have discovered the fossils of a new type of early tetrapod (four-limbed vertebrate) in the Komi Republic. Dubbed Parmastega aelidae, the ancient creature lived about 372 million years ago (Devonian period) and was an aquatic, surface-cruising animal. An artist’s reconstruction of the Devonian-period Sosnogorsk lagoon just before a storm. Image …

Read More »

Nearly Complete Specimen of Saurornitholestes langstoni Unearthed in Canada

A fossil site in Canada has yielded the best-preserved specimen of the dromaeosaurid dinosaur Saurornitholestes langstoni ever found. Saurornitholestes langstoni. Image credit: Jan Sovak. First scientifically described in 1978, Saurornitholestes langstoni is a carnivorous feathered dinosaur within the family Dromaeosauridae (also known as raptors). It lived approximately 76 million years …

Read More »

Giant Dinosaurs Evolved Various Brain-Cooling Mechanisms: Study

Different groups of gigantic dinosaurs had different thermoregulatory strategies to help moderate brain temperatures in the face of high heat loads, according to new research from the Ohio University’s Heritage College of Osteopathic Medicine. Gigantic dinosaurs like the sauropod Diplodocus, which weighed over 15 tons and was longer than an …

Read More »

Eocene-Epoch Stingray Had Unique Body Plan

A new species of prehistoric stingray with an exceptional anatomy, which greatly differs from living species, has been identified from fossils found in Italy. Lessiniabatis aenigmatica from the Eocene of Bolca Lagerstätte. Scale bars – 10 cm. Image credit: Marrama et al, doi: 10.1038/s41598-019-50544-y. “Stingrays (order Myliobatiformes) are a very …

Read More »