Palaeontology

Archaeologists find an assemblage of petroglyphs alongside dinosaur tracks in Brazil

A study of the Serrote do Letreiro Site (meaning “Signpost Hill”) in Brazil’s Paraíba State has led to the discovery of an assemblage of petroglyphs alongside dinosaur tracks.

New discovery sheds light on the evolution of birds

Birds evolved from theropod dinosaurs during the Late Jurassic period, however, our knowledge of the initial stages of Avialae's evolution is limited due to a scarcity of Jurassic fossils.

World’s oldest ‘stomach stone’ fossil found on Jurassic Coast

Palaeontologists have discovered a 150-million-year-old stomach stone on England’s Jurassic Coast.

Predatory dinosaurs such as T. rex sported lizard-like lips

A new study suggests that predatory dinosaurs, such as Tyrannosaurus rex, did not have permanently exposed teeth as depicted in films such as Jurassic Park, but instead had scaly, lizard-like lips covering and sealing their mouths.

Ichthyosaur found on remote Artic island upends previous evolutionary theory

Palaeontologists have found the remains of an Ichthyosaur on the island of Spitsbergen, located in the Svalbard archipelago in northern Norway.

Researchers find a ‘fearsome dragon’ that soared over outback Queensland

Australia’s largest flying reptile has been uncovered, a pterosaur with an estimated seven-metre wingspan that soared like a dragon above the ancient, vast inland sea once covering much of outback Queensland.

New species of pseudo-horses living 37 million years ago

Although hypomorph mammals (or equids) are currently represented by only one genus ('Equus') and just a handful of species of horses, donkeys and zebras, they were more diverse during the Eocene epoch (between 56 and 33.9 million years ago).

Paleonursery offers rare, detailed glimpse at life 518 million years ago

All life on Earth 500 million years ago lived in the oceans, but scientists know little about how these animals and algae developed.

Footprints discovered from the last dinosaurs to walk on UK soil

Footprints from at least six different species of dinosaur - the very last dinosaurs to walk on UK soil 110 million years ago - have been found in Kent, a new report has announced.

Huge prehistoric croc ‘river boss’ prowled SEQ waterways

A new species of large prehistoric croc that roamed south-east Queensland's waterways millions of years ago has been documented by University of Queensland researchers.

Biodiversity devastation: Human-driven decline requires millions of years of recovery

A new study shows that the current rate of biodiversity decline in freshwater ecosystems outcompetes that at the end-Cretaceous extinction that killed the dinosaurs: damage now being done in decades to centuries may take millions of years to undo.

Mammals in the time of dinosaurs held each other back

A new study has used new methods to analyse the variability of mammal fossils, revealing extraordinary results: it was not dinosaurs, but possibly other mammals, that were the main competitors of modern mammals before and after the mass extinction of dinosaurs.

Dinosaurs that hunted in the dark

Today's 10,000 species of birds live in virtually every habitat on Earth, but only a handful have adaptations enabling them to hunt active prey in the dark of night.

Extinct ‘horned’ crocodile gets new spot in the tree of life

A study led by scientists at the American Museum of Natural History has resolved a long-standing controversy about an extinct "horned" crocodile that likely lived among humans in Madagascar.

Palaeontologists find duckbilled hadrosaurid species

An international team of paleontologists has identified a new genus and species of hadrosaur or duck-billed dinosaur, Yamatosaurus izanagii, on one of Japan's southern islands.

Study suggests tyrannosaurs were social animals

The fearsome tyrannosaur dinosaurs that ruled the northern hemisphere during the Late Cretaceous period (66-100 million years ago) may not have been solitary predators as popularly envisioned, but social carnivores similar to wolves, according to a new study.

Tiny cat-sized stegosaur leaves its mark

A single footprint left by a cat-sized dinosaur around 100 million years ago has been discovered in China by an international team of palaeontologists.

Insight into the Evolution of Bones

Whether fish, fowl, or mammal, all vertebrates have an internal skeleton of bones. In almost all vertebrates (with the exception of certain bony fish), the bone consists of a complex composite of minerals, proteins, and living bone cells (osteocytes) entrapped in the bone matrix.

New Predator Carnivore Discovered From the Late Cretaceou

Research published today in the peer-reviewed Journal of Vertebrate Paleontology describes a newly discovered species of dinosaur - named the 'one who causes fear', or Llukalkan aliocranianus.

Discovery of a ‘Winged’ Shark in the Cretaceous Seas

93 million years ago, bizarre, winged sharks swam in the waters of the Gulf of Mexico. This newly described fossil species, called Aquilolamna milarcae, has allowed its discoverers to erect a new family.

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