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This photograph shows rocks from the Belcher Islands in Hudson Bay, Canada, from which doctoral candidate Malcolm Hodgskiss collected barite samples dating 2.02 to 1.87 billion years old. Credit: Malcolm Hodgskiss

Ancient die-off greater than the dinosaur extinction

The scans revealed many microscopic food remains including foraminifera (small amoeboid protists with external shells), small shells of marine invertebrates and possible remains of polychaete worms. Credit: Qvarnström mfl.

Filter-feeding pterosaurs were the flamingos of the Late Jurassic

Head posture if the lateral (horizontal) semi-circular canal is parallel to the ground, in hatching (A), juvenile (B) and adult (C) Psittacosaurus lutjiatunensis. Images not to scale. Credit: Claire Bullar and IVPP.

Dinosaur brains from baby to adult

A flightless dinosaur called Similicaudipteryx uses its feathers in a mating display. U of A researchers looked at how such displays may have helped dinosaurs evolve feathers that eventually allowed them to fly. Credit: Sydney Mohr

Sex appeal helped dinosaurs take flight

Ngwevu intloko skull. Credit: Kimberley Chapelle

New species of early dinosaur described from South Africa

Scientists say the femur might have belonged to a gigantic sauropod. Credit: AFP / GEORGES GOBET

Colossal dinosaur bone find in France thrills scientists

Aquilarhinus palimentus, or ‘shovel-chinned eagle nose’. Illustration by ICRA Art

Strange new species of duck-billed dinosaur identified

An artist’s rendering of Auroraceratops shows its bipedal posture as well as the beak and frill that characterize it as a member of the horned dinosaurs. Paleontologists from Penn led a team in characterizing this species, discovered in China

Small horned dinosaur from China, a Triceratops relative, walked on two...

Crittendeceratops

When the dinosaurs died, lichens thrived

Fragment of Tarbosaurus lower jaw with teeth sampled (white stripes on tooth enamel)

Tooth enamel analyses offer insights into the diet and habitat of...

A hitherto unknown type of carnivorous dinosaur measuring just over a meter and a half long that lived 90 million years ago has been identified in the Cruzeiro do Oeste municipality of southern Brazil

Desert-dwelling carnivorous dinosaur found in Brazil

Artist’s reconstruction of Isisfordia molnari.

The ancient croc that preyed on dinosaurs

Pterosaur

Pterosaur : What Is a Pterosaur?

Reconstruction of the studied pterosaur

Feathers came first, then birds

During the Early Cretaceous period (145-100 million years ago), nonavian dinosaurs likely migrated between Africa and Europe. Image adapted from research figure originally published in Systematic Biology

In hot pursuit of dinosaurs: Tracking extinct species on ancient Earth...

Phuwiangvenator and Vayuraptor were fast and dangerous predators. Although only half as long as its relative, the T. rex, Phuwiangvenator almost reached the size of an Asian elephant.

Thai dinosaur is a cousin of T. rex

An artist’s impression of Rhoetosaurus brownei, (c) Queensland Museum 2014. Credit: Konstantinov, Atuchin & Hocknull.

A high-heeled dinosaur?

a. Fossil; b. restoration, scale bar equal 10 mm; c. melanosomes of the membranous wing (mw); d. histology of the bony stomach content (bn). st, styliform element; gs, gastroliths Credit: WANG Min

New Jurassic non-avian theropod dinosaur sheds light on origin of flight...

tyrannosauroid Suskityrannus hazelae

New 3-foot-tall relative of Tyrannosaurus rex

Dinosaur

The fossilization process of dinosaur remains

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