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Female (top) and male (below) of the ostracod Cypideis salebrosa.

Scientists Understand the Role of Sexual Selection in Extinction

Teeth from the Gadoufaoua deposit (Niger). The scale bar represents 2 cm. From left to right: teeth of a giant crocodile, Sarcosuchus imperator, a spinosaurid, a non-spinosaurid theropod (abelisaurid or carcharodontosaurid), a pterosaur, a hadrosaurid (a herbivorous dinosaur), a pycnodont (fish), and a small crocodylomorph.

The dinosaur menu, as revealed by calcium

Shonisaurus

Giant ichthyosaur is one of largest animals ever

Ichthyosaur

Prehistoric reptile pregnant with octuplets

The 170 million-year-old tracks were made in a muddy lagoon off the north-east coast of what is now the Isle of Skye Credit: University of Edinburgh/PA Wire

World’s largest dinosaur found in Scotland

This image depicts a reconstruction of what the extinct monitor lizard might have looked like.

Extinct monitor lizard had four eyes, fossil evidence shows

Dinosaur

New Patagonian predator sheds light on mysterious meat-eating dinosaur group

Back at the lab, the researchers found the fossil glowed under a black light

Researchers investigate ‘baby’ tyrannosaur fossil unearthed in Montana

scorpionfly fossil

Fossils highlight Canada-Russia connection 53 million years ago

Arkansaurus fridayi

New Ornithomimosaur from Arkansas Described

Paratirolites

Mass extinction with prior warning

Isisfordia duncani

Cretaceous croc had steamy past

Teleocrater, an early dinosaur relative, is shown feeding on Cynognathus, while hippo-like dicynodonts look on. All of these animals lived in the mid-Triassic of Tanzania, about 240 million years ago.

Decade of fossil collecting gives new perspective on Triassic period, emergence...

yeti crab

Deep-sea wildlife more vulnerable to extinction than first thought

Head of Nasutoceratops.

Dinosaur frills and horns did not evolve for species recognition

Top: A medaka fish with normal dorsal and paired pectoral/pelvic fins. Bottom: When the ZRS and sZRS enhancers are knocked out, the fins do not develop normally.

Genetic analysis uncovers the evolutionary origin of vertebrate limbs

Colobops noviportensis

Paleontologists put the bite on an ancient reptile from New England

Undead T. rex.

The curse of zombie fossils

Ichthyosaur skeleton

Are palaeontologists naming too many species?

The first evidence of human life in the Olorgesailie Basin comes from about 1.2 million years ago. For hundreds of the thousands of years, people living there made and used large stone-cutting tools called handaxes (left).

Scientists discover evidence of early human innovation, pushing back evolutionary timeline

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