PeerJ is an open access peer-reviewed scientific mega journal covering research in the biological and medical sciences.

Website
https://peerj.com/
Impact factor
2016 (2.2)

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Rare fossil bird deepens mystery of avian extinctions

During the late Cretaceous period, more than 65 million years ago, birds belonging to hundreds of different species flitted around the dinosaurs and through the forests as abundantly as they flit about our woods and fields ...

Dinosaur brains from baby to adult

New research by a University of Bristol palaeontology post-graduate student has revealed fresh insights into how the braincase of the dinosaur Psittacosaurus developed and how this tells us about its posture.

Bird-like dinosaur is oldest unearthed in North America

A team of palaeontologists from the UK and US have identified a one of a kind 150 million year old dinosaur skeleton. The specimen has been classified as a new species to science with the discovery also raising questions ...

The ancient croc that preyed on dinosaurs

A new species of crocodile has been described from opalised fossils found at Lightning Ridge in NSW, Australia, from a fossil unearthed more than a century ago, and a second one found more than 70 years later.

New species of mastodon discovered in California

A team of researchers affiliated with several institutions in the U.S. has discovered a new species of mastodon. In their paper uploaded to the peer-reviewed journal PeerJ, the group describes discovering the new species ...

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