A 328 million-year-old cephalopod may be the oldest in a group related to octopuses and vampire squids.
A newfound species of pterosaur, the largest on record from the Jurassic, was found on the Isle of Skye in Scotland.
Researchers in Argentina have found the skull of a previously unknown abelisaurid dinosaur.
A newly described archosaur that lived 240 million years ago in what is now Tanzania had "'powerful jaws and large knife-like teeth."
An extraordinary 120-million-year-old fossil bird from China reveals that the animal had a sexy but vaguely impractical tail.
These strange, long-necked Triassic beasts were able to coexist because they chowed down on different prey.
Given their coloring, the members of this spider's family are known as green cucumber spiders.
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