Related topics: teeth · fossil

Weird Australian hammer-tooth marsupial fossil found

(PhysOrg.com) -- Fossils of bizarre lizard-like, snail-eating marsupials have been discovered by UNSW palaeontologists in an ancient fossil field in the Riversleigh World Heritage area in Queensland. The fossils date back ...

Why certain fishes went extinct 65 million years ago

Large size and a fast bite spelled doom for bony fishes during the last mass extinction 65 million years ago, according to a new study to be published March 31, 2009, in the Proceedings of the National Academy of Sciences.

Fossil fragments reveal 500-million-year-old monster predator

Hurdia victoria was originally described in 1912 as a crustacean-like animal. Now, researchers from Uppsala University and colleagues reveal it to be just one part of a complex and remarkable new animal that has an important ...

Occupational hazards for ancient Egyptian scribes

Repetitive tasks carried out by ancient Egyptian scribes—high-status men with the ability to write who performed administrative tasks—and the positions they sat in while working may have led to degenerative skeletal changes, ...

New, small, ancient crocodile-like reptile described in Brazil

The discovery of a new, ancient, predatory reptile dubbed Parvosuchus aurelioi—part of a group of crocodile-like reptiles called pseudosuchians—in Brazil is described in a paper in Scientific Reports. The specimen, which ...

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