Related topics: fossil · birds · skeleton · mass extinction · plos one

'Pre-historic' animal shell found in Argentina

A passer-by on Christmas Day found a meter-long shell on a riverbank in Argentina which may be from a glyptodont, a prehistoric kind of giant armadillo, experts said Tuesday.

New dinosaur found in Mexico was 'very communicative'

A new species of dinosaur identified by Mexican paleontologists is believed to have been "very communicative" and used low-frequency sounds like elephants to talk to each other, a researcher said Friday.

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