Tag Archives: Fossil

Scientists discover an ancient wormlike creature that’s the ancestor of all animals – including us

by Doyle Rice, USA Today

Scientists have discovered a fossil of our earliest ancestor: a tiny, wormlike creature that lived about 555 million years ago, according to a new study. 

“It’s the earliest ‘bilaterian’ …. which is an organism with a front and back, two symmetrical sides and openings at either end connected by a gut,” scientists from the University of California–Riverside said in a statement.

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300m-year-old fossil is early sign of creatures caring for their young

by Nicola Davis, The Guardian

Fossil found in Canada suggests pair were curled up together in a den when they died.

Fossil hunters say they have unearthed the earliest evidence yet of four-limbed vertebrates looking after their young, after discovering the entwined remains of two lizard-like creatures preserved in an ancient plant stump.

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Feathers and Fur Fly Over Pterosaur Fossil Finding

by Nicholas St. Fleur, The New York Times

An analysis of two fossils would push back the origins of feathers by about 70 million years, but more specimens may be needed for confirmation.

Birds are famous for their colorful feathers, which they use to fly, flirt and keep warm. But long before avians ever flapped their wings, flying reptiles called pterosaurs seized the skies.

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