100 Word Post: Hurdia victoria
100 Word Post: Hurdia victoria avatar

By , on March 23rd, 2009 2 comments   Adaptations, Biology, Geology, New Research, New Species, Organisms, Paleobiology   , , , , , , , , , , , , ,  

Illustration of Hurdia victoria by Marianne Collins. This marine predator lived 500 million years ago and reveals clues to the origins of arthropods. © J B Caron Royal Ontario Museum Anomalocaris ruled the Cambrian seas but apparently so did a twenty centimenter cousin. Hurdia victoria, originally described in 1912, was known from just a jumble . . . → Read More: 100 Word Post: Hurdia victoria

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Deep corals are old as the hills, archives of climate change
Deep corals are old as the hills, archives of climate change avatar

By , on April 30th, 2008 11 comments   Coral   , , ,  

The coelenterates, corals and their relatives, are very ancient, and in fact may be the oldest metazoans. Proterozoic burrows preserved in the Mackenzie Mountains of Northwest Canada were probably made by animals resembling cerianthid anemones, and are about one billion years old. . . . → Read More: Deep corals are old as the hills, archives of climate change

Deep corals are old as the hills, archives of climate change avatar

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