Wednesday, February 15, 2012

[Geology2] Oldest Animal Discovered



I love when that happens . . .

>  Oldest Animal Discovered

> Microscopic, sponge-like African fossils could be the earliest known 
> animals--and possibly our earliest evolutionary ancestors, scientists say. The 
> creature, Otavia antiqua, was found in 760-million-year-old rock in Namibia 
> anwas as tiny as it may be important.

> "The fossils are small, about the size of a grain of sand, and we have 
> found many hundreds of them," said study leader Anthony Prave, a geologist at 
> the University of St. Andrews in the U.K. "In fact, when we look at thin 
> sections of the rocks, certain samples would likely yield thousands of 
> specimens. Thus, it is possible that the organisms were very abundant."

> From these tiny "sponges" sprang very big things, the authors suggest. As 
> possibly the first multicellular animals, Otavia could well be the 
> forerunner of dinosaurs, humans-basically everything we think of as "animal."

>
 Read more:
http://ow.ly/8YIa0



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