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New fossils demonstrate that powerful eyes evolved in a twinkling
Date:6/29/2011

ng food and shelter, there must have been tremendous evolutionary pressure to elaborate and refine visual organs.

Who owned them?

As the fossil eyes were found isolated, it's not certain what animal they came from, but they probably belonged to a large shrimp-like creature. The rocks containing the eyes also preserve a dazzling array of ancient marine creatures, many new to science. They include primitive trilobite-like creatures, armored worms, and large swimming predators with jointed feeding appendages.

More pixels: more chance of survival

The recently discovered fossil eyes would have seen the world with over 3000 pixels, giving its owner a huge visual advantage over its contemporaries, which would have seen a very blurry world with about 100 pixels. This is much better than the living horseshoe crab, which sees the world as 1000 pixels, but not as good as living dragonflies, which have the best compound eyes and see the world as ~28 000 pixels.


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Contact: Crispin Savage
crispin.savage@samuseum.sa.gov.au
61-434-603-175
University of Adelaide
Source:Eurekalert  

Page: 1 2

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