Excerpt from the February 2, 1974 difficulty of Science Information
Some trilobites had eyes with telescope-like lenses and that have been full of a whole lot of miniature eyes.
Brigitte Schoenemann
Trilobite eyes: A powerful feat of early evolution — Science Information, February 2, 1974
[Trilobites] possessed probably the most refined eye lenses ever produced…. The lens construction doesn’t correspond to any present in fashionable arthropods, because it developed when trilobites have been already a separate inventory and doomed to extinction…. Although the trilobites have been lavished by nature with this nice optical reward, there isn’t a technique to know whether or not the trilobites made full use of it.
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With some 20,000 recognized species, trilobites have been a various bunch that went extinct about 250 million years in the past. The lenses described in 1974, present in trilobites referred to as phacopids, are comparable in form to some telescope lenses. That implies phacopids might deal with objects close to and much of their discipline of view. Just lately, a fossil evaluation has discovered that the creatures’ optical reward was much more spectacular than scientists thought. Phacopids seem to have had two compound eyes, like these of flies and different bugs. However every eye contained as much as 200 smaller peepers, which might have helped the trilobites detect gentle in darkish ocean waters, researchers reported in 2021.
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