Earth Life In Proterozoic Era
Earliest records of earth life Proterozoic era deposited sediments one and one half billion years ago; minute single celled plants, similar to hot-springs algae from Pre-cambrian, mid to late 20th century. Painting by Charles R. Knight. (Photo by Ron Testa/Field Museum Library/Getty Images)
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Credit:
Editorial #:
111995652
Collection:
Premium Archive
Date created:
January 01, 1980
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Release info:
Not released.ÌýMore information
Source:
Premium Archive
Object name:
T1635345_027
Max file size:
3419 x 2687 px (11.40 x 8.96 in) - 300 dpi - 8 MB