50.3 MB (50.0 MB compressed)
4809 x 3654 pixels
40.6 x 31.0 cm ⏐ 16.0 x 12.2 in (300dpi)
JOHN SIBBICK / SCIENCE PHOTO LIBRARY JOHN SIBBICK / SCIENCE PHOTO LIBRARY
Creatures of the Burgess Shale. Computer illustration showing five different prehistoric invertebrates whose fossils were found in the Burgess Shale - a fossil-bearing deposit exposed in the Canadian Rockies of British Columbia, Canada. The Burgess Shale is famous for the exceptional preservation of the soft parts of its fossils. All these creatures lived around 508 million years ago, during the Middle Cambrian Period.
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