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Summary
| Description |
Cloudina fossils from the Precambrian of Brazil. Cloudina is famous for being one of only a few, very early fossil organisms that had a mineralized shell. It only occurs in ~uppermost Precambrian rocks (about 550 million years old), sometimes in high abundances. In the rock shown here, the dark gray, tubular structures are the Cloudina specimens. Cloudina shells consisted of a series of nested cones (<a href="http://palaeos.com/proterozoic/neoproterozoic/ediacaran/images/Cloudina.jpg" rel="noreferrer nofollow">palaeos.com/proterozoic/neoproterozoic/ediacaran/images/C...</a>). Preserved soft parts are unknown. Classification: Animalia, Incertae Sedis Stratigraphy: unspecified Neoproterozoic-aged unit Locality: unspecified site near Corumba, southern Brazil See info. at: <a href="https://en.wikipedia.org/wiki/Cloudinidae" rel="noreferrer nofollow">en.wikipedia.org/wiki/Cloudinidae</a> |
| Date | |
| Source | Cloudina fossils (Neoproterozoic; Corumba, Brazil) |
| Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/45453979394 (archive). It was reviewed on 6 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 02:18, 6 December 2019 | | 2,814 × 2,003 (4.49 MB) | Ser Amantio di Nicolao | Transferred from Flickr via #flickr2commons |
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