File:Radiolarian Stylosphaera flexuosa.jpg
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Summary[edit]
| Description |
English: Radiolarian Stylosphaera flexuosa
Magnification: 250x, bright field (negative image), stacked image Site: Barbados Age: approx. 32-35 million years (late Eocene - early Oligocene) Preparation: Dr. Ralf Nötzel Radiolarians are unicellulars of diameter 0.1–0.2 mm that produce intricate mineral skeletons, typically with a central capsule dividing the cell into the inner and outer portions of endoplasm and ectoplasm.The elaborate mineral skeleton is usually made of silica. They are found as zooplankton throughout the ocean, and their skeletal remains make up a large part of the cover of the ocean floor as siliceous ooze. Due to their rapid turn-over of species, they represent an important diagnostic fossil found from the Cambrian onwards. (Source: Wikipedia) This is a stacked image, made by using a microscope and composed of dozens of single photos at different focus levels. |
| Date | |
| Source | flickr |
| Author | Picturepest |
Licensing[edit]
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This image was originally posted to Flickr by Picturepest at https://flickr.com/photos/59923990@N05/39772212420 (archive). It was reviewed on 22 September 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 | |
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| current | 23:32, 22 September 2019 | | 4,600 × 3,100 (1.3 MB) | Epipelagic (talk | contribs) | User created page with UploadWizard |
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