# Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg 1840 diatom shell. Colored SEM image

- By: Pavel.Somov
- Date: 2021-09-14
- Classification: Photograph
- Credit line: File:Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg 1840 diatom shell. Colored SEM image.png
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Coscinodiscus_oculus-iridis_(Ehrenberg)_Ehrenberg_1840_diatom_shell._Colored_SEM_image.jpg)
- Rights: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/3/3f/Coscinodiscus_oculus-iridis_%28Ehrenberg%29_Ehrenberg_1840_diatom_shell._Colored_SEM_image.jpg/1920px-Coscinodiscus_oculus-iridis_%28Ehrenberg%29_Ehrenberg_1840_diatom_shell._Colored_SEM_image.jpg
- Who can see it: Kids profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Highly porous hierarchical structure of a Coscinodiscus oculus-iridis (Ehrenberg) Ehrenberg 1840 diatom shell. Colored SEM image acquired with TESCAN CLARA SEM. Sample without any conductive layer, 1keV electron landing energy, field of view 40 μm, E-T detector.