Fossil cyanobacteria. Light micrograph of fossilised Chlorellopsis coloniata (ovals),a type of freshwater cyanobacterium (blue-green alga). These specimens,from the Eocene epoch (55-38 million years ago),were found in Wyoming,USA. Brightfield illumination. Magnification: x25 at 35mm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Abbey, Michael |
Taille de l’image : | 4507 px × 3145 px |
Model Release : | Non requis |
Property Release : | Non requis |
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