Coloured SEM of fossilised rod-shaped bacteria

Coloured SEM of fossilised rod-shaped bacteria

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This image is part of the feature Fossilised Bacteria

Credit: PHILIPPE PLAILLY/SCIENCE PHOTO LIBRARY

Caption: Fossilised bacteria. Coloured Scanning Electron Micrograph (SEM) of fossilised bacteria which may be amongst the earliest evidence of life on earth. These rod-shaped cells (red) were discovered in one of the oldest rock samples in the world, which are claimed to be about 3.5 billion years old. It is part of a collection of bacterial fossils discovered by sedimentologist Frances Westall. She has found such fossils in rock samples from areas such as South Africa, the Antarctic and Europe. These bacteria were discovered in Kaapval Craton, Barberton, South Africa. Magnification: x2000 at 35mm size.

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Keywords: animal, animals, bacteria, fossil, fossil invertebrate, fossilised, fossilized bacteria, fossils, invertebrates, palaeontology, paleontology, rod-shaped, rod-shaped bacteria

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