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| Gloeocapsa magma | |
|---|---|
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Scientific classification 
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| Domain: | Bacteria |
| Phylum: | Cyanobacteria |
| Class: | Cyanophyceae |
| Order: | Chroococcales |
| Family: | Chroococcaceae |
| Genus: | Gloeocapsa |
| Species: | G. magma
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| Binomial name | |
| Gloeocapsa magma (Brébisson) Kützing, 1847
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Gloeocapsa magma is a species of bacteria in the Gloeocapsa genus of cyanobacteria, an ancient line of photosynthesizing bacteria, which photolyze water generating oxygen gas. Ancient cyanobacteria were ancestral to the chloroplasts of all plants on earth. Gloeocapsa magma may resemble "algae" in that they are green, but in fact cyanobacteria are bacteria whereas algae are single-celled eukaryotes (cells with nuclei) that are closely related to plants.