Haloarcula quadrata
| Haloarcula quadrata | |
|---|---|
| SEM image of Haloarcula quadrata. | |
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| Species: | H. quadrata | 
| Binomial name | |
| Haloarcula quadrata Oren et al. 1999 | |
Haloarcula quadrata is a species of archaea discovered in a brine pool in the Sinai Peninsula of Egypt. It was one of the first strains of prokaryotes whose cells show a flat, box-like shape.
They were categorized as Haloarcula on the basis of their polar lipid composition.