Haloarcula quadrata

Haloarcula quadrata
SEM image of Haloarcula quadrata.
Scientific classification
Domain: Archaea
Kingdom: Methanobacteriati
Phylum: Methanobacteriota
Class: Halobacteria
Order: Halobacteriales
Family: Haloarculaceae
Genus: Haloarcula
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.