An official website of the United States government.

The .gov means it's official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you're on a .gov or .mil site by inspecting your browser's address (or "location") bar.

This site is also protected by an SSL (Secure Sockets Layer) certificate that's been signed by the U.S. government. The https:// means all transmitted data is encrypted - in other words, any information or browsing history that you provide is transmitted securely.

Thesaurus Search Results

Archaea
 
: Taxonomic Classification of Organisms
Archaea
. Crenarchaeota
. . Thermoprotei
. . . Acidilobales
. . . . Acidilobaceae
. . . . . Acidilobus
. . . Desulfurococcales
. . . . Desulfurococcaceae
. . . . . Desulfurococcus
. . . . Pyrodictiaceae
. . . . . Pyrodictium
. . . . . Pyrolobus
. . . Fervidicoccales
. . . . Fervidicoccaceae
. . . . . Fervidicoccus
. . . Sulfolobales
. . . . Sulfolobaceae
. . . . . Sulfolobus
. . . . . . Sulfolobus islandicus
. . . . . . Sulfolobus solfataricus
. . . Thermoproteales
. . . . Thermofilaceae
. . . . . Thermofilum
. . . . Thermoproteaceae
. . . . . Thermoproteus
. Euryarchaeota
. . Archaeoglobi
. . . Archaeoglobales
. . . . Archaeoglobaceae
. . . . . Archaeoglobus
. . Halobacteria
. . . Halobacteriales
. . . . Halobacteriaceae
. . . . . Haloarchaeobius
. . . . . Haloarcula
. . . . . Halobacterium
. . . . . . Halobacterium cutirubrum
. . . . . . Halobacterium halobium
. . . . . . Halobacterium salinarium
. . . . . Halobiforma
. . . . . Haloferax
. . . . . . Haloferax mediterranei
. . . . . . Haloferax volcanii
. . . . . Natrinema
. . . . . . Natrinema gari
. . Methanobacteria
. . . Methanobacteriales
. . . . Methanobacteriaceae
. . . . . Methanobacterium
. . . . . . Methanobacterium bryantii
. . . . . . Methanobacterium formicicum
. . . . . Methanobrevibacter
. . . . . . Methanobrevibacter smithii
. . Methanococci
. . . Methanococcales
. . . . Methanocaldococcaceae
. . . . . Methanocaldococcus
. . . . . . Methanocaldococcus jannaschii
. . . . Methanococcaceae
. . . . . Methanococcus
. . . . . . Methanococcus maripaludis
. . Methanomicrobia
. . . Methanocellales
. . . Methanomicrobiales
. . . . Methanomicrobiaceae
. . . . . Methanoculleus
. . . . . Methanomicrobium
. . . Methanosarcinales
. . . . Methanosaetaceae
. . . . Methanosarcinaceae
. . . . . Methanolobus
. . . . . Methanosaeta
. . . . . Methanosarcina
. . . . . . Methanosarcina acetivorans
. . . . . . Methanosarcina barkeri
. . . . . . Methanosarcina mazei
. . . . . . Methanosarcina thermophila
. . Methanopyri
. . . Methanopyrales
. . Thermococci
. . . Thermococcales
. . . . Thermococcaceae
. . . . . Pyrococcus
. . . . . . Pyrococcus furiosus
. . . . . . Pyrococcus horikoshii
. . . . . Thermococcus
. . . . . . Thermococcus kodakarensis
. . . . . . Thermococcus profundus
. . Thermoplasmata
. . . Thermoplasmatales
. . . . Picrophilaceae
. . . . . Picrophilus
. . . . . . Picrophilus oshimae
. . . . . . Picrophilus torridus
. Thaumarchaeota