Living Beings

    Living Beings / Classification

    Taxonomy explorer

    Life → Domain → Kingdom → Phylum → Class → Order → Family → Genus → Species. Explore the principal ranks; intermediate clades remain in Advanced classification.

    Explore the tree

    NCBI Taxonomy · November 5, 2026. Missing ranks leave empty columns. Animalia is the recorded synonym of Metazoa; green plants use Viridiplantae. Full source ancestry is available in Advanced classification.

    Browse ecological links ↗
    Tree of life

    Classification list

    Select a node or use the plus sign to open a branch.

    Selected taxon

    Pyrococcus furiosus

    Species

    Pyrococcus furiosus profile ↗

    1. LifeLife
    2. DomainArchaea
    3. KingdomMethanobacteriati
    4. PhylumMethanobacteriota
    5. ClassThermococci
    6. OrderThermococcales
    7. FamilyThermococcaceae
    8. GenusPyrococcus
    9. SpeciesPyrococcus furiosus
    Advanced classification

    Complete source lineage, including intermediate ranks. The standard view uses Life and the eight principal ranks.

    1. cellular organisms cellular root
    2. Archaea domain
    3. Methanobacteriati kingdom
    4. Methanobacteriota phylum
    5. Thermococci class
    6. Thermococcales order
    7. Thermococcaceae family
    8. Pyrococcus genus
    9. Pyrococcus furiosus species

    Open taxon page ↗