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.

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    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.

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    Tree of life

    Classification list

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    Selected taxon

    Sphenisciformes

    Order

    penguins

    1. LifeLife
    2. DomainEukaryota
    3. KingdomAnimalia
    4. PhylumChordata
    5. ClassAves
    6. OrderSphenisciformes
    Advanced classification

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

    1. cellular organisms cellular root
    2. Eukaryota domain
    3. Opisthokonta clade
    4. Metazoa kingdom
    5. Eumetazoa clade
    6. Bilateria clade
    7. Deuterostomia clade
    8. Chordata phylum
    9. Craniata subphylum
    10. Vertebrata clade
    11. Gnathostomata clade
    12. Teleostomi clade
    13. Euteleostomi clade
    14. Sarcopterygii superclass
    15. Dipnotetrapodomorpha clade
    16. Tetrapoda clade
    17. Amniota clade
    18. Sauropsida clade
    19. Sauria clade
    20. Archelosauria clade
    21. Archosauria clade
    22. Dinosauria clade
    23. Saurischia clade
    24. Theropoda clade
    25. Coelurosauria clade
    26. Aves class
    27. Neognathae infraclass
    28. Neoaves clade
    29. Aequornithes clade
    30. Sphenisciformes order

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