Living Beings

    class · Scientific classification

    Mammalia

    Inspect in the tree ↗Browse published profiles
    An adult male lion in Serengeti National Park, Tanzania.
    Lion · Charles J. Sharp · CC BY-SA 4.0

    Classification in context

    Lineage

    1. LifeLife
    2. DomainEukaryota
    3. KingdomAnimalia
    4. PhylumChordata
    5. ClassMammalia
    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. Mammalia class

    NCBI Taxonomy (2026-11-05 reconciled backbone) · Taxon source ↗

    Previous source record

    Mammalia · class · Original classification source

    The original identifier and source were retained when adopting the dated NCBI backbone. Different sources may use different names, ranks or group circumscriptions.

    Records in this collection

    Direct members

    2 published profiles in this branch.

    Carnivora · orderDiprotodontia · order

    Within this taxon

    Published profiles

    Species · Panthera

    Lion

    Panthera leo

    Lions are social cats that live in groups called prides. A pride usually includes related females, their young, and one or more …

    Species · Panthera

    Tiger

    Panthera tigris

    Tigers are large, striped cats native to Asia. Adults generally live and hunt alone.