Afrotheria - Organization

Organization

The Afrotheria are a clade of placental mammals, the stem designation for which is Eutheria. The ranks in Linnean taxonomy are arbitrary and without intrinsic biological meaning. While this recognition does not mean the Linnean system must be completely replaced, it does have implications for high-level taxon names traditionally associated with certain suffixes (e.g., "oidea" need not be reserved for superfamily). Based on precedent, some clades are junior synonyms and arguably should be replaced (e.g., Tenrecoidea McDowell 1958 instead of "Afrosoricida" Stanhope et al. 1998).

  • Clade Atlantogenata
    • Group I: Afrotheria
      • Clade Afroinsectiphilia
        • Order Macroscelidea: elephant shrews (Africa)
        • Order Afrosoricida: tenrecs and golden moles (Africa)
        • Order Tubulidentata: aardvark (Africa south of the Sahara)
      • Clade Paenungulata
        • Order Hyracoidea: hyraxes or dassies (Africa, Arabia)
        • Order Proboscidea: elephants (Africa, Southeast Asia)
        • Order Sirenia: dugong and manatees (cosmopolitan tropical)
    • Group II: Xenarthra
      • Order Pilosa: sloths and anteaters (Neotropical)
      • Order Cingulata: armadillos (Americas)

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