Class Mammalia Linnaeus, 1758 - mammals
Count: [f†f] 27o;160f; ‡7f [21 Jun 2022]
   1 Subclass Prototheria Gill, 1872 [monotypic] - monotremes
  Count: [f] 1o;2f [7 Jun 2022]
   2 Subclass Theria Parker & Haswell, 1897
  Count: [f†f] 26o;158f; ‡7f [21 Jun 2022]