[organisms]
see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Kingdom Animalia Linnaeus, 1758 - animals
Branch Eumetazoa Butschli, 1910
see [unranked] Eumetazoa Bütschli, 1910
Division Bilateria Hatschek, 1888
see Subkingdom Bilateria Hatschek, 1888
Subdivision Deuterostomia Grobben, 1908
see Infrakingdom Deuterostomia Grobben, 1908
Phylum Chordata Bateson, 1885 - chordates
Subphylum Vertebrata Cuvier, 1812 - vertebrates
Superclass Tetrapoda Goodrich, 1930 - tetrapods
see Clade Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
Class Mammalia Linnaeus, 1758 - mammals
Subclass Theria Parker & Haswell, 1897
Infraclass Eutheria Gill, 1872
Order Sirenia Gill, 1872 - sea cows
Genus Dugong Lacépède, 1799 - dugong
Genus ‡Hydrodamalis Retzius, 1794 - Steller's sea cow, great northern sea cow
Genus Trichechus Linnaeus, 1758 - manatees