Class [Mammalia] Linnaeus, 1758 - mammals
Order Primates Linnaeus, 1758 - primates
Suborder Prosimii Illiger, 1811
see Infraorder Strepsirrhini "Geoffroy Saint-Hilaire, 1812"
Infraorder Lemuriformes Gregory, 1915
Superfamily †Adapoidea Trouessart, 1879
see Infraorder Adapiformes Hoffstetter, 1977
Family †Notharctidae Trouessart, 1879
Subfamily †Notharctinae Trouessart, 1879
Genus †Cantius Simons, 1962