Order Primates Linnaeus, 1758 - primates Semiorder Euprimates Hoffstetter, 1978 see Clade Euprimates Suborder Strepsirhini see Suborder Strepsirrhini Geoffroy Saint-Hilaire, 1812 Infraorder †Adapiformes Hoffstetter, 1977 Family †Notharctidae Trouessart, 1879 Subfamily †Sivaladapinae Thomas & Verma, 1979 Genus †Sinoadapis Wu & Pan, 1985