Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Infraclass Eutheria Gill, 1872 Cohort Unguiculata Linnaeus, 1766 Order Primates Linnaeus, 1758 - primates Suborder Prosimii Illiger, 1811 see Infraorder Strepsirrhini "Geoffroy Saint-Hilaire, 1812" Family Daubentoniidae Gray, 1863 - aye-ayes