Arachnocebus Lesson, 1840 (original description)
Cacajao Lesson, 1840 (original description)
Cebugale Lesson, 1840 accepted as Cheirogaleus Geoffroy, 1812 (original description)
Chiropotes Lesson, 1840 (original description)
Galeolemur Lesson, 1840 accepted as Cynocephalus Boddaert, 1768 (original description)
Gliscebus Lesson, 1840 accepted as Microcebus Geoffroy, 1834 (original description)
Hamadryas Lesson, 1840 accepted as Papio Erxleben, 1777 (original description)
Hypsicebus Lesson, 1840 accepted as Cephalopachus Swainson, 1835 (original description)
Leontopithecus Lesson, 1840 (original description)
Mico Lesson, 1840 accepted as Callithrix Erxleben, 1777 (original description)
Mioxicebus Lesson, 1840 (original description)
Myscebus Lesson, 1840 accepted as Microcebus Geoffroy, 1834 (original description)
Oedipus Lesson, 1840 accepted as Saguinus Hoffmannsegg, 1807 (original description)
Pithelemur Lesson, 1840 accepted as Indri Geoffroy, 1796 (original description)
Potto Lesson, 1840 accepted as Perodicticus Bennett, 1831 (original description)
Semnocebus Lesson, 1840 accepted as Avahi Jourdan, 1834 (original description)
Yarkea Lesson, 1840 accepted as Pithecia Desmarest, 1804 (original description)