Alouate Spix, 1823 accepted as Alouatta Lacepède, 1799 (original description)
Brachyteles Spix, 1824 (original description)
Brachyura Spix, 1824 (original description)
Brachyurus Spix, 1823 accepted as Cacajao Lesson, 1840 (original description)
Diphylla Spix, 1824 (original description)
Gastrimargus Spix, 1824 accepted as Lagothrix Geoffroy, 1812 (original description)
Nyctipithecus Spix, 1824 accepted as Aotus Illiger, 1811 (original description)
Proboscidea Spix, 1824 accepted as Rhynchonycteris Peters, 1867 (original description)
Thyroptera Spix, 1824 (original description)