Order Primates Author Wilson, Don E. Author Reeder, DeeAnn text 2005 The Johns Hopkins University Press Baltimore Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1 111 184 book chapter 0-8018-8221-4 10.5281/zenodo.7316519 STREPSIRRHINI E. Geoffroy Saint-Hilaire 1812 Families: 7 families with 23 genera and 88 species in 3 infraorders: Infraorder LEMURIFORMES Gray 1821 Family Cheirogaleidae Gray 1872 (5 genera with 21 species) Family Lemuridae Gray 1821 (5 genera with 19 species and 7 subspecies) Family Lepilemuridae Gray 1870 (1 genus with 8 species) Family Indridae Burnett 1828 (3 genera with 11 species and 6 subspecies) Infraorder CHIROMYIFORMES Anthony and Coupin 1931 Family Daubentoniidae Gray 1863 (1 genus with 1 species) Infraorder LORISIFORMES Gregory 1915 Family Lorisidae Gray 1821 (5 genera with 9 species and 10 subspecies) Family Galagidae Gray 1825 (3 genera with 19 species and 14 subspecies) Discussion: McKenna and Bell (1997) divide the Strepsirrhini into superfamilies Daubentonioidea, Lemuroidea, Loroidea (including Cheirogaleidae ) and Indroidea. Evidence that Cheirogaleidae is not related to lorises, and that Indridae is sister-group to Lemuridae , is given by Groves (2001 c ) .