HYSTRICOMORPHA Brandt 1855

Wilson, Don E. & Reeder, DeeAnn, 2005, Order Rodentia - Family Ctenodactylidae, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 2, Baltimore: The Johns Hopkins University Press, pp. 1536-1537 : 1536

HYSTRICOMORPHA Brandt 1855

Families: 18 families with 77 genera and 290 species in 2 infraorders:

Infraorder CTENODACTYLOMORPHI Chaline and Mein 1979

Family Ctenodactylidae Gervais 1853 (4 genera with 5 species)

Infraorder HYSTRICOGNATHI Brandt 1855

Family Bathyergidae Waterhouse 1841 (5 genera with 16 species and 16 subspecies)

Family Hystricidae G. Fischer 1817 (3 genera with 11 species and 7 subspecies)

Family Petromuridae Wood 1955 (1 genus with 1 species and 15 subspecies)

Family Thryonomyidae Pocock 1922 (1 genus with 2 species and 2 subspecies)

Family Erethizontidae Bonaparte 1845 (5 genera with 16 species and 14 subspecies)

Family Chinchillidae Bennett 1833 (3 genera with 7 species and 25 subspecies)

Family Dinomyidae Peters 1873 (1 genus with 1 species)

Family Caviidae Fischer de Waldheim 1817 (6 genera with 18 species and 27 subspecies)

Family Dasyproctidae Bonaparte 1838 (2 genera with 13 species and 29 subspecies)

Family Cuniculidae Miller and Gidley 1918 (1 genus with 2 species and 5 subspecies)

Family Ctenomyidae Lesson 1842 (1 genus with 60 species and 27 subspecies)

Family Octodontidae Waterhouse 1839 (8 genera with 13 species and 3 subspecies)

Family Abrocomidae Miller and Gidley 1918 (2 genera with 10 species and 2 subspecies)

Family Echimyidae Gray 1825 (21 genera with 90 species and 33 subspecies)

Family Myocastoridae Ameghino 1904 (1 genus with 1 species and 4 subspecies)

Family Capromyidae Smith 1842 (8 genera with 20 species and 7 subspecies)

Family Heptaxodontidae Anthony 1917 (4 genera with 4 species)