Class Mammalia Linnaeus, 1758 - mammals
Order Rodentia Bowdich, 1821 - rodents
Suborder Hystricognathi Tullberg, 1899
see Infraorder Hystricognathi Tullberg, 1899
Family Ctenomyidae Lesson, 1842 - tuco-tucos
Genus Ctenomys Blainville, 1826 - tuco-tucos
01 Ctenomys argentinus Contreras & Berry, 1982
02 Ctenomys australis Rusconi, 1934
03 Ctenomys azarae Thomas, 1903
04 Ctenomys boliviensis Waterhouse, 1848
05 Ctenomys bonettoi Contreras & Berry, 1982
06 Ctenomys brasiliensis Blainville, 1826
07 Ctenomys colburni J.A. Allen, 1903
08 Ctenomys conoveri Osgood, 1946
09 Ctenomys dorsalis Thomas, 1900
10 Ctenomys emilianus Thomas & St. Leger, 1926
11 Ctenomys frater Thomas, 1902
12 Ctenomys fulvus Philippi, 1860 - tawny tuco-tuco
13 Ctenomys haigi Thomas, 1917
14 Ctenomys knighti Thomas, 1919
15 Ctenomys latro Thomas, 1918
16 Ctenomys leucodon Waterhouse, 1848
17 Ctenomys lewisi Thomas, 1926
18 Ctenomys magellanicus Bennett, 1835[1836] - Magellanic tuco-tuco
19 Ctenomys maulinus Philippi, 1872 - Maule tuco-tuco
20 Ctenomys mendocinus Philippi, 1869
21 Ctenomys minutus Nehring, 1887
22 Ctenomys nattereri Wagner, 1848
23 Ctenomys occultus Thomas, 1920
24 Ctenomys opimus Wagner, 1848 - highland tuco-tuco
25 Ctenomys pearsoni Lessa & Langguth, 1983
26 Ctenomys perrensis Thomas, 1898
27 Ctenomys peruanus Sanborn & Pearson, 1947
28 Ctenomys pontifex Thomas, 1918
29 Ctenomys porteousi Thomas, 1916
30 Ctenomys saltarius Thomas, 1912
31 Ctenomys sericeus J.A. Allen, 1903
32 Ctenomys sociabilis Pearson & Christie, 1985
33 Ctenomys steinbachi Thomas, 1907
34 Ctenomys talarum Thomas, 1898
35 Ctenomys torquatus Lichtenstein, 1830
36 Ctenomys tuconax Thomas, 1925
37 Ctenomys tucumanus Thomas, 1900
38 Ctenomys validus Contreras, Roig & Suzarte, 1977