List of ctenomyids

Ctenomyidae is a family of fossorial mammals in the order Rodentia and part of the Caviomorpha parvorder. Members of this family are called ctenomyids or tuco-tucos. They are found in southern South America, primarily in shrublands and grasslands, though some species can be found in forests, savannas, deserts, wetlands, and coastal areas. They range in size from the white-toothed tuco-tuco, at 11 cm (4 in) plus a 7 cm (3 in) tail, to Conover's tuco-tuco, at 33 cm (13 in) plus a 11 cm (4 in) tail. Ctenomyids are herbivores and eat a wide variety of vegetation.^[1] No ctenomyids have population estimates, but ten species are categorized as an endangered species, and three—Reig's tuco-tuco, Roig's tuco-tuco, and the social tuco-tuco—are categorized as critically endangered.

The 59 extant species of Ctenomyidae are all contained in a single genus, Ctenomys. A few extinct prehistoric ctenomyid species have been discovered, though due to ongoing research and discoveries, the exact number and categorization is not fixed.^[2]

The author citation for the species or genus is given after the scientific name; parentheses around the author citation indicate that this was not the original taxonomic placement. Conservation status codes listed follow the International Union for Conservation of Nature (IUCN) Red List of Threatened Species. Range maps are provided wherever possible; if a range map is not available, a description of the ctenomyid's range is provided. Ranges are based on the IUCN Red List for that species unless otherwise noted.

Ctenomyidae is a family consisting of 59 species in a single genus, Ctenomys.

The following classification is based on the taxonomy described by the reference work Mammal Species of the World (2005), with augmentation by generally accepted proposals made since using molecular phylogenetic analysis, as supported by both the IUCN and the American Society of Mammalogists.^[3]