Pilosa (Anteaters and Sloths)
Suborder: Folivora (Sloths)
Family: Bradypodidae (Three-toed Sloths)
—No subordinate taxa
Family: Megalonychidae (Two-toed Sloths and Megalonychid Ground Sloths)
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Acratocnus antillensis | Matthew, 1931 | Cuban sloth | Late Pleistocene | Cuba | Extinct | Access |
| Acratocnus odontrigonus | Anthony, 1916 | Lesser Puerto Rican ground sloth, Puerto Rican sloth | c. 31,670 BC | Puerto Rico | Extinct | Access |
| Acratocnus simorhynchus | Rega, McFarlane, Lundberg & Christenson, 2002 | Hispaniolan snub-nosed sloth, Dominican flat-nosed sloth | c. 19,500 BC | Hispaniola | Extinct | Access |
| Acratocnus ye | MacPhee, White & Woods, 2000 | Hispaniolan ground sloth, Haitian macaya sloth | Late Quaternary | Hispaniola | Extinct | Access |
| Ahytherium aureum | Cartelle, De Iuliis & Pujos, 2008 | - | Quaternary | Brazil | Extinct | Access |
| Australonyx aquae | De Iuliis et al., 2009 | Late Pleistocene | Brazil | Extinct | Access | |
| Diabolotherium nordenskioldi | Pujos, Iuliis, Argot & Werdelin, 2007 | - | Late Pleistocene (Holocene?) | Peru | Extinct | Access |
|
Galerocnus jaimezi |
Arredondo, 1997 | - | ? | Cuba | Invalid (synonym) | Access |
| Iporangabradyx collecti | Dos Santos, 1991 | - | ? | ? | Invalid (nomen nudum) | Access |
| Meizonyx salvadorensis |
Webb & Perrigo 1985
|
Late Pleistocene | El Salvador & Mexico | Extinct | Access | |
| Megalocnus rodens | Leidy, 1868 | Cuban giant sloth | 4,250 +/- 50 yrs BP | Cuba | Extinct | Access |
| Megalocnus zile | MacPhee, White & Woods, 2000 | Large Ile Tortue sloth | Quaternary | Hispaniola | Extinct | Access |
| Megalonyx jeffersonii | Wistar, 1822 (Desmarest, 1822?) | Jefferson's ground sloth | 13,180-13,034 cal yr BP | New Mexico, USA | Extinct | Access |
| Megistonyx oreobios | McDonald, Rincón & Gaudin, 2013 | - | Late Pleistocene | Venezuela | Extinct | Access |
| Neocnus comes | Miller, 1929 | Lesser Haitian ground sloth, Lesser Hispaniolan ground sloth | Holocene | Hispaniola | Extinct | Access |
| Neocnus dousman | MacPhee, White & Woods, 2000 | Haitian pine forest sloth | Late Quaternary | Hispaniola | Extinct | Access |
| Neocnus gliriformis | Matthew, 1931 | Cuban rodent-like sloth | Late Pleistocene | Cuba | Extinct | Access |
| Neocnus major | Arredondo, 1961 | - | Quaternary | Cuba | Extinct | Access |
| Neocnus toupiti | MacPhee, White & Woods, 2000 | Haitian rak bwa sloth | Late Pleistocene or Holocene | Hispaniola | Extinct | Access |
|
Neocnus sp. nov. 'Hispaniola' |
- | ? | Dominican Republic, Hispaniola | Extinct | Access | |
| Nohochichak xibalbahkah | McDonald, Chatters & Gaudin, 2017 | - | Late Pleistocene | Mexico | Extinct | Access |
| Ocnopus gracilis | Lund, 1840 | - | Late Pleistocene? | Brazil | Extinct | Access |
|
Paramiocnus riveroi |
Arredondo & Arredondo, 2000 | - | ? | Cuba | Invalid (synonym) | Access |
| Parocnus browni | Matthew, 1931 | Brown's ground sloth, Matthew’s ground sloth | Holocene | Cuba | Extinct | Access |
| Parocnus dominicanus | McAfee et al., 2021 | Late Pleistocene or Holocene | Dominican Republic, Hispaniola | Extinct | Access | |
| Parocnus petrifactus | Hooijer, 1963 | - | ? | Curaçao | Extinct | Access |
| Parocnus serus | Miller, 1929 | Greater Haitian ground sloth | Late Pleistocene | Hispaniola | Extinct | Access |
| Xibalbaonyx exinferis | Stinnesbeck et al., 2021 | Late Pleistocene | Mexico | Extinct | Access | |
| Xibalbaonyx microcaninus | Stinnesbeck et al. 2017 | - | Late Pleistocene | Mexico | Extinct | Access |
| Xibalbaonyx oviceps | Stinnesbeck et al. 2017 | - | 10,647 BC to 10,305 BC | Yucatán Peninsula, Mexico | Extinct | Access |
Family: †Megatheriidae (Megatheriid Ground Sloths)
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Eremotherium elenense | Hoffstetter, 1952 | - | Late Pleistocene | Ecuador | Extinct | Access |
| Eremotherium laurillardi | Lund, 1842 | Laurillard's ground sloth | Late Pleistocene | Americas (from southern USA to Brazil) | Extinct | Access |
| Megatherium americanum | Cuvier, 1796 | - | Late Pleistocene | Central and South America | Extinct | Access |
| Megatherium filholi | Moreno, 1888 | - | Late Pleistocene | Argentina | Extinct | Access |
| Megatherium tarijense | Gervais and Ameghino, 1880 | - | Late Pleistocene | Bolivia & Peru | Extinct | Access |
| Megatherium urbinai | Pujos & Salas, 2004 | - | Late Pleistocene | Peru | Extinct | Access |
Family: †Mylodontidae (Mylodontid Ground Sloths)
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Catonyx cuvieri | Lund, 1839 | - | Late Pleistocene | South America | Extinct | Access |
| Catonyx tarijensis | Gervais & Ameghino, 1880 | - | Late Pleistocene | Argentina, Bolivia & Uraguay | Extinct | Access |
| Glossotherium phoenesis | Cartelle et al., 2019 | - | Late Pleistocene | Brazil | Extinct | Access |
| Glossotherium robustum | (Owen, 1842) | - | Late Pleistocene | South America | Extinct | Access |
| Glossotherium tropicorum | Hoffstetter, 1952 | - | Late Pleistocene | Peru | Extinct | Access |
| Lestodon armatus | Gervais, 1855 | - | Late Pleistocene or Holocene | Brazil | Extinct | Access |
| Mylodon australis | Krefft, 1870 | ? | Australia | Invalid (synonym) | Access | |
| Mylodon darwinii | Owen (year?) | Darwin's ground sloth, Milodon | Late Pleistocene or Holocene | South America | Extinct | Access |
| Mylodon domesticum | ? | - | ? | Americas | Extinct | Access |
| Mylodon listai | ? | Lista's ground sloth | ? | Americas | Extinct | Access |
| Mylodonopsis ibseni | Cartelle, 1992 | - | Late Pleistocene? | Brazil | Extinct | Access |
| Ocnotherium giganteum | (Lund, 1839) | Late Pleistocene | Brazil | Extinct | Access | |
| Oreomylodon wegneri | Spillmann, 1931 | Late Pleistocene | Ecuador | Extinct | Access | |
| Paramylodon harlani | Owen, 1840 | Harlan's ground sloth | Late Pleistocene | Americas | Extinct | Access |
| Scelidodon chiliense | Lydekker, 1886 | - | Late Pleistocene | Chile | Extinct | Access |
| Scelidotherium leptocephalum | Owen, 1840 (1839?) | - | Late Pleistocene | Argentina | Extinct | Access |
| Valgipes bucklandi | Lund, 1839 | - | Late Pleistocene | Brazil | Extinct | Access |
| Valgipes deformis | Gervais, 1874 | - | Late Pleistocene | Americas | Invalid (synonym) | Access |
Family: †Nothrotheriidae (Nothrotheriid Ground Sloths and Aquatic Sloths)
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
|
Nothropus carcaranensis
|
Bordas, 1942 | - | Late Pleistocene | Argentina | Extinct or invalid | Access |
| Nothrotheriops shastensis | Sinclair, 1905 | Shasta ground sloth | Late Pleistocene | North America | Extinct | Access |
| Nothrotherium escrivanense | Reinhardt, 1878 | Late Pleistocene | Argentina | Extinct | Access | |
| Nothrotherium maquinense | Lund, 1839 | - | ? | Brazil | Extinct | Access |
| Nothrotherium roverei | Kraglievich, 1931 | Late Pleistocene | Argentina | Extinct | Access | |
| Nothrotherium torresi | Kraglievich, 1926 | Torres' ground sloth | Late Pleistocene | Argentina | Extinct | Access |
Suborder: Vermilingua (Anteaters)
Family: Cyclopedidae (Silky Anteaters)
—No subordinate taxa
Family: Myrmecophagidae (Anteaters)
—No subordinate taxa