Opinions from L. Varela et al. 2019
- 'Acratocnus belongs to Choloepodinae'
- 'Ahytherium belongs to Megalonychinae'
- 'Analcitherium belongs to Scelidotheriinae'
- 'Anisodontherium belongs to Megatheriinae'
- 'Australonyx belongs to Megalonychinae'
- 'Aymaratherium belongs to Nothrotheriinae'
- 'Baraguatherium belongs to Orophodontinae'
- 'Bolivartherium belongs to Mylodontinae'
- 'Bradypidae is corrected as Bradypodidae and belongs to Eufolivora'
- 'Bradypus belongs to Bradypodidae'
- 'Brievabradys belongs to Orophodontinae'
- 'Catonyx belongs to Scelidotheriinae'
- 'Choloepodinae belongs to Megalonychidae'
- 'Choloepus belongs to Choloepodinae'
- 'Diabolotherium belongs to Megatheriinae'
- 'Eremotherium belongs to Megatheriinae'
- 'Eucholoeops belongs to Megalonychidae'
- 'Eufolivora belongs to Folivora'
- 'Eutardigrada is a subjective synonym of Eufolivora' according to Delsuc et al. 2001
- 'Glossotherium belongs to Mylodontinae'
- 'Hapalops belongs to Megalonychidae'
- 'Hyperleptus belongs to Megalonychidae'
- 'Lakukullus belongs to Nothrotheriinae'
- 'Lestobradys belongs to Mylodontinae'
- 'Lestodon belongs to Mylodontinae'
- 'Megalocninae belongs to Megalonychidae'
- 'Megalocnus belongs to Megalocninae'
- 'Megalonychidae belongs to Megatherioidea'
- 'Megalonychinae belongs to Megalonychidae'
- 'Megalonychotherium belongs to Megalonychidae'
- 'Megalonyx belongs to Megalonychinae'
- 'Megatheria belongs to Megatherioidea'
- 'Megatheriadae is corrected as Megatheriidae and belongs to Megatheria'
- 'Megathericulus belongs to Megatheriinae'
- 'Megatheriinae belongs to Megatheriidae'
- 'Megatherioidea belongs to Eufolivora'
- 'Megatherium belongs to Megatheriinae'
- 'Megistonyx belongs to Megalonychinae'
- 'Mionothropus belongs to Nothrotheriinae'
- 'Mylodontidae belongs to Eufolivora'
- 'Mylodontinae belongs to Mylodontidae'
- 'Nematherium belongs to Mylodontidae'
- 'Neocnus belongs to Choloepodinae'
- 'Neonematherium belongs to Scelidotheriinae'
- 'Nothrotheriidae belongs to Megatheria'
- 'Nothrotheriinae belongs to Nothrotheriidae'
- 'Nothrotheriops belongs to Nothrotheriinae'
- 'Nothrotherium belongs to Nothrotheriinae'
- 'Octodontobradys belongs to Orophodontinae'
- 'Octodontotherium belongs to Orophodontinae'
- 'Octomylodon belongs to Orophodontinae'
- 'Orophodontinae belongs to Mylodontidae'
- 'Paramylodon belongs to Mylodontinae'
- 'Parocnus belongs to Megalocninae'
- 'Paroctodontotherium belongs to Orophodontinae'
- 'Pelecyodon belongs to Megatherioidea'
- 'Planopinae belongs to Megatheriidae'
- 'Planops belongs to Planopinae'
- 'Pleurolestodon belongs to Mylodontinae'
- 'Pliometanastes belongs to Megalonychinae'
- 'Pliomorphus belongs to Megalonychidae'
- 'Prepoplanops belongs to Planopinae'
- 'Prepotherium belongs to Planopinae'
- 'Proeremotherium belongs to Megatheriinae'
- 'Pronothrotherium belongs to Nothrotheriinae'
- 'Proscelidodon belongs to Scelidotheriinae'
- 'Pseudoprepotherium belongs to Mylodontidae'
- 'Pseudortotherium belongs to Megalonychidae'
- 'Pyramiodontherium belongs to Megatheriinae'
- 'Scelidotherium belongs to Scelidotheriinae'
- 'Schismotherium belongs to Megatherioidea'
- 'Sibyllotherium belongs to Scelidotheriinae'
- 'Simomylodon belongs to Mylodontinae'
- 'Thalassocninae belongs to Nothrotheriidae'
- 'Thalassocnus belongs to Thalassocninae'
- 'Thinobadistes belongs to Mylodontinae'
- 'Urumacotherium belongs to Orophodontinae'
- 'Valgipes belongs to Scelidotheriinae'
- 'Xyophorus belongs to Nothrotheriinae'