Opinions from C. Paula Couto 1956

  • 'Abothrodon belongs to Haplodontheriinae'
  • 'Abothrodon pricei belongs to Abothrodon'
  • 'Cavioidea belongs to Hystricomorpha'
  • 'Cuvieroniinae belongs to Gomphotheriidae'
  • 'Elephantoidea belongs to Proboscidea'
  • 'Eremotherium belongs to Megatheriinae'
  • 'Eumegamyinae belongs to Heptaxodontidae'
  • 'Glyptodontidae belongs to Glyptodontoidea'
  • 'Glyptodontoidea belongs to Cingulata'
  • 'Gomphotheriidae belongs to Elephantoidea'
  • 'Haplodontheriidae was reranked as the subfamily Haplodontheriinae and belongs to Toxodontidae'
  • 'Haplomastodon belongs to Cuvieroniinae'
  • 'Haplomastodon waringi belongs to Haplomastodon' according to Holland 1920
  • 'Haplomastodon waringi belongs to Haplomastodon'
  • 'Heptaxodontidae belongs to Cavioidea'
  • 'Hystricomorpha belongs to Rodentia'
  • 'Iniinae belongs to Platanistidae'
  • 'Lestodon belongs to Lestodontinae'
  • 'Lestodon armatus belongs to Lestodon'
  • 'Lestodontinae belongs to Mylodontidae'
  • 'Megatheriidae belongs to Megatherioidea'
  • 'Megatheriinae belongs to Megatheriidae'
  • 'Megatherioidea belongs to Pilosa'
  • 'Mylodontidae belongs to Mylodontoidea'
  • 'Mylodontoidea belongs to Pilosa'
  • 'Neotrigodon belongs to Haplodontheriinae'
  • 'Neotrigodon utoquineae belongs to Neotrigodon' according to Spillman 1949
  • 'Odontoceti belongs to Cetacea'
  • 'Phoberomys belongs to Eumegamyinae'
  • 'Phoberomys bordasi belongs to Phoberomys' according to Patterson 1942
  • 'Phoberomys bordasi belongs to Phoberomys'
  • 'Pilosa belongs to Xenarthra'
  • 'Platanistina was reranked as the family Platanistidae and belongs to Platanistoidea'
  • 'Platanistoidea belongs to Odontoceti'
  • 'Plicodontinia belongs to Iniinae'
  • 'Plicodontinia mourai belongs to Plicodontinia'
  • 'Scelidotheriinae was reranked as the subfamily Scelidotheriidae and belongs to Mylodontoidea'
  • 'Scelidotherium belongs to Scelidotheriidae'
  • 'Toxodon belongs to Toxodontidae'
  • 'Toxodontia [misspelled as Toxodonta] belongs to Notoungulata'
  • 'Toxodontidae belongs to Toxodonta'
  • 'Trichechidae belongs to Trichechiformes'
  • 'Trichechiformes belongs to Sirenia'
  • 'Trichechus belongs to Trichechidae'
  • 'Trigodonops belongs to Haplodontheriinae'
  • 'Trigodonops lopesi belongs to Trigodonops' according to Roxo 1821
  • 'Trigodonops lopesi belongs to Trigodonops'
  • 'Xenarthra belongs to Edentata'