Opinions from E. C. Olson 1966

  • 'Allotheria was reranked as a subclass and belongs to Mammalia'
  • 'Anapsida belongs to Reptilia'
  • 'Anomodontia was reranked as a suborder and belongs to Theriodonta'
  • 'Archosauria was reranked as a infraclass and belongs to Diapsida'
  • 'Captorhinomorpha was reranked as a order and belongs to Anapsida'
  • 'Captorhinus belongs to Captorhinomorpha'
  • 'Caseasauria [misspelled as Caseosauria] belongs to Pelycosauria'
  • 'Caseidae belongs to Caseosauria'
  • 'Cotylorhynchus belongs to Caseidae'
  • 'Cynodontia was reranked as a infraorder and belongs to Theriodonta'
  • 'Diapsida belongs to Reptilia'
  • 'Dimetrodon belongs to Sphenacodontia'
  • 'Docodonta belongs to Mammalia'
  • 'Edaphosauria belongs to Pelycosauria'
  • 'Edaphosaurus belongs to Edaphosauria'
  • 'Eosuchia was reranked as a order and belongs to Lepidosauria'
  • 'Gomphodontidae belongs to Cynodontia'
  • 'Gorgonopsia was reranked as a suborder and belongs to Theriodonta'
  • 'Labidosaurus belongs to Captorhinomorpha'
  • 'Lepidosauria was reranked as a infraclass and belongs to Diapsida'
  • 'Marsupialia was reranked as a order and belongs to Theria'
  • 'Millerettidae belongs to Eosuchia'
  • 'Morganucodontidae belongs to Docodonta'
  • 'Multituberculata belongs to Allotheria'
  • 'Ophiacodon belongs to Ophiacodontia'
  • 'Ophiacodontia belongs to Pelycosauria'
  • 'Pantotheria belongs to Theria'
  • 'Pareiasauria belongs to Anapsida'
  • 'Pelycosauria belongs to Synapsida'
  • 'Phthinosuchidae belongs to Gorgonopsia'
  • 'Placentalia was reranked as a order and belongs to Mammalia'
  • 'Procolophonia was reranked as a order and belongs to Anapsida'
  • 'Rhynchocephalia belongs to Lepidosauria'
  • 'Rhynchosauridae [misspelled as Rhynchosaurida] belongs to Rhynchocephalia'
  • 'Sphenacodontia belongs to Pelycosauria'
  • 'Symmetrodonta belongs to Mammalia'
  • 'Synapsida belongs to Reptilia'
  • 'Thecodontia belongs to Archosauria'
  • 'Theria belongs to Mammalia'
  • 'Theriodontia [misspelled as Theriodonta] belongs to Synapsida'
  • 'Therocephalia was reranked as a infraorder and belongs to Theriodonta'
  • 'Triconodonta belongs to Mammalia'
  • 'Tritylodontia belongs to Theriodonta'
  • 'Younginidae belongs to Eosuchia'