Opinions from R. Estes 1964

  • 'Acipenser belongs to Acipenseridae'
  • 'Acipenseridae belongs to Acipenseriformes'
  • 'Acipenseriformes belongs to Osteichthyes'
  • 'Adelphesiren olivae is a subjective synonym of Habrosaurus dilatus'
  • 'Albulidae belongs to Clupeoidei'
  • 'Alethesaurus quadratus is a subjective synonym of Chamops segnis'
  • 'Alligatorinae belongs to Crocodylidae'
  • 'Amia (Protamia) was reranked as Protamia and belongs to Amiidae'
  • 'Amiidae belongs to Amiiformes'
  • 'Amiiformes belongs to Osteichthyes'
  • 'Amphichelydia belongs to Testudinata'
  • 'Anatosaurus belongs to Hadrosauridae'
  • 'Anguidae belongs to Diploglossa'
  • 'Anguimorpha belongs to Sauria'
  • 'Aniliidae belongs to Booidea'
  • 'Ascaphidae belongs to Salientia'
  • 'Aspideretes belongs to Trionychidae'
  • 'Aspideretes beecheri belongs to Aspideretes'
  • 'Aspidorhynchidae belongs to Aspidorhynchiformes'
  • 'Aspidorhynchiformes belongs to Osteichthyes'
  • 'Aspidorhynchus belongs to Aspidorhynchidae'
  • 'Baena belongs to Baenidae'
  • 'Baena cephalica is recombined as Eubaena cephalica'
  • 'Baenidae belongs to Baenoidea'
  • 'Baenoidea belongs to Amphichelydia'
  • 'Barbourula belongs to Discoglossidae'
  • 'Basilemys belongs to Dermatemydidae'
  • 'Belonostomus belongs to Aspidorhynchidae'
  • 'Booidea belongs to Ophidia'
  • 'Brachychampsa belongs to Alligatorinae'
  • 'Brachychampsa montana belongs to Brachychampsa'
  • 'Carnosauria belongs to Theropoda'
  • 'Ceratodus eruciferus is recombined as Acipenser eruciferus'
  • 'Ceratodus hieroglyphus is a subjective synonym of Acipenser eruciferus'
  • 'Ceratopsia belongs to Ornithischia'
  • 'Ceratopsidae belongs to Ceratopsia'
  • 'Chamops belongs to Teiidae'
  • 'Chamops denticulatus is recombined as Leptochamops denticulatus'
  • 'Chamops segnis belongs to Chamops'
  • 'Champsosauridae belongs to Choristodera'
  • 'Champsosaurus belongs to Champsosauridae'
  • 'Choristodera belongs to Eosuchia'
  • 'Clupeiformes belongs to Osteichthyes'
  • 'Clupeoidei belongs to Clupeiformes'
  • 'Coeluridae belongs to Coelurosauria'
  • 'Coelurosauria belongs to Theropoda'
  • 'Colpodontosaurus belongs to Diploglossa'
  • 'Colpodontosaurus cracens belongs to Colpodontosaurus'
  • 'Compsemys belongs to Dermatemydidae'
  • 'Compsemys victus is corrected as Compsemys victa and belongs to Compsemys'
  • 'Coniophis belongs to Aniliidae'
  • 'Coniophis precedens belongs to Coniophis'
  • 'Crocodilia belongs to Reptilia'
  • 'Crocodylidae belongs to Eusuchia'
  • 'Crocodylinae belongs to Crocodylidae'
  • 'Cryptobranchoidea belongs to Urodeles'
  • 'Cryptodira belongs to Testudinata'
  • 'Cuttysarkus belongs to Sauria'
  • 'Cuttysarkus mcnallyi belongs to Cuttysarkus'
  • 'Dasyatidae belongs to Rajiformes'
  • 'Dermatemydidae belongs to Testudinoidea'
  • 'Desmognathinae belongs to Plethodontidae'
  • 'Diphyodus is a subjective synonym of Belonostomus'
  • 'Diphyodus longirostris is recombined as Belonostomus longirostris'
  • 'Diploglossa belongs to Anguimorpha'
  • 'Discoglossidae belongs to Salientia'
  • 'Dryptosaurus belongs to Megalosauridae'
  • 'Elopidae belongs to Clupeoidei'
  • 'Emydinae belongs to Testudinidae'
  • 'Eosuchia was reranked as a order and belongs to Reptilia'
  • 'Eubaena belongs to Eubaenidae'
  • 'Eubaenidae belongs to Baenoidea'
  • 'Eusuchia belongs to Crocodilia'
  • 'Exostinus belongs to Xenosauridae'
  • 'Exostinus lancensis belongs to Exostinus'
  • 'Ganopristinae belongs to Pristidae'
  • 'Gerrhonotidae was reranked as the subfamily Gerrhonotinae and belongs to Anguidae'
  • 'Gerrhonotus belongs to Gerrhonotidae'
  • 'Habrosaurus belongs to Sirenidae'
  • 'Habrosaurus dilatus belongs to Habrosaurus'
  • 'Hadrosauridae belongs to Ornithopoda'
  • 'Haptosphenus belongs to Teiidae'
  • 'Haptosphenus placodon belongs to Haptosphenus'
  • 'Harpagosaurus parvus is a subjective synonym of Exostinus lancensis'
  • 'Hedronchus sternbergi is a subjective synonym of Scapherpeton tectum'
  • 'Helopanoplia distincta belongs to Helopanoplia'
  • 'Hemitrypus jordanianus is a subjective synonym of Scapherpeton tectum'
  • 'Hybodontes is corrected as Hybodontidae and belongs to Heterodontiformes'
  • 'Hylidae belongs to Neobatrachia'
  • 'Hypsilophodontidae belongs to Ornithopoda'
  • 'Iguanavus teres is a subjective synonym of Chamops segnis'
  • 'Ischyrhiza belongs to Ganopristinae'
  • 'Ischyrhiza avonicola belongs to Ischyrhiza'
  • 'Kindleia belongs to Amiidae'
  • 'Kindleia fragosa belongs to Kindleia'
  • 'Lanceosaurus compressus is a subjective synonym of Chamops segnis'
  • 'Lanceosaurus hatcheri is a subjective synonym of Chamops segnis'
  • 'Leidyosuchus belongs to Crocodylinae'
  • 'Leidyosuchus sternbergii [misspelled as Leidyosuchus sternbergi] belongs to Leidyosuchus'
  • 'Lepidotus occidentalis is recombined as Lepisosteus occidentalis'
  • 'Lepisosteidae belongs to Lepisosteiformes'
  • 'Lepisosteiformes belongs to Osteichthyes'
  • 'Lepisosteus belongs to Lepisosteidae'
  • 'Leptochamops belongs to Teiidae'
  • 'Leptodactylidae belongs to Neobatrachia'
  • 'Litakis belongs to Anguimorpha'
  • 'Litakis gilmorei belongs to Litakis'
  • 'Lonchidion belongs to Hybodontidae'
  • 'Lonchidion selachos belongs to Lonchidion'
  • 'Meantes belongs to Urodeles'
  • 'Megalosauri is corrected as Megalosauridae and belongs to Carnosauria'
  • 'Meniscognathus belongs to Teiidae'
  • 'Meniscognathus altmani belongs to Meniscognathus'
  • 'Myledaphus belongs to Dasyatidae'
  • 'Myledaphus bipartitus belongs to Myledaphus'
  • 'Neobatrachia belongs to Salientia'
  • 'Odaxosaurus obliquus is a subjective synonym of Peltosaurus piger'
  • 'Ophidia belongs to Reptilia'
  • 'Opisthotriton belongs to Desmognathinae'
  • 'Opisthotriton kayi belongs to Opisthotriton'
  • 'Ornithischia belongs to Reptilia'
  • 'Ornithomimidae belongs to Coelurosauria'
  • 'Ornithomimus belongs to Ornithomimidae'
  • 'Ornithopoda belongs to Ornithischia'
  • 'Pachycephalosauridae belongs to Ornithopoda'
  • 'Pachycephalosaurus belongs to Pachycephalosauridae'
  • 'Palaeosaniwa belongs to Varanidae'
  • 'Palaeosaniwa canadensis belongs to Palaeosaniwa'
  • 'Paraderma belongs to Parasaniwidae'
  • 'Paraderma bogerti belongs to Paraderma'
  • 'Parasaniwa belongs to Parasaniwidae'
  • 'Parasaniwa obtusa is a subjective synonym of Parasaniwa wyomingensis'
  • 'Parasaniwa wyomingensis belongs to Parasaniwa'
  • 'Parasaniwidae belongs to Varanoidea'
  • 'Paronychodon belongs to Coeluridae'
  • 'Paronychodon lacustris belongs to Paronychodon'
  • 'Pelobatidae belongs to Salientia'
  • 'Peltosaurus belongs to Gerrhonotidae'
  • 'Peltosaurus piger belongs to Peltosaurus'
  • 'Perciformes belongs to Osteichthyes'
  • 'Platacodon belongs to Sciaenidae'
  • 'Platacodon nanus belongs to Platacodon'
  • 'Platynota belongs to Anguimorpha'
  • 'Plethodontidae belongs to Salamandroidea'
  • 'Prionosaurus regularis is a subjective synonym of Exostinus lancensis'
  • 'Pristidae belongs to Rajiformes'
  • 'Prodesmodon belongs to Desmognathinae'
  • 'Prodesmodon copei belongs to Prodesmodon'
  • 'Pseudemys belongs to Emydinae'
  • 'Pterosauria belongs to Reptilia'
  • 'Salamandroidea belongs to Urodeles'
  • 'Salientia belongs to Amphibia'
  • 'Sauria was reranked as a suborder and belongs to Reptilia'
  • 'Saurischia belongs to Reptilia'
  • 'Sauriscus belongs to Scincidae'
  • 'Sauriscus cooki belongs to Sauriscus'
  • 'Saurornithoides belongs to Coeluridae'
  • 'Scapherpeton belongs to Scapherpetonidae'
  • 'Scapherpeton tectum belongs to Scapherpeton'
  • 'Scapherpetonidae belongs to Cryptobranchoidea'
  • 'Sciaenoidei was reranked as the family Sciaenidae and belongs to Perciformes'
  • 'Scincidae belongs to Scincomorpha'
  • 'Scincomorpha was reranked as a suborder and belongs to Sauria'
  • 'Sirenidae belongs to Meantes'
  • 'Squatirhina belongs to Orectolobidae'
  • 'Squatirhina americana belongs to Squatirhina'
  • 'Stylomyleodon lacus is a subjective synonym of Kindleia fragosa'
  • 'Teiidae belongs to Scincomorpha'
  • 'Testudinata was reranked as a subclass and belongs to Reptilia'
  • 'Testudinidae belongs to Trionychoidea'
  • 'Testudinoidea belongs to Cryptodira'
  • 'Theropoda belongs to Saurischia'
  • 'Thescelosaurus belongs to Hypsilophodontidae'
  • 'Thescelosaurus neglectus belongs to Thescelosaurus'
  • 'Thescelus insiliens belongs to Thescelus'
  • 'Triceratops belongs to Ceratopsidae'
  • 'Trionychidae belongs to Trionychoidea'
  • 'Trionychoidea belongs to Cryptodira'
  • 'Tripriodon is a subjective synonym of Paronychodon'
  • 'Tripriodon caperatus is a subjective synonym of Paronychodon lacustris'
  • 'Tyrannosauridae belongs to Carnosauria'
  • 'Tyrannosaurus belongs to Tyrannosauridae'
  • 'Tyrannosaurus rex belongs to Tyrannosaurus'
  • 'Urodeles was reranked as the order Urodela and belongs to Amphibia'
  • 'Varanidae belongs to Varanoidea'
  • 'Varanoidea belongs to Platynota'
  • 'Xenosauridae belongs to Diploglossa'
  • 'Zapsalis is a subjective synonym of Paronychodon'
  • 'Zapsalis abradens is a subjective synonym of Paronychodon lacustris'