Opinions from G. Olshevsky 1991

  • 'Acrocanthosaurus altispinax is recombined as Becklespinax altispinax'
  • 'Apatodon is a subjective synonym of Allosaurus'
  • 'Apatodon mirus is a subjective synonym of Allosaurus fragilis'
  • 'Avaceratops lammersi is corrected as Avaceratops lammersorum and belongs to Avaceratops'
  • 'Basitheropoda belongs to Theropodomorpha'
  • 'Frenguellisaurus belongs to Staurikosauridae'
  • 'Frenguellisaurus ischigualastensis belongs to Frenguellisaurus'
  • 'Herrerasauria belongs to Theropodomorpha'
  • 'Lagerpeton belongs to Lagerpetonidae'
  • 'Lagerpeton chanarensis belongs to Lagerpeton'
  • 'Lagerpetonidae belongs to Lagosuchia'
  • 'Lagosuchia belongs to Theropodomorpha'
  • 'Lagosuchidae belongs to Lagosuchia'
  • 'Lagosuchus belongs to Lagosuchidae'
  • 'Lagosuchus lilloensis is a subjective synonym of Lagosuchus talampayensis'
  • 'Lagosuchus talampayensis belongs to Lagosuchus'
  • 'Longisquamidae belongs to Basitheropoda'
  • 'Megalancosauridae belongs to Basitheropoda'
  • 'Megalosaurus oweni is recombined as Valdoraptor oweni'
  • 'Protognathus is replaced by Protognathosaurus'
  • 'Protognathus oxyodon is recombined as Protognathosaurus oxyodon'
  • 'Pseudolagosuchus belongs to Lagosuchidae'
  • 'Pseudolagosuchus major belongs to Pseudolagosuchus'
  • 'Pterosauria was reranked as a superorder and belongs to Archosauria'
  • 'Sauropelta edwardsi is corrected as Sauropelta edwardsorum and belongs to Sauropelta'
  • 'Sharivopterygia belongs to Pterosauria'
  • 'Spondylosoma belongs to Staurikosauridae'
  • 'Spondylosoma absconditum belongs to Spondylosoma'
  • 'Staurikosauridae belongs to Herrerasauria'
  • 'Staurikosaurus belongs to Staurikosauridae'
  • 'Staurikosaurus pricei belongs to Staurikosaurus'
  • 'Stenotholus kohleri is corrected as Stenotholus kohlerorum and belongs to Stenotholus'
  • 'Tenontosaurus tilletti is corrected as Tenontosaurus tillettorum and belongs to Tenontosaurus'
  • 'Theropodomorpha belongs to Dinosauria'
  • 'Ultrasaurus is replaced by Ultrasauros'
  • 'Ultrasaurus macintoshi is recombined as Ultrasauros macintoshi'