Jabarkan A dari Daftar genus dinosaurus

"Augustia" – preoccupied nama, sekarang diketahui sebagai Agustinia

"Avalonia" – preoccupied nama,sekarang diketahui sebagai Avalonianus

Avalonianus – sebenarnya bukan dinosaurus archosaur

Avipes – kemungkinan bukan dinosaurus dinosauromorph

Avisaurus – sebenarnya adalah enantiornithine bird

Azendohsaurus – bukan spesies dinosaurus archosauromorph

Basutodon – sebenarnya bukan dinosaurus,melainkan archosaur

Bathygnathus – sebenarnya adalah pelycosaur

Belodon – sebenarnya sejenis phytosaur

"Blancocerosaurus", kemungkinan Brachiosaurus atau Giraffatitan

Brachyrophus – sinonim kecil dari Camptosaurus

Brachytaenius – sebenarnya semacam urutan dari reptile, kemungkinan sama dengan Dakosaurus

Brasileosaurus – sebenarnya bukan dinosaurus,melainkan archosaur

Brontosaurus – sinonim kecil dari Apatosaurus

Bugenasaura – sinonim kecil dari Thescelosaurus

Caenagnathus – probable junior sinonim dari Chirostenotes

"Calamospondylus" Lydekker, 1889 – preoccupied nama, sekarang diketahui sebagai Calamosaurus

"Camptonotus" – preoccupied nama, sekarang diketahui sebagai Camptosaurus

"Campylodon" – preoccupied nama, sekarang diketahui sebagai Campylodoniscus

"Carnosaurus", probably a typographical error for "carnosaur"

Cathetosaurus – junior sinonim atas Camarasaurus

Caudocoelus – junior sinonim atas Teinurosaurus

Caulodon – junior sinonim atas Camarasaurus

Centemodon – sebenarnya adalah seekor phytosaur

"Changtusaurus" – variasi cara pengucapan dari "Changdusaurus"

Chaoyangosaurus – kesalahan saat mengatakan nama dinosaurus Chaoyangsaurus

Chassternbergia – junior sinonim atas Edmontonia

Cheneosaurus – junior sinonim atas Hypacrosaurus

Chienkosaurus – sebenarnya adalah seekor chimera of crocodilian dan theropod (Szechuanosaurus) remains

Chondrosteus – misspelling of Chondrosteosaurus

Cladeiodon – sebernarnya adalah seekor non dinosaurus yang bernama rauisuchian (Teratosaurus)

Clarencea – sebenarnya adalah seekor sphenosuchian (Sphenosuchus)

Clepsysaurus – sebenarnya sebuah non dinosaurus archosaur, kecuali untuk C. fraserianus, spesies ini merupakan bagian dari taksonomi Palaeosaurus

"Coelosaurus" – preoccupied nama, sekarang diketahui sebagai Ornithomimus dan Archaeornithomimus.

Coelurosauravus – actually an avicephalan diapsid

"Coelurosaurus", probably a typographical error for "coelurosaur"

Colonosaurus – junior synonym of the bird Ichthyornis dispar

"Coloradia" – preoccupied name, now known as Coloradisaurus

Crataeomus – junior synonym of Struthiosaurus

Creosaurus – junior synonym of Allosaurus

Crosbysaurus – actually a non-dinosaurian archosauriform

Cryptodraco – junior synonym (unneeded replacement name) of Cryptosaurus

Cryptovolans – junior synonym of Microraptor

"Cylindricodon" – preoccupied name, now known as Hylaeosaurus

Cystosaurus – actually a crocodilian which through a typographical error was confused with Cryptosaurus

"Dachungosaurus" – variant spelling of "Dachongosaurus"

Dakosaurus – actually a metriorhynchid crocodilian

Danubiosaurus – junior synonym of Struthiosaurus

"Daptosaurus" ; early manuscript name for Deinonychus

Dasygnathoides – actually a non-dinosaurian archosaur, junior synonym of Ornithosuchus

"Dasygnathus" – preoccupied name, now known as Dasygnathoides

Denversaurus – junior synonym of Edmontonia

Deuterosaurus – actually a therapsid

Dianchungosaurus – actually a crocodilian

"Diceratops" – preoccupied name, now known as Nedoceratops

Diceratus – junior synonym of Nedoceratops

Didanodon – possibly a junior synonym of Lambeosaurus

Dimodosaurus – junior synonym of Plateosaurus

"Dinosaurus" – preoccupied name, now a junior synonym of Plateosaurus

Dinotyrannus – junior synonym of Tyrannosaurus

Diracodon – junior synonym of Stegosaurus

Doratodon – actually a crocodilian

Doryphorosaurus – junior synonym (unneeded replacement name) of Kentrosaurus

Dracorex – possibly a juvenile Pachycephalosaurus

Dravidosaurus – actually a plesiosaurian

Dromicosaurus – junior synonym of Massospondylus

Dynamosaurus – junior synonym of Tyrannosaurus

Dystylosaurus – junior synonym of Supersaurus

Elosaurus – junior synonym of Apatosaurus

Empaterias – misspelling of Epanterias

Eoceratops – junior synonym of Chasmosaurus

Eolosaurus – junior synonym of Aeolosaurus

Epanterias – may be Allosaurus

"Ephoenosaurus" ; Machimosaurus (a crocodilian)

Epicampodon – actually a proterosuchid archosauriform

Erliansaurus Erlicosaurus – misspelling of Erlikosaurus Erlikosaurus Eshanosaurus "Euacanthus" ; junior synonym of Polacanthus Eucamerotus Eucentrosaurus – junior synonym (unneeded replacement name) of Centrosaurus Eucercosaurus – possibly Anoplosaurus Eucnemesaurus Eucoelophysis – actually a silesaurid