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List of Dinosaurs

  • Written by DinoInfo

A

  • Aachenosaurus — actually a piece of petrified wood
  • "Abdallahsaurus" — nomen nudum, probably Brachiosaurus or Giraffatitan
  • Abelisaurus
  • Abrictosaurus
  • Abrosaurus
  • Acanthopholis
  • Achelosaurus[1] — misspelling of Achelousaurus
  • Achelousaurus
  • Achillesaurus
  • Achillobator
  • "Acracanthus" — original invalid name of Acrocanthosaurus
  • Acrocanthosaurus
  • Actiosaurus — probably an ichthyosaur
  • Adamantisaurus
  • Adasaurus
  • Aegyptosaurus
  • Aeolosaurus
  • Aepisaurus
  • Aetonyx — possible junior synonym of Massospondylus
  • Afrovenator
  • Agathaumas
  • Aggiosaurus — actually a metriorhynchid crocodilian
  • Agilisaurus
  • Agnosphitys
  • Agrosaurus — probably a junior synonym of Thecodontosaurus
  • Agujaceratops
  • Agustinia
  • "Airakoraptor" — nomen nudum
  • Alamosaurus
  • "Alashansaurus" — nomen nudum
  • Alaskacephale
  • Albertaceratops
  • Albertosaurus
  • Albisaurus — a non-dinosaurian reptile
  • Alectrosaurus
  • Aletopelta
  • Algoasaurus
  • Alioramus
  • Aliwalia — junior synonym of Eucnemesaurus
  • Allosaurus
  • Alocodon
  • Altirhinus
  • Altispinax
  • Alvarezsaurus — possibly a bird
  • Alwalkeria
  • Alxasaurus
  • Amargasaurus
  • Amargatitanis
  • Amazonsaurus
  • Ammosaurus
  • Ampelosaurus
  • Amphicoelias
  • "Amphicoelicaudia" — nomen nudum; possibly Huabeisaurus
  • "Amphisaurus" — preoccupied name, now known as Anchisaurus
  • Amtosaurus — possibly Talarurus
  • Amurosaurus
  • Amygdalodon
  • Anabisetia
  • Anasazisaurus
  • Anatosaurus — junior synonym of Edmontosaurus
  • Anatotitan
  • Anchiceratops
  • Anchisaurus
  • Andesaurus
  • Angaturama — probable junior synonym of Irritator
  • "Angloposeidon"[2][3]nomen nudum
  • Aniksosaurus
  • Animantarx
  • Ankistrodon — actually a proterosuchid archisauriform
  • Ankylosaurus
  • Anodontosaurus — junior synonym of Euoplocephalus or Dyoplosaurus
  • Anoplosaurus
  • Anserimimus
  • Antarctopelta
  • Antarctosaurus
  • Antetonitrus
  • Anthodon — actually a pareiasaur
  • Antrodemus — possibly a junior synonym of Allosaurus
  • Apatodon — possibly a junior synonym of Allosaurus
  • Apatosaurus — popularly known as Brontosaurus
  • Appalachiosaurus
  • Aragosaurus
  • Aralosaurus
  • "Araucanoraptor" — nomen nudum; Neuquenraptor
  • Archaeoceratops
  • Archaeodontosaurus
  • Archaeopteryx — actually a bird (by definition)
  • "Archaeoraptor" — now known as the bird Yanornis and the dromaeosaur Microraptor
  • Archaeornis — junior synonym of the bird Archaeopteryx
  • Archaeornithoides
  • Archaeornithomimus
  • Archaeovolans — junior synonym of the bird Yanornis
  • Arctosaurus — actually some sort of non-dinosaurian reptile
  • Argentinosaurus
  • Argyrosaurus
  • Aristosaurus — junior synonym of Massospondylus
  • Aristosuchus
  • Arizonasaurus — actually a rauisuchian
  • "Arkanosaurus" — variant spelling of "Arkansaurus"
  • "Arkansaurus" — nomen nudum
  • Arrhinoceratops
  • Arstanosaurus
  • Asiaceratops
  • Asiamericana
  • Asiatosaurus
  • Astrodon
  • Astrodonius — junior synonym of Astrodon
  • Astrodontaurus — junior synonym of Astrodon
  • Atlantosaurus — possible junior synonym of Apatosaurus or Camarasaurus
  • Atlasaurus
  • Atlascopcosaurus
  • Atrociraptor
  • Aublysodon
  • Aucasaurus
  • "Augustia" — preoccupied name, now known as Agustinia
  • Auroraceratops
  • Australodocus
  • Austrosaurus
  • Avaceratops
  • "Avalonia" — preoccupied name, now known as Avalonianus
  • Avalonianus — actually a non-dinosaurian archosaur
  • Aviatyrannis
  • Avimimus
  • Avipes — probably a non-dinosaurian dinosauromorph
  • Avisaurus — actually an enantiornithine bird
  • Azendohsaurus — possibly a non-dinosaurian reptile

B

  • Bactrosaurus
  • Bagaceratops
  • Bagaraatan
  • Bahariasaurus
  • Bainoceratops
  • "Bakesaurus" — nomen nudum
  • Balochisaurus
  • Bambiraptor
  • Barapasaurus
  • Barosaurus
  • Barsboldia
  • Baryonyx
  • "Bashunosaurus" — nomen nudum
  • Basutodon — actually a non-dinosaurian archosaur
  • Bathygnathus — actually a pelycosaur
  • Baurutitan
  • "Bayosaurus" — nomen nudum
  • Becklespinax
  • "Beelemodon" — nomen nudum
  • Beipiaosaurus
  • Bellusaurus
  • Belodon — actually a phytosaur
  • Berberosaurus
  • Betasuchus
  • Bienosaurus
  • Bihariosaurus
  • "Bilbeyhallorum" — nomen nudum; Cedarpelta
  • Bissektipelta
  • "Blancocerosaurus" — nomen nudum, probably Brachiosaurus or Giraffatitan
  • Blikanasaurus
  • Bonatitan
  • Bonitasaura
  • Borealosaurus
  • Borogovia
  • Bothriospondylus
  • Brachiosaurus
  • Brachyceratops
  • Brachylophosaurus
  • Brachypodosaurus
  • Brachyrophus — junior synonym of Camptosaurus
  • Brachytaenius — actually some sort of non-dinosaurian reptile, possibly the same as Dakosaurus
  • Brachytrachelopan
  • Bradycneme
  • Brasileosaurus — actually a non-dinosaurian archosaur
  • Breviceratops
  • Brohisaurus
  • "Brontoraptor" — nomen nudum
  • Brontosaurus — junior synonym of Apatosaurus
  • Bruhathkayosaurus
  • Bugenasaura
  • Buitreraptor
  • "Byranjaffia" — nomen nudum; Byronosaurus
  • Byronosaurus

C

  • Caenagnathasia
  • Caenagnathus — probable junior synonym of Chirostenotes
  • Calamosaurus
  • Calamospondylus (Fox, 1866)
  • "Calamospondylus" (Lydekker, 1889) — preoccupied name, now known as Calamosaurus
  • Callovosaurus
  • Camarasaurus
  • Camelotia
  • Camposaurus
  • "Camptonotus" — preoccupied name, now known as Camptosaurus
  • Camptosaurus
  • "Campylodon" — preoccupied name, now known as Campylodoniscus
  • Campylodoniscus
  • "Capitalsaurus" — nomen nudum
  • Carcharodontosaurus
  • Cardiodon
  • "Carnosaurus" — nomen nudum, probably a typographical error for "carnosaur"
  • Carnotaurus
  • Caseosaurus
  • Cathartesaura
  • Cathetosaurus — junior synonym of Camarasaurus
  • Caudipteryx
  • Caudocoelus — junior synonym of Teinurosaurus
  • Caulodon — junior synonym of Camarasaurus
  • Cedarosaurus
  • Cedarpelta
  • Cedrorestes
  • Centemodon — actually a phytosaur
  • Centrosaurus
  • Cerasinops
  • Ceratops
  • Ceratosaurus
  • Cetiosauriscus
  • Cetiosaurus
  • Changchunsaurus
  • "Changdusaurus"[4]nomen nudum
  • "Changtusaurus" — variant spelling of "Changdusaurus"
  • Chaoyangosaurus[4] — misspelling of Chaoyangsaurus
  • Chaoyangsaurus
  • Charonosaurus
  • Chasmosaurus
  • Chassternbergia — junior synonym of Edmontonia
  • Chebsaurus
  • Cheneosaurus — junior synonym of Hypacrosaurus
  • Chialingosaurus
  • Chiayusaurus
  • Chienkosaurus — actually a chimera of crocodilian and theropod (Szechuanosaurus) remains
  • "Chihuahuasaurus" — nomen nudum; Sonorasaurus
  • Chilantaisaurus
  • Chindesaurus
  • Chingkankousaurus
  • Chinshakiangosaurus
  • Chirostenotes
  • Chondrosteosaurus
  • Chondrosteus[5] — misspelling of Chondrosteosaurus
  • Chuandongocoelurus
  • Chuanjiesaurus
  • Chubutisaurus
  • Chungkingosaurus
  • "Cinizasaurus"[6]nomen nudum
  • Cionodon
  • Citipati
  • Cladeiodon — actually a non-dinosaurian archosaur (Teratosaurus)
  • Claorhynchus — possibly Triceratops
  • Claosaurus
  • Clarencea — actually a sphenosuchian (Sphenosuchus)
  • Clasmodosaurus
  • Clepsysaurus — actually a non-dinosaurian archosaur, except for C. fraserianus, which is part of the taxonomy of Palaeosaurus
  • "Clevelanotyrannus"[4]nomen nudum; Nanotyrannus
  • Coelophysis
  • "Coelosaurus" — preoccupied name, now known as Ornithomimus and Archaeornithomimus.
  • Coeluroides
  • Coelurosauravus — actually a prolacertiform archosauromorph
  • "Coelurosaurus" — nomen nudum, probably a typographical error for "coelurosaur"
  • Coelurus
  • Colepiocephale
  • Colonosaurus — junior synonym of the bird Ichthyornis dispar
  • "Coloradia" — preoccupied name, now known as Coloradisaurus
  • Coloradisaurus
  • "Colossosaurus" — nomen nudum; Pelorosaurus
  • "Comanchesaurus"[6]nomen nudum
  • Compsognathus
  • Compsosuchus
  • Conchoraptor
  • Condorraptor
  • Corythosaurus
  • Craspedodon
  • Crataeomus — junior synonym of Struthiosaurus
  • Craterosaurus
  • Creosaurus — junior synonym of Allosaurus
  • Crichtonsaurus
  • Cristatusaurus
  • Crosbysaurus — actually a non-dinosaurian archosauriform
  • Cryolophosaurus
  • Cryptodraco — junior synonym (unneeded replacement name) of Cryptosaurus
  • "Cryptoraptor"[6]nomen nudum
  • Cryptosaurus
  • Cryptovolans
  • Cumnoria — junior synonym of Camptosaurus
  • "Cylindricodon" — preoccupied name, now known as Hylaeosaurus
  • Cystosaurus — actually a crocodilian which through a typographical error was confused with Cryptosaurus

D

  • Daanosaurus
  • Dacentrurus
  • "Dachongosaurus" — nomen nudum
  • "Dachungosaurus"[4] — variant spelling of "Dachongosaurus"
  • Dakosaurus — actually a metriorhynchid crocodilian
  • "Damalasaurus" — nomen nudum
  • Dandakosaurus
  • Danubiosaurus — junior synonym of Struthiosaurus
  • "Daptosaurus" — nomen nudum; early manuscript name for Deinonychus
  • Dashanpusaurus
  • Daspletosaurus
  • Dasygnathoides — actually a non-dinosaurian archosaur, junior synonym of Ornithosuchus
  • "Dasygnathus" — preoccupied name, renamed Dasygnathoides
  • Datousaurus
  • Deinocheirus
  • Deinodon — possibly Gorgosaurus
  • Deinonychus
  • Deltadromeus
  • Denversaurus — junior synonym of Edmontonia
  • Deuterosaurus — actually a therapsid
  • Dianchungosaurus — actually a crocodilian
  • "Diceratops" — preoccupied name, has not yet been renamed
  • Diclonius
  • Dicraeosaurus
  • Didanodon — possibly a junior synonym of Lambeosaurus
  • Dilong
  • Dilophosaurus
  • Dimodosaurus — junior synonym of Plateosaurus
  • Dinheirosaurus
  • Dinodocus
  • "Dinosaurus" — preoccupied name, now known as Gresslyosaurus
  • Dinotyrannus — junior synonym of Tyrannosaurus
  • Diplodocus
  • Diplotomodon
  • Diracodon — junior synonym of Stegosaurus
  • Dolichosuchus
  • "Domeykosaurus" — nomen nudum
  • Dongbeititan
  • Doratodon — actually a crocodilian
  • Doryphorosaurus — junior synonym (unneeded replacement name) of Kentrosaurus
  • Draconyx
  • Dracorex
  • Dracopelta
  • Dracovenator
  • Dravidosaurus — actually a plesiosaurian
  • Drinker
  • Dromaeosauroides
  • Dromaeosaurus
  • Dromiceiomimus
  • Dromicosaurus — junior synonym of Massospondylus
  • Dryosaurus
  • Dryptosauroides
  • Dryptosaurus
  • Dubreuillosaurus
  • Dynamosaurus — junior synonym of Tyrannosaurus
  • Dyoplosaurus
  • Dysalotosaurus — junior synonym of Dryosaurus
  • Dysganus
  • Dyslocosaurus
  • Dystrophaeus
  • Dystylosaurus — junior synonym of Supersaurus

E

  • Echinodon
  • Edmarka
  • Edmontonia
  • Edmontosaurus
  • Efraasia
  • Einiosaurus
  • Ekrixinatosaurus
  • Elachistosuchus — a rhynchocephalian
  • Elaphrosaurus
  • Elmisaurus
  • Elopteryx
  • Elosaurus — junior synonym of Apatosaurus
  • "Elvisaurus" — nomen nudum; Cryolophosaurus
  • Emausaurus
  • Embasaurus
  • Empaterias — misspelling of Epanterias
  • Enigmosaurus
  • Eobrontosaurus
  • Eoceratops — junior synonym of Chasmosaurus
  • Eocursor
  • "Eohadrosaurus" — nomen nudum; Eolambia
  • Eolambia
  • Eolosaurus[4] — junior synonym of Aeolosaurus
  • Eoraptor
  • Eotriceratops
  • Eotyrannus
  • Epachthosaurus
  • Epanterias — may be Allosaurus
  • "Ephoenosaurus" — nomen nudum; Machimosaurus (a crocodilian)
  • Epicampodon — actually a proterosuchid archisauriform
  • Epidendrosaurus
  • Equijubus
  • Erectopus
  • Erketu
  • Erliansaurus
  • Erlicosaurus — misspelling of Erlikosaurus
  • Erlikosaurus
  • Eshanosaurus
  • "Euacanthus"[4]nomen nudum; junior synonym of Polacanthus
  • Eucamerotus
  • Eucentrosaurus — junior synonym (unneeded replacement name) of Centrosaurus
  • Eucercosaurus — possibly Anoplosaurus
  • Eucnemesaurus
  • Eucoelophysis — actually a non-dinosaurian dinosauromorph
  • "Eugongbusaurus" — nomen nudum
  • Euhelopus
  • Euoplocephalus
  • Eupodosaurus — a nothosaur synonymous with Lariosaurus
  • "Eureodon"[4]nomen nudum; Tenontosaurus
  • Eurolimnornis — possibly a bird
  • Euronychodon
  • Europasaurus
  • Euskelosaurus
  • Eustreptospondylus

F

  • Fabrosaurus — possibly Lesothosaurus
  • Falcarius
  • "Fenestrosaurus"[4]nomen nudum; Oviraptor
  • Ferganasaurus
  • Ferganosaurus[7] — misspelling of Ferganasaurus
  • Ferganocephale
  • Frenguellisaurus — junior synonym of Herrerasaurus
  • Fukuiraptor
  • Fukuisaurus
  • Fulengia
  • Fulgurotherium
  • "Fusinasus" — nomen nudum; Eotyrannus
  • Fusuisaurus
  • "Futabasaurus" — nomen nudum now identified as a plesiosaur
  • Futalognkosaurus
  • "Futalongkosaurus" — variant spelling of Futalognkosaurus

G

  • "Gadolosaurus" — nomen nudum
  • Galesaurus — actually a therapsid
  • Gallimimus
  • Galtonia — actually a pseudosuchian; possibly a junior synonym of Revueltosaurus
  • Galveosaurus
  • Galvesaurus — misspelling of Galveosaurus
  • Gargoyleosaurus
  • Garudimimus
  • Gasosaurus
  • Gasparinisaura
  • Gastonia
  • "Gavinosaurus" — nomen nudum; Eotyrannus
  • Genusaurus
  • Genyodectes
  • Geranosaurus
  • Giganotosaurus
  • Gigantoraptor
  • Gigantosaurus (Seeley, 1869)
  • "Gigantosaurus" (E. Fraas, 1908) — preoccupied name, now known as Tornieria, Malawisaurus, and Janenschia
  • Gigantoscelus — junior synonym of Euskelosaurus
  • Gigantspinosaurus
  • Gilmoreosaurus
  • "Ginnareemimus" — nomen nudum
  • Giraffatitan — possible junior synonym of Brachiosaurus
  • Glacialisaurus[8]
  • Glyptodontopelta
  • Gobipteryx — actually an enantiornithine bird
  • Gobisaurus
  • Gobititan
  • "Godzillasaurus" — nomen nudum; Gojirasaurus
  • Gojirasaurus
  • Gondwanatitan
  • Gongbusaurus
  • Gongxianosaurus
  • Gorgosaurus
  • Goyocephale
  • Graciliceratops
  • Graciliraptor
  • Gracilisuchus — actually a non-dinosaurian archosaur
  • "Gravisaurus" — nomen nudum; Lurdusaurus
  • Gravitholus
  • Gresslyosaurus — junior synonym of Plateosaurus
  • Griphornis — junior synonym of the bird Archaeopteryx
  • Griphosaurus — junior synonym of the bird Archaeopteryx
  • "Gripposaurus" — nomen nudum; "Gyposaurus" sinensis
  • Gryponyx — junior synonym of Massospondylus
  • Gryposaurus
  • Guaibasaurus
  • Guanlong
  • Gwyneddosaurus — a tanystrophid
  • Gyposaurus

H

  • "Hadrosauravus"[4]nomen nudum; junior synonym of Gryposaurus
  • Hadrosaurus
  • Hagryphus
  • Hallopus — actually a crocodilian
  • Halticosaurus
  • Hanssuesia
  • "Hanwulosaurus" — nomen nudum
  • Haplocanthosaurus
  • Haplocanthus — preoccupied name, now known as Haplocanthosaurus
  • Harpymimus
  • Hecatasaurus — junior synonym of Telmatosaurus
  • "Heilongjiangosaurus" — nomen nudum
  • Heishansaurus
  • "Helopus" — preoccupied name, now known as Euhelopus
  • Heptasteornis
  • Herbstosaurus — actually a pterosaur
  • Herrerasaurus
  • Hesperosaurus
  • Heterodontosaurus
  • Heterosaurus — junior synonym of Iguanodon
  • Hexinlusaurus
  • Heyuannia
  • Hierosaurus — junior synonym of Nodosaurus
  • Hikanodon — junior synonym of Iguanodon
  • "Hironosaurus" — nomen nudum
  • "Hisanohamasaurus" — nomen nudum
  • Histriasaurus
  • Homalocephale
  • "Honghesaurus" — nomen nudum; Yandusaurus
  • Hongshanosaurus
  • Hoplitosaurus
  • Hoplosaurus — junior synonym of Struthiosaurus
  • Hortalotarsus — junior synonym of Massospondylus
  • Huabeisaurus
  • Huanghetitan
  • Huaxiagnathus
  • "Huaxiasaurus" — nomen nudum; Huaxiagnathus
  • Huayangosaurus
  • Hudiesaurus
  • Hulsanpes — possibly a bird
  • Hungarosaurus
  • Hylaeosaurus
  • Hylosaurus — junior synonym of Hylaeosaurus
  • Hypacrosaurus
  • Hypselosaurus
  • "Hypselorhachis" — nomen nudum
  • Hypsibema
  • Hypsilophodon
  • Hypsirophus — probable junior synonym of Stegosaurus

I

  • "Ichabodcraniosaurus" — nomen nudum
  • Iguanodon
  • "Iguanoides" — nomen nudum; Iguanodon
  • "Iguanosaurus"[4]nomen nudum; Iguanodon
  • Iliosuchus
  • Ilokelesia
  • Incisivosaurus
  • Indosaurus
  • Indosuchus
  • "Ingenia" — preoccupied name, has not yet been renamed
  • Inosaurus
  • Irritator
  • Isanosaurus
  • Ischisaurus — junior synonym of Herrerasaurus
  • "Ischyrosaurus" — preoccupied name, has not yet been renamed
  • Isisaurus
  • "Issasaurus" — nomen nudum; Dicraeosaurus
  • Itemirus
  • Iuticosaurus

J

  • Jainosaurus
  • Janenschia
  • Jaxartosaurus
  • Jeholornis — actually a bird; junior synonym of Shenzhouraptor
  • Jeholosaurus
  • Jenghizkhan — junior synonym of Tarbosaurus
  • "Jensenosaurus" — nomen nudum; Supersaurus
  • "Jiangjunmiaosaurus"[4]nomen nudum; Monolophosaurus
  • Jiangjunosaurus
  • Jiangshanosaurus
  • Jinfengopteryx
  • Jingshanosaurus
  • Jinzhousaurus
  • Jiutaisaurus
  • Jixiangornis — actually a bird
  • Jobaria
  • Jubbulpuria
  • Jurapteryx — junior synonym of the bird Archaeopteryx
  • "Jurassosaurus" — nomen nudum; Tianchisaurus
  • Juravenator

K

  • "Kagasaurus" — nomen nudum
  • Kaijiangosaurus
  • Kakuru
  • Kangnasaurus
  • Karongasaurus
  • "Katsuyamasaurus" — nomen nudum
  • Kelmayisaurus
  • Kentrosaurus
  • Kentrurosaurus — junior synonym (unneeded replacement name) of Kentrosaurus
  • Kerberosaurus
  • Khaan
  • "Khateranisaurus"[9] — misspelling of "Khetranisaurus"
  • Khetranisaurus
  • "Kitadanisaurus" — nomen nudum; Fukuiraptor
  • "Kittysaurus" — nomen nudum; Eotyrannus
  • Klamelisaurus
  • Koparion
  • "Koreanosaurus" — nomen nudum
  • "Koreasaurus"[4]nomen nudum; probably an alternate spelling of "Koreanosaurus"
  • Kotasaurus
  • Koutalisaurus
  • Kritosaurus
  • Krzyzanowskisaurus — probably a pseudosuchian (?Revueltosaurus)
  • Kulceratops
  • Kunmingosaurus — may be a nomen nudum
  • Kuszholia — probably a bird

L

  • Labocania
  • Labrosaurus — junior synonym of Allosaurus
  • Laelaps — preoccupied name, now known as Dryptosaurus
  • Laevisuchus
  • Lagerpeton — actually a non-dinosaurian dinosauromorph
  • Lagosuchus — actually a non-dinosaurian dinosauromorph
  • Lamaceratops
  • Lambeosaurus
  • Lametasaurus
  • Lamplughsaura
  • Lanasaurus
  • "Lancangjiangosaurus"[4] — variant spelling of "Lancanjiangosaurus"
  • "Lancangosaurus"[4]nomen nudum; Datousaurus
  • "Lancanjiangosaurus" — nomen nudum
  • Lanzhousaurus
  • Laornis — actually a bird
  • Laosaurus
  • Laplatasaurus
  • Lapparentosaurus
  • Leaellynasaura
  • Leipsanosaurus — junior synonym of Struthiosaurus
  • "Lengosaurus" — nomen nudum; Eotyrannus
  • Leptoceratops
  • Leptospondylus — junior synonym of Massospondylus
  • Lesothosaurus
  • Lessemsaurus
  • Lewisuchus — actually a non-dinosaurian dinosauromorph
  • Lexovisaurus
  • Liaoceratops
  • Liaoningosaurus
  • "Liassaurus" — nomen nudum
  • Libycosaurus — actually an anthracothere mammal
  • Ligabueino
  • Ligabuesaurus
  • "Ligomasaurus" — nomen nudum, probably Brachiosaurus or Giraffatitan
  • "Likhoelesaurus" — nomen nudum; possibly non-dinosaurian
  • Liliensternus
  • Limaysaurus
  • "Limnornis" — preoccupied name, now known as the birds Eurolimnornis and Palaeocursornis
  • "Limnosaurus" — preoccupied name, now known as Telmatosaurus
  • Lirainosaurus
  • Lisboasaurus — actually a crocodilian
  • Loncosaurus
  • Longisquama — actually some sort of non-dinosaurian reptile
  • Longosaurus — junior synonym of Coelophysis
  • Lophorhothon
  • Lophostropheus
  • Loricosaurus — possible junior synonym of Neuquensaurus
  • Losillasaurus
  • Lourinhanosaurus
  • Lourinhasaurus
  • Luanchuanraptor
  • "Luanpingosaurus" — nomen nudum; Psittacosaurus
  • Lucianosaurus — actually a non-dinosaurian archosauriform
  • Lufengocephalus — junior synonym of Lufengosaurus
  • Lufengosaurus
  • Lukousaurus
  • Lurdusaurus
  • Lusitanosaurus
  • Lusotitan
  • Lycorhinus

M

  • Macelognathus — actually a sphenosuchian crocodilian
  • Macrodontophion
  • Macrophalangia — junior synonym of Chirostenotes
  • "Macroscelosaurus" — nomen nudum; probable junior synonym of Tanystropheus
  • Macrurosaurus
  • "Madsenius" — nomen nudum
  • Magnirostris
  • Magnosaurus
  • "Magulodon" — nomen nudum
  • Magyarosaurus
  • Mahakala
  • Maiasaura
  • Majungasaurus
  • Majungatholus — probable junior synonym of Majungasaurus
  • Malawisaurus
  • Maleevosaurus — junior synonym of Tarbosaurus
  • Maleevus
  • Mamenchisaurus
  • Mandschurosaurus
  • Manospondylus — synonym of Tyrannosaurus
  • Mantellisaurus
  • Mapusaurus
  • Marasuchus — actually a non-dinosaurian dinosauromorph
  • Marisaurus
  • Marmarospondylus — probable junior synonym of Bothriospondylus
  • Marshosaurus
  • Masiakasaurus
  • Massospondylus
  • Maxakalisaurus
  • "Medusaceratops" — nomen nudum; Albertaceratops
  • "Megacervixosaurus" — nomen nudum
  • Megadactylus — preoccupied name, now known as Anchisaurus
  • "Megadontosaurus"[4]nomen nudum; Microvenator
  • Megalosaurus
  • Megapnosaurus
  • Megaraptor
  • Mei
  • Melanorosaurus
  • Mendozasaurus
  • "Merosaurus" — nomen nudum
  • Metriacanthosaurus
  • "Microcephale" — nomen nudum
  • "Microceratops" — preoccupied name, has not yet been renamed
  • Microcoelus — junior synonym of Saltasaurus
  • "Microdontosaurus" — nomen nudum
  • Microhadrosaurus
  • Micropachycephalosaurus
  • Microraptor
  • Microsaurops — junior synonym of Saltasaurus
  • Microvenator
  • "Mifunesaurus" — nomen nudum
  • Minmi
  • Mirischia
  • "Moabosaurus" — nomen nudum
  • Mochlodon
  • "Mohammadisaurus" — nomen nudum; Tornieria
  • Mongolosaurus
  • Monkonosaurus
  • Monoclonius
  • Monolophosaurus
  • "Mononychus" — preoccupied name, now known as Mononykus
  • Mononykus — possibly a bird
  • Montanoceratops
  • Morinosaurus
  • Morosaurus — junior synonym of Camarasaurus
  • "Moshisaurus"[4]nomen nudum; ?Mamenchisaurus
  • "Mtapaiasaurus" — nomen nudum, probably Brachiosaurus or Giraffatitan
  • "Mtotosaurus" — nomen nudum; Dicraeosaurus
  • Mussaurus
  • Muttaburrasaurus
  • "Muyelensaurus" — nomen nudum
  • Mymoorapelta

N

  • Naashoibitosaurus
  • Nanningosaurus
  • Nanosaurus
  • Nanotyrannus
  • Nanshiungosaurus
  • Nanyangosaurus
  • "Nectosaurus" — preoccupied name, now known as Kritosaurus
  • Nedcolbertia
  • Neimongosaurus
  • "Nemegtia" — preoccupied name, now known as Nemegtomaia
  • Nemegtomaia
  • Nemegtosaurus
  • "Neosaurus" — preoccupied name, now known as Parrosaurus (possible junior synonym of Hypsibema)
  • Neosodon
  • Neovenator
  • Neuquenraptor
  • Neuquensaurus
  • "Newtonsaurus" — nomen nudum
  • "Ngexisaurus" — nomen nudum
  • Nigersaurus
  • "Ninghsiasaurus" — nomen nudum; Pinacosaurus
  • Niobrarasaurus
  • Nipponosaurus
  • Noasaurus
  • Nodocephalosaurus
  • Nodosaurus
  • Nomingia
  • Nopcsaspondylus
  • Nothronychus
  • Notoceratops
  • Notohypsilophodon
  • "Nouerosaurus"[4] — variant spelling of Nurosaurus
  • Nqwebasaurus
  • "Nteregosaurus" — nomen nudum; Janenschia
  • "Nuoerosaurus" — variant spelling of Nurosaurus
  • "Nuoersaurus" — variant spelling of Nurosaurus
  • "Nurosaurus"[4]nomen nudum
  • Nuthetes
  • "Nyasasaurus" — nomen nudum; ?non-dinosaurian
  • "Nyororosaurus" — nomen nudum; Dicraeosaurus

O

  • Ohmdenosaurus
  • Oligosaurus — junior synonym of Rhabdodon
  • Olorotitan
  • Omeisaurus
  • Omnivoropteryx - probably a bird
  • "Omosaurus" — preoccupied name, now known as Dacentrurus
  • Onychosaurus — synonym of Rhabdodon, or a dubious ankylosaurian
  • Opisthocoelicaudia
  • Oplosaurus
  • "Orcomimus" — nomen nudum
  • Orinosaurus — junior synonym (unneeded replacement name) of Orosaurus
  • Ornatotholus
  • Ornithodesmus
  • "Ornithoides"[4]nomen nudum; Saurornithoides
  • Ornitholestes
  • Ornithomerus — junior synonym of Rhabdodon
  • Ornithomimoides
  • Ornithomimus
  • Ornithopsis
  • Ornithosuchus — actually a non-dinosaurian archosaur
  • Ornithotarsus — possible junior synonym of Hadrosaurus
  • Orodromeus
  • Orosaurus — ?junior synonym of Euskelosaurus
  • Orthogoniosaurus
  • Orthomerus
  • Oryctodromeus
  • "Oshanosaurus" — nomen nudum
  • Othnielia
  • Othnielosaurus
  • "Otogosaurus" — nomen nudum
  • Ouranosaurus
  • Oviraptor
  • "Ovoraptor"[4]nomen nudum; Velociraptor
  • Ozraptor

P

  • Pachycephalosaurus
  • Pachyrhinosaurus
  • Pachysauriscus — probable junior synonym of Plateosaurus
  • Pachysaurops — probable junior synonym of Plateosaurus
  • "Pachysaurus" — preoccupied name, now known as Pachysauriscus; probable junior synonym of Plateosaurus
  • Pachyspondylus — probable junior synonym of Massospondylus
  • Pakisaurus
  • Palaeoctonus — actually a phytosaur
  • Palaeocursornis — possibly a bird
  • "Palaeolimnornis" — nomen nudum; Palaeocursornis, probable bird
  • Palaeopteryx — possibly a bird
  • Palaeosauriscus — junior synonym of Paleosaurus
  • "Palaeosaurus" (Riley & Stutchbury, 1836) — preoccupied name, now known as Paleosaurus
  • "Palaeosaurus" (Fitzinger, 1840) — preoccupied name, now known as Sphenosaurus, a non-dinosaurian procolophonid
  • Palaeoscincus
  • Paleosaurus — actually a non-dinosaurian archosaur
  • Paluxysaurus
  • Panoplosaurus
  • Pantydraco
  • "Paraiguanodon"[4]nomen nudum; Bactrosaurus
  • Paralititan
  • Paranthodon
  • Pararhabdodon
  • Parasaurolophus
  • Pareiasaurus — actually a pareiasaur
  • "Parhabdodon"[4]nomen nudum; misspelling of Pararhabdodon
  • Parksosaurus
  • Paronychodon
  • Parrosaurus — possible junior synonym of Hypsibema
  • Parvicursor — possibly a bird
  • Patagonykus — possibly a bird
  • Patagosaurus
  • "Patricosaurus" — actually a chimera of various non-dinosaurian reptiles
  • Pawpawsaurus
  • Pectinodon — junior synonym of Troodon
  • Pedopenna
  • Peishansaurus
  • Pekinosaurus — actually a pseudosuchian; possibly a junior synonym of Revueltosaurus
  • Pelecanimimus
  • Pellegrinisaurus
  • Pelorosaurus
  • "Peltosaurus" — preoccupied name, now known as Sauropelta
  • Penelopognathus
  • Pentaceratops
  • Phaedrolosaurus
  • Phuwiangosaurus
  • Phyllodon
  • Piatnitzkysaurus
  • Picrodon — junior synonym of Avalonianus
  • Pinacosaurus
  • Pisanosaurus
  • Piveteausaurus
  • Planicoxa
  • Plateosauravus
  • Plateosaurus
  • Platyceratops
  • Pleurocoelus — possibly Astrodon
  • Pleuropeltus — junior synonym of Struthiosaurus
  • Pneumatoarthrus — actually a turtle
  • Podokesaurus
  • Poekilopleuron
  • Polacanthoides — junior synonym of Hylaeosaurus
  • Polacanthus
  • Polyodontosaurus — junior synonym of Troodon
  • Polyonax
  • Ponerosteus
  • Poposaurus — actually a non-dinosaurian archosaur
  • Postosuchus — actually a rauisuchian
  • Pradhania
  • Prenocephale
  • Prenoceratops
  • Priconodon
  • Priodontognathus
  • Probactrosaurus
  • Proceratops — junior synonym (unneeded replacement name) of Ceratops
  • Proceratosaurus
  • Procerosaurus (von Huene, 1902) — actually a prolacertiform archosauromorph
  • "Procerosaurus" (Fritsch, 1905) — preoccupied name, now known as Ponerosteus
  • Procheneosaurus — junior synonym of Lambeosaurus
  • Procompsognathus
  • Prodeinodon
  • "Proiguanodon" — nomen nudum; Iguanodon
  • Prosaurolophus
  • Protarchaeopteryx
  • Protecovasaurus — actually a non-dinosaurian archosauriform
  • Protiguanodon — junior synonym of Psittacosaurus
  • Protoavis — supposedly a bird
  • Protoceratops
  • Protognathosaurus
  • "Protognathus" — preoccupied name, now known as Protognathosaurus
  • Protohadros
  • Protorosaurus (von Meyer, 1830) — actually a non-dinosaurian reptile
  • "Protorosaurus" (Lambe, 1914) — preoccupied name, now known as Chasmosaurus
  • "Protrachodon" — nomen nudum; Orthomerus
  • "Proyandusaurus" — nomen nudum; Hexinlusaurus.
  • Pseudolagosuchus — actually a non-dinosaurian dinosauromorph
  • Psittacosaurus
  • Pteropelyx
  • Pterospondylus
  • Puertasaurus
  • Pukyongosaurus
  • Pycnonemosaurus
  • Pyroraptor

Q

  • Qantassaurus
  • Qinlingosaurus
  • Quaesitosaurus
  • Quilmesaurus

R

  • Rachitrema — possibly an ichthyosaur
  • "Rahona" — preoccupied name, now known as Rahonavis
  • Rahonavis — possibly a bird
  • Rajasaurus
  • Rapator
  • Rapetosaurus
  • Rayososaurus
  • Razanandrongobe — may be a theropod or crocodylomorph
  • Rebbachisaurus
  • Regnosaurus
  • "Revueltoraptor" — nomen nudum; junior synonym of Gojirasaurus[6]
  • Revueltosaurus — actually a pseudosuchian
  • Rhabdodon
  • Rhadinosaurus — may be non-dinosaurian (?crocodilian)
  • Rhaetosaurus — misspelling of Rhoetosaurus
  • Rhodanosaurus — junior synonym of Struthiosaurus
  • Rhoetosaurus
  • Rhopalodon — actually a synapsid
  • Ricardoestesia — intended but unofficial spelling of Richardoestesia
  • Richardoestesia
  • "Rileya" — preoccupied name, now known as Rileyasuchus
  • Rileyasuchus — a chimera of phytosaur and Thecodontosaurus remains
  • Rinchenia
  • Rinconsaurus
  • Rioarribasaurus — junior synonym of Coelophysis
  • Riojasaurus
  • Riojasuchus — actually a non-dinosaurian archosaur
  • Rocasaurus
  • "Roccosaurus"[4]nomen nudum; Melanorosaurus
  • Ruehleia
  • Rugops
  • "Rutellum" — pre-Linnaean name

S

  • Sacisaurus — probably a dinosauromorph
  • Saichania
  • "Salimosaurus" — nomen nudum, probably Brachiosaurus or Giraffatitan
  • Saltasaurus
  • Saltopus — probably a dinosauromorph
  • "Saltriosaurus" — nomen nudum
  • "Sanchusaurus"[4]nomen nudum
  • "Sangonghesaurus"[4]nomen nudum
  • Sanpasaurus
  • Santanaraptor
  • Sarcolestes
  • Sarcosaurus
  • Saturnalia
  • Sauraechinodon[4] — junior synonym of Echinodon
  • "Sauraechmodon" — nomen nudum; Echinodon
  • Saurolophus
  • Sauropelta
  • Saurophaganax
  • "Saurophagus" — preoccupied name, now known as Saurophaganax
  • Sauroplites
  • "Sauropodus"[10]nomen nudum
  • Sauroposeidon
  • Saurornithoides
  • Saurornitholestes
  • Scansoriopteryx — possible junior synonym of Epidendrosaurus
  • Scaphonyx — actually a rhynchosaur
  • Scelidosaurus
  • Scipionyx
  • Scleromochlus — actually a non-dinosaurian avemetatarsalian
  • Scolosaurus — junior synonym of Euoplocephalus
  • "Scrotum" — a nomen oblitum no longer considered valid
  • Scutellosaurus
  • Secernosaurus
  • Segisaurus
  • Segnosaurus
  • Seismosaurus — junior synonym of Diplodocus
  • "Selimanosaurus" — nomen nudum; Dicraeosaurus
  • Sellosaurus
  • Serendipaceratops
  • Shamosaurus
  • Shanshanosaurus — junior synonym of Tarbosaurus
  • Shantungosaurus
  • Shanag
  • Shanxia
  • Shanyangosaurus
  • Shenzhouraptor — actually a bird, also known as Jeholornis
  • Shenzhousaurus
  • Shixinggia
  • Shuangmiaosaurus
  • Shunosaurus
  • Shuosaurus[4] — misspelling of Shunosaurus
  • Shuvosaurus — actually a rauisuchian
  • Shuvuuia — possibly a bird
  • Siamosaurus
  • Siamotyrannus
  • Sigilmassasaurus
  • Silesaurus — probably a dinosauromorph
  • Siluosaurus
  • Silvisaurus
  • Sinocalliopteryx
  • Sinocoelurus
  • Sinornithoides
  • Sinornithomimus
  • Sinornithosaurus
  • Sinosauropteryx
  • Sinosaurus
  • Sinovenator
  • Sinraptor
  • Sinucerasaurus — junior synonym of Sinusonasus
  • Sinusonasus
  • "Smilodon" — preoccupied name, now known as Zanclodon
  • Sonidosaurus
  • Sonorasaurus
  • Sphaerotholus
  • Sphenosaurus — actually a non-dinosaurian reptile
  • Sphenospondylus — junior synonym of Iguanodon
  • Spinosaurus
  • Spinostropheus
  • Spinosuchus — actually a non-dinosaurian reptile
  • Spondylosoma — possibly a rauisuchian
  • Squalodon — actually a cetacean
  • Staurikosaurus
  • Stegoceras
  • Stegopelta
  • Stegosaurides
  • "Stegosauroides"[4] — misspelling of Stegosaurides
  • Stegosaurus
  • Stenonychosaurus — junior synonym of Troodon
  • Stenopelix
  • Stenotholus — junior synonym of Stygimoloch
  • Stephanosaurus — junior synonym of Lambeosaurus
  • "Stereocephalus" — preoccupied name, now known as Euoplocephalus
  • "Stereosaurus" — nomen nudum; possibly a plesiosaur
  • Sterrholophus — junior synonym of Triceratops
  • Stokesosaurus
  • Stormbergia
  • Strenusaurus — junior synonym of Riojasaurus
  • Streptospondylus
  • Struthiomimus
  • Struthiosaurus
  • Stygimoloch
  • Stygivenator — junior synonym of Tyrannosaurus
  • Styracosaurus
  • Succinodon — actually fossilized mollusc borings
  • Suchomimus
  • Suchosaurus — originally described as a crocodile, possibly a spinosaurid
  • Suchoprion — actually a phytosaur
  • "Sugiyamasaurus" — nomen nudum
  • Sulaimanisaurus
  • "Sulaimansaurus"[9] — misspelling of "Sulaimanisaurus"
  • Supersaurus
  • Suuwassea
  • Suzhousaurus
  • Symphyrophus — junior synonym of Camptosaurus
  • Syngonosaurus — junior synonym of Acanthopholis
  • "Syntarsus" — preoccupied name, now known as Megapnosaurus
  • Syrmosaurus — junior synonym of Pinacosaurus
  • "Szechuanoraptor" — nomen nudum
  • Szechuanosaurus

T

  • Talarurus
  • Talenkauen
  • Tangvayosaurus
  • Tanius
  • Tanycolagreus
  • Tanystropheus — actually a prolacertiform archosauromorph
  • Tanystrosuchus — possible junior synonym of Halticosaurus or Liliensternus
  • Tapinocephalus — actually a therapsid
  • Tarascosaurus
  • Tarbosaurus
  • Tarchia
  • Tatisaurus
  • Taveirosaurus
  • Tawasaurus — junior synonym of Lufengosaurus
  • Tazoudasaurus
  • Technosaurus — possibly a dinosauromorph
  • Tecovasaurus — actually a non-dinosaurian archosauriform
  • Tehuelchesaurus
  • Teinurosaurus
  • "Teleocrater" — nomen nudum; possibly non-dinosaurian
  • Telmatosaurus
  • "Tenantosaurus"[4]nomen nudum; Tenontosaurus
  • "Tenchisaurus"[11]nomen nudum; actually an unpublished museum name for Tianchisaurus
  • Tendaguria
  • Tenontosaurus
  • Teratosaurus — actually a non-dinosaurian archosaur
  • Termatosaurus — actually a phytosaur, with some Internet sources accidentally transposing species of Tetragonosaurus onto it
  • Tetragonosaurus — junior synonym of Lambeosaurus
  • Texasetes
  • Teyuwasu
  • Thecocoelurus
  • Thecodontosaurus
  • Thecospondylus
  • Theiophytalia
  • Therizinosaurus
  • Therosaurus — junior synonym of Iguanodon
  • Thescelosaurus
  • Thespesius — possibly Edmontosaurus
  • "Thotobolosaurus" — nomen nudum
  • Tianchisaurus
  • "Tianchungosaurus" — nomen nudum; Dianchungosaurus (crocodilian)
  • Tianzhenosaurus
  • Tichosteus
  • Tienshanosaurus
  • Timimus
  • Titanosaurus (Lydekker, 1877)
  • "Titanosaurus" (Marsh, 1877) — preoccupied name, now known as Atlantosaurus
  • Tochisaurus
  • "Tomodon" — preoccupied name, now known as Diplotomodon
  • "Tonouchisaurus" — nomen nudum
  • Tornieria
  • Torosaurus
  • Torvosaurus
  • Trachodon
  • Trialestes — actually a crocodilian
  • "Triassolestes" — preoccupied name, now known as Trialestes
  • Tribelesodon — actually Tanystropheus, a prolacertiform archosauromorph
  • Triceratops
  • Trigonosaurus
  • Trimucrodon
  • Troodon
  • Tsaagan
  • Tsagantegia
  • Tsintaosaurus
  • Tugulusaurus
  • Tuojiangosaurus
  • Turanoceratops
  • Turiasaurus
  • Tylocephale
  • Tylosteus — synonym of Pachycephalosaurus
  • Tyrannosaurus
  • Tyrannotitan
  • "Tyreophorus" — nomen nudum, probably a typographical error for "thyreophoran"

U

  • Udanoceratops
  • Ugrosaurus — probably junior synonym of Triceratops
  • Uintasaurus — junior synonym of Camarasaurus
  • Ultrasauros — junior synonym of Supersaurus
  • Ultrasaurus (H. M. Kim, 1983)
  • "Ultrasaurus" (Jensen, 1985) — preoccupied name, now known as Ultrasauros
  • Umarsaurus[4]nomen nudum; Barsboldia
  • Unaysaurus
  • Unenlagia
  • "Unicerosaurus" — nomen nudum, actually a fish
  • Unquillosaurus
  • Urbacodon
  • Utahraptor

V

  • Valdoraptor
  • Valdosaurus
  • Variraptor
  • Vectensia — junior synonym of Hylaeosaurus
  • Vectisaurus — junior synonym of Iguanodon
  • Velafrons
  • Velocipes
  • Velociraptor
  • Velocisaurus
  • Venaticosuchus — actually a non-dinosaurian archosaur
  • Venenosaurus
  • Vitakridrinda[12]
  • "Vitaridrinda"[9] — misspelling of Vitakridrinda
  • Volkheimeria
  • Vulcanodon

W

  • Wakinosaurus
  • Walgettosuchus
  • "Walkeria" — preoccupied name, now known as Alwalkeria
  • "Walkersaurus" — nomen nudum
  • "Wangonisaurus" — nomen nudum, probably Brachiosaurus or Giraffatitan
  • Wannanosaurus
  • Wellnhoferia — actually a bird, possible junior synonym of Archaeopteryx
  • Wuerhosaurus
  • Wyleyia — probably a bird
  • "Wyomingraptor" — nomen nudum

X

  • Xenoposeidon [13]
  • Xenotarsosaurus
  • Xiaosaurus
  • Xinjiangovenator
  • Xuanhanosaurus
  • Xuanhuaceratops
  • "Xuanhuasaurus"[4]nomen nudum; Xuanhuaceratops

Y

  • Yaleosaurus — junior synonym of Anchisaurus
  • Yamaceratops
  • Yandusaurus
  • Yangchuanosaurus
  • Yanornis — actually a bird
  • Yaverlandia
  • Yaxartosaurus[4] — misspelling of Jaxartosaurus
  • "Yezosaurus" — nomen nudum; non-dinosaurian
  • "Yibinosaurus" — nomen nudum
  • Yimenosaurus
  • "Yingshanosaurus" — nomen nudum
  • Yinlong
  • Yixianosaurus
  • Yuanmousaurus
  • "Yubasaurus" — nomen nudum; Yandusaurus
  • Yunnanosaurus
  • "Yunxiansaurus" — nomen nudum

Z

  • Zalmoxes
  • Zanclodon — non-dinosaurian (in part), some species referred to Megalosaurus and Plateosaurus
  • Zapalasaurus
  • Zapsalis — junior synonym of Paronychodon
  • Zatomus — actually a non-dinosaurian archosaur
  • Zephyrosaurus
  • Zhejiangosaurus
  • Zhongyuansaurus
  • Zhuchengosaurus
  • Zigongosaurus — possible junior synonym of Mamenchisaurus
  • Zizhongosaurus
  • Zuniceratops
  • Zupaysaurus
 
La disparition des dinosaures