bio.wikisort.org - Animal Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233.23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research. They became the dominant terrestrial vertebrates after the Triassic–Jurassic extinction event 201.3 million years ago; their dominance continued throughout the Jurassic and Cretaceous periods. The fossil record demonstrates that birds are modern feathered dinosaurs, having evolved from earlier theropods during the Late Jurassic epoch. Birds were therefore the only dinosaur lineage to survive the Cretaceous–Paleogene extinction event approximately 66 million years ago. Dinosaurs can be divided into avian dinosaurs (birds) and non-avian dinosaurs, which are all dinosaurs other than birds.
Mounted skeletons of Tyrannosaurus (left) and Apatosaurus (right) at the AMNH This list of dinosaurs is a comprehensive listing of all genera that have ever been considered to be non-avian dinosaurs, but also includes some dinosaurs of disputed status (avian? or non-avian?, where "avian" refers to the clade Avialae), as well as purely vernacular terms.
The list includes all commonly accepted genera, but also genera that are now considered invalid, doubtful (nomen dubium ), or were not formally published (nomen nudum ), as well as junior synonyms of more established names, and genera that are no longer considered dinosaurs. Many listed names have been reclassified as everything from true birds to crocodilians to petrified wood. The list contains 1711 names, of which approximately 1276 are considered either valid dinosaur genera or nomina dubia .
Scope and terminology
There is no official, canonical list of all non-avian dinosaur genera. The closest is the Dinosaur Genera List , compiled by biological nomenclature expert George Olshevsky, which was first published online in 1995 and was regularly updated until June 2021.[1] [2] The Dinosauria . The vast majority of names listed below are sourced to Olshevsky's list, and all subjective determinations (such as junior synonymy or non-dinosaurian status) are based on The Dinosauria , except where they conflict with primary literature. These exceptions are noted.
Naming conventions and terminology follow the International Code of Zoological Nomenclature. Technical terms used include:[1]
Junior synonym : A name which describes the same taxon as a previously published name. If two or more genera are formally designated and the type specimens are later assigned to the same genus, the first to be published (in chronological order) is the senior synonym, and all other instances are junior synonyms. Senior synonyms are generally used, except by special decision of the ICZN (see Tyrannosaurus ), but junior synonyms cannot be used again for a different genus, even if deprecated. Junior synonymy is often subjective, unless the genera described were both based on the same type specimen.Nomen nudum Nomina nuda (the plural form) are invalid, and are therefore not italicized as a proper generic name would be. If the name is later formally published, that name is no longer a nomen nudum and will be italicized on this list. Often, the formally published name will differ from any nomina nuda that describe the same specimen.Nomen oblitum Nomen manuscriptum Preoccupied name : A name that is formally published, but which has already been used for another taxon. This second use is invalid (as are all subsequent uses) and the name must be replaced. Preoccupied names are not valid generic names.Nomen dubium Hadrosaurus ), no genera should be marked as such on this list.A
Aachenosaurus – subsequently found to be a piece of petrified woodAardonyx "Abdallahsaurus" – nomen nudum , synonym of Giraffatitan
Abdarainurus Abditosaurus [3] Abelisaurus Abrictosaurus Abrosaurus Abydosaurus Acantholipan Acanthopholis Achelousaurus Acheroraptor Achillesaurus Achillobator Acristavus Acrocanthosaurus Replica of an Allosaurus skeleton. Acrotholus Actiosaurus – subsequently found to be a choristoderanAdamantisaurus Adasaurus Adelolophus Adeopapposaurus Adratiklit Adynomosaurus Aegyptosaurus Aeolosaurus Aepisaurus Aepyornithomimus Aerosteon Aetonyx – junior synonym of Massospondylus Afromimus Afrovenator Agathaumas – possible synonym of Triceratops Aggiosaurus – subsequently found to be a metriorhynchid crocodilianAgilisaurus Agnosphitys – possibly non-dinosaurianAgrosaurus – probably a junior synonym of Thecodontosaurus Agujaceratops Agustinia Ahshislepelta "Airakoraptor" – nomen nudum ; Kuru
Ajancingenia – synonym of Heyuannia Ajkaceratops Ajnabia Akainacephalus Alamosaurus Alaskacephale Albalophosaurus Albertaceratops Albertadromeus Albertavenator Albertonykus Albertosaurus Albinykus Albisaurus – subsequently found to be a non-dinosaurian reptileAlcovasaurus – possible junior synonym of Miragaia Alectrosaurus Aletopelta Artist's reconstruction of Amargasaurus . Algoasaurus Alioramus Aliwalia – junior synonym of Eucnemesaurus Allosaurus Almas Alnashetri Alocodon Altirhinus Altispinax Alvarezsaurus Alwalkeria Alxasaurus Amanzia Amargasaurus "Amargastegos" – nomen nudum
Amargatitanis Amazonsaurus Ambopteryx Ammosaurus – junior synonym of Anchisaurus Ampelosaurus Amphicoelias "Amphicoelicaudia" – nomen nudum ; synonym of Huabeisaurus
"Amphisaurus " – preoccupied name, now known as Anchisaurus
Amtocephale Amtosaurus – possibly a junior synonym of Talarurus Amurosaurus Amygdalodon Anabisetia Analong Anasazisaurus Anatosaurus – junior synonym of Edmontosaurus Anatotitan – junior synonym of Edmontosaurus Anchiceratops Anchiornis Anchisaurus Andesaurus Artist's reconstruction of Anzu . "Andhrasaurus" – nomen nudum
Angaturama – possible junior synonym of Irritator "Angloposeidon" – nomen nudum
Angolatitan Angulomastacator Anhuilong Aniksosaurus Animantarx Ankistrodon – subsequently found to be a proterosuchid archosauriformAnkylosaurus Anodontosaurus Anomalipes Anoplosaurus Anserimimus Antarctopelta Antarctosaurus Antetonitrus Anthodon – subsequently found to be a pareiasaurAntrodemus – possibly a synonym of Allosaurus Anzu Aoniraptor Aorun Apatodon – possibly a junior synonym of Allosaurus Apatoraptor Apatosaurus Appalachiosaurus Aquilarhinus Aquilops Arackar Aragosaurus Aralosaurus Aratasaurus "Araucanoraptor" – nomen nudum ; Neuquenraptor
Archaeoceratops Archaeodontosaurus Artist's restoration of Archaeoceratops . Archaeopteryx – possibly a birdArchaeoraptor – a chimaera of the bird Yanornis and the dromaeosaur Microraptor Archaeornis – junior synonym of Archaeopteryx Archaeornithoides Archaeornithomimus Arcovenator Arctosaurus – subsequently found to be a non-dinosaurian reptileArcusaurus Arenysaurus Argentinosaurus Argyrosaurus Aristosaurus – junior synonym of Massospondylus Aristosuchus Arizonasaurus – subsequently found to be a rauisuchianArkansaurus Arkharavia Arrhinoceratops Arrudatitan Arstanosaurus Asfaltovenator Asiaceratops Asiamericana – a fishAsiatosaurus Asilisaurus – possibly non-dinosaurianAstrodon Astrodonius – junior synonym of Astrodon Astrodontaurus – junior synonym of Astrodon Astrophocaudia Asylosaurus Atacamatitan Atlantosaurus Atlasaurus Atlascopcosaurus Atrociraptor Atsinganosaurus Artist's restoration of Austroraptor . Aublysodon Aucasaurus "Augustia " – preoccupied name, now known as Agustinia
Augustynolophus Auroraceratops Aurornis Australodocus Australotitan Australovenator Austrocheirus Austroposeidon Austroraptor Austrosaurus Avaceratops "Avalonia " – preoccupied name, now known as Avalonianus
Avalonianus – subsequently found to be a non-dinosaurian archosaurAviatyrannis Avimimus Avipes – probably a non-dinosaurian dinosauromorphAvisaurus – subsequently found to be an enantiornithine birdAzendohsaurus – subsequently found to be a non-dinosaurian archosauromorphB
Baalsaurus Bactrosaurus Bagaceratops Bagaraatan Bagualia Bagualosaurus Bahariasaurus Bainoceratops Bajadasaurus "Bakesaurus" – nomen nudum ; Bactrosaurus
Balaur – possibly a bird"Balochisaurus" – nomen nudum
Bambiraptor Banji Bannykus Reconstructed skeletal mount of Baryonyx at the National Museum of Nature and Science, Tokyo. Baotianmansaurus Barapasaurus Barilium Barosaurus Barrosasaurus Barsboldia Baryonyx Bashanosaurus [4] "Bashunosaurus" – nomen nudum , Datousaurus
Basutodon – subsequently found to be a non-dinosaurian archosaurBathygnathus – a pelycosaur, Dimetrodon Batyrosaurus Baurutitan Bayannurosaurus "Bayosaurus" – nomen nudum
Becklespinax – junior synonym of Altispinax "Beelemodon" – nomen nudum
Beg Beibeilong Beipiaognathus – chimera of several unnamed dinosaursBeipiaosaurus Beishanlong Bellusaurus Belodon – subsequently found to be a phytosaurBerberosaurus Berthasaura [5] Betasuchus Bicentenaria Bienosaurus "Bihariosaurus" – nomen nudum
"Bilbeyhallorum" – nomen nudum ; Cedarpelta
Bissektipelta Bistahieversor Bisticeratops [6] "Blancocerosaurus" – nomen nudum , synonym of Giraffatitan
Blasisaurus Blikanasaurus Bolong Bonapartenykus Bonapartesaurus Bonatitan Bonitasaura Borealopelta Borealosaurus Boreonykus Borogovia Bothriospondylus Brachiosaurus Brachyceratops Brachylophosaurus Brachypodosaurus Brachyrophus – junior synonym of Camptosaurus Artist's restoration of Borealopelta . Brachytaenius – subsequently found to be a metriorhynchid; junior objective synonym of Dakosaurus or Geosaurus Brachytrachelopan Bradycneme Brasileosaurus – subsequently found to be a non-dinosaurian archosaurBrasilotitan Bravasaurus Bravoceratops Breviceratops Brighstoneus [7] Brohisaurus Brontomerus "Brontoraptor" – nomen nudum , synonym of Torvosaurus
Brontosaurus Bruhathkayosaurus Bugenasaura – junior synonym of Thescelosaurus Buitreraptor Burianosaurus Buriolestes "Byranjaffia" – nomen nudum ; Byronosaurus
Byronosaurus C
Caenagnathasia Caenagnathus Caieiria [8] Caihong Calamosaurus "Calamospondylus " – preoccupied name, now known as Calamosaurus
Calamospondylus Callovosaurus Camarasaurus Camarillasaurus Camelotia Camposaurus "Camptonotus " – preoccupied name, now known as Camptosaurus
Camptosaurus "Campylodon " – preoccupied name, now known as Campylodoniscus
Campylodoniscus Canardia "Capitalsaurus" – nomen nudum
Carcharodontosaurus Cardiodon Carnotaurus Caseosaurus Cathartesaura Cathetosaurus — possibly a species of Camarasaurus Centrosaurus skull.Caudipteryx Caudocoelus – junior synonym of Teinurosaurus Caulodon – junior synonym of Camarasaurus Cedarosaurus Cedarpelta Cedrorestes Centemodon – subsequently found to be a phytosaurCentrosaurus Cerasinops Ceratonykus Ceratops Ceratosaurus Ceratosuchops [9] Cetiosauriscus Cetiosaurus Changchunsaurus "Changdusaurus" – nomen nudum
Changmiania Changyuraptor Chaoyangsaurus Charonosaurus Chasmosaurus Chassternbergia – junior synonym of Edmontonia Chebsaurus Chenanisaurus Cheneosaurus – junior synonym of Hypacrosaurus Chialingosaurus Chiayusaurus Chienkosaurus – possible junior synonym of Szechuanosaurus "Chihuahuasaurus" – nomen nudum ; Sonorasaurus
Chilantaisaurus Chilesaurus Chindesaurus Chingkankousaurus Chinshakiangosaurus Chirostenotes Choconsaurus Chondrosteosaurus Artist's restoration of Ceratosaurus . Choyrodon Chromogisaurus Chuandongocoelurus Chuanjiesaurus Chuanqilong Chubutisaurus Chungkingosaurus Chuxiongosaurus "Cinizasaurus" – nomen nudum
Cionodon Citipati Citipes Cladeiodon – subsequently found to be a non-dinosaurian rauisuchian; synonym of Teratosaurus Claorhynchus – possibly Triceratops Claosaurus Clarencea – subsequently found to be a sphenosuchian; synonym of Sphenosuchus Clasmodosaurus Clepsysaurus – subsequently found to be a phytosaur, possibly Palaeosaurus Coahuilaceratops Coelophysis "Coelosaurus " – preoccupied genus name, species "Coelosaurus " antiquus
Coeluroides Coelurosauravus – subsequently found to be a primitive diapsidCoelurus Colepiocephale "Coloradia " – preoccupied name, now known as Coloradisaurus
Coloradisaurus "Colossosaurus" – nomen nudum ; Pelorosaurus
Comahuesaurus "Comanchesaurus" – nomen nudum
Compsognathus Coelophysis mounted skeleton at the Cleveland Museum of Natural History.Compsosuchus Concavenator Conchoraptor Condorraptor Convolosaurus Coronosaurus Corythoraptor Corythosaurus Craspedodon Crataeomus – junior synonym of Struthiosaurus Craterosaurus Creosaurus – junior synonym of Allosaurus Crichtonpelta Crichtonsaurus Cristatusaurus Crittendenceratops Crosbysaurus – subsequently found to be a non-dinosaurian archosauriformCruxicheiros Cryolophosaurus Cryptodraco – junior synonym (unneeded replacement name) of Cryptosaurus "Cryptoraptor" – nomen nudum
Cryptosaurus Cryptovolans – junior synonym of Microraptor Cumnoria D
Daanosaurus Dacentrurus "Dachongosaurus" – nomen nudum
Daemonosaurus Dahalokely Dakosaurus – subsequently found to be a metriorhynchid crocodilianDakotadon Dakotaraptor Daliansaurus "Damalasaurus" – nomen nudum
Dandakosaurus Danubiosaurus – junior synonym of Struthiosaurus "Daptosaurus" – nomen nudum ; early manuscript name for Deinonychus
Darwinsaurus – junior synonym of Hypselospinus or Mantellisaurus Dashanpusaurus Daspletosaurus Dasygnathoides – subsequently found to be a non-dinosaurian archosaur; possible junior synonym of Ornithosuchus "Dasygnathus " – preoccupied name, now known as Dasygnathoides
Datanglong Artist's restoration of Deinocheirus . Datonglong Datousaurus Daurlong [10] Daurosaurus – synonym of Kulindadromeus Daxiatitan Deinocheirus Deinodon – possibly Gorgosaurus Deinonychus Delapparentia – junior synonym of Iguanodon Deltadromeus Demandasaurus Denversaurus Deuterosaurus – subsequently found to be a therapsidDiabloceratops Diamantinasaurus Dianchungosaurus – subsequently found to be a crocodilian"Diceratops " – preoccupied name, now known as Nedoceratops
Diceratus – junior synonym of Nedoceratops Diclonius Dicraeosaurus Didanodon – synonym of Lambeosaurus ; possibly a nomen nudum Dilong Dilophosaurus Diluvicursor Dimodosaurus – junior synonym of Plateosaurus Dineobellator Dinheirosaurus – possible junior synonym of Supersaurus Dinodocus "Dinosaurus " – preoccupied name for a junior synonym of Brithopus ; now a junior synonym of Plateosaurus Artist's restoration of Diamantinasaurus . Dinotyrannus – junior synonym Tyrannosaurus or some other tyrannosauridDiodorus – possibly non-dinosaurianDiplodocus Diplotomodon Diracodon – junior synonym of Stegosaurus Dolichosuchus Dollodon – junior synonym of Mantellisaurus "Domeykosaurus" – nomen nudum , synonym of Arackar
Dongbeititan Dongyangopelta Dongyangosaurus Doratodon – subsequently found to be a crocodilianDoryphorosaurus – junior synonym (unneeded replacement name) of Kentrosaurus Draconyx Dracopelta Dracoraptor Dracorex – junior synonym of Pachycephalosaurus Dracovenator Dravidosaurus – subsequently found to be a plesiosaurianDreadnoughtus Drinker – junior synonym of Nanosaurus Dromaeosauroides Dromaeosaurus Dromiceiomimus Dromicosaurus – junior synonym of Massospondylus Drusilasaura Dryosaurus A Dysalotosaurus skeleton. Dryptosauroides Dryptosaurus Dubreuillosaurus "Duranteceratops " – nomen nudum
Duriatitan Duriavenator Dynamosaurus – junior synonym of Tyrannosaurus Dynamoterror Dyoplosaurus Dysalotosaurus Dysganus Dyslocosaurus Dystrophaeus Dystylosaurus – junior synonym of Supersaurus Dzharaonyx [11] Dzharatitanis E
Echinodon Edmarka – junior synonym of Torvosaurus Edmontonia Edmontosaurus Efraasia Replica of an Eoraptor skeleton. Einiosaurus Ekrixinatosaurus Elachistosuchus – subsequently found to be a rhynchocephalianElaltitan Elaphrosaurus Elemgasem [12] Elmisaurus Elopteryx Elosaurus – junior synonym of Brontosaurus Elrhazosaurus "Elvisaurus" – nomen nudum ; Cryolophosaurus
Emausaurus Embasaurus Enigmosaurus Eoabelisaurus Eobrontosaurus – junior synonym of Brontosaurus Eocarcharia Eoceratops – junior synonym of Chasmosaurus Eocursor Eodromaeus "Eohadrosaurus" – nomen nudum ; Eolambia
Eolambia Eomamenchisaurus "Eoplophysis" – nomen nudum
Eoraptor Eosinopteryx Eotrachodon Eotriceratops Eotyrannus Eousdryosaurus Epachthosaurus Epanterias – may be Allosaurus "Ephoenosaurus" – nomen nudum ; Machimosaurus (a crocodilian)
Epicampodon – subsequently found to be a proterosuchid archosauriform, Ankistrodon Epichirostenotes Epidendrosaurus – synonym of Scansoriopteryx Epidexipteryx Equijubus Erectopus Erketu Life restoration of Euoplocephalus . Erliansaurus Erlikosaurus Erythrovenator Eshanosaurus "Euacanthus" – nomen nudum ; junior synonym of Polacanthus
Eucamerotus Eucentrosaurus – junior synonym (unneeded replacement name) of Centrosaurus Eucercosaurus Eucnemesaurus Eucoelophysis – possibly non-dinosaurian"Eugongbusaurus" – nomen nudum
Euhelopus Euoplocephalus Eupodosaurus – subsequently found to be a nothosaur synonymous with Lariosaurus "Eureodon" – nomen nudum ; Tenontosaurus
Eurolimnornis – subsequently found to be a pterosaurEuronychodon Europasaurus Europatitan Europelta Euskelosaurus Eustreptospondylus F
Fabrosaurus – possibly Lesothosaurus Falcarius "Fendusaurus" – nomen nudum
"Fenestrosaurus" – nomen nudum ; Oviraptor
Ferganasaurus "Ferganastegos" – nomen nudum
Ferganocephale Ferrisaurus Foraminacephale Fosterovenator Fostoria Frenguellisaurus – junior synonym of Herrerasaurus Life restoration of Fruitadens . Fruitadens Fukuiraptor Fukuisaurus Fukuititan Fukuivenator Fulengia Fulgurotherium Fushanosaurus "Fusinasus" – nomen nudum ; Eotyrannus
Fusuisaurus "Futabasaurus" – nomen nudum ; not to be confused with the formally named plesiosaur Futabasaurus
Futalognkosaurus Fylax [13] G
"Gadolosaurus" – nomen nudum
Galeamopus Galesaurus – subsequently found to be a therapsidGalleonosaurus Gallimimus Galtonia – subsequently found to be a pseudosuchian; possibly a junior synonym of Revueltosaurus Galveosaurus – synonym of Galvesaurus Galvesaurus Gamatavus [14] Gannansaurus "Gansutitan" – nomen nudum ; Daxiatitan
Ganzhousaurus Gargoyleosaurus Garrigatitan Garudimimus Gasosaurus Artist's restoration of Giganotosaurus . Gasparinisaura Gastonia "Gavinosaurus" – nomen nudum ; Eotyrannus
Geminiraptor Genusaurus Genyodectes Geranosaurus Gideonmantellia Giganotosaurus Gigantoraptor "Gigantosaurus " – preoccupied name, now known as Tornieria
Gigantosaurus Gigantoscelus – Probable junior synonym of Euskelosaurus Gigantspinosaurus Gilmoreosaurus "Ginnareemimus" – nomen nudum ; Kinnareemimus
Giraffatitan Glacialisaurus Glishades Glyptodontopelta Gnathovorax Gobiceratops – possibly a junior synonym of Bagaceratops Gobihadros Gobiraptor Gobisaurus Gobititan Gobivenator "Godzillasaurus" – nomen nudum ; Gojirasaurus
Gojirasaurus Gondwanatitan Gongbusaurus Gongpoquansaurus Gongxianosaurus Gorgosaurus Goyocephale Artist's reconstruction of Giraffatitan . Graciliceratops Graciliraptor Gracilisuchus – subsequently found to be a non-dinosaurian archosaurGravitholus Gresslyosaurus – possible junior synonym of Plateosaurus Griphornis – junior synonym of Archaeopteryx Griphosaurus – junior synonym of Archaeopteryx Gryphoceratops Gryponyx Gryposaurus "Gspsaurus" – nomen nudum
Guaibasaurus Gualicho Guanlong Guemesia [15] Gwyneddosaurus – subsequently found to be a tanystrophidGyposaurus – possibly a junior synonym of Massospondylus H
"Hadrosauravus" – nomen nudum ; junior synonym of Gryposaurus
Hadrosaurus Haestasaurus Hagryphus Hallopus – subsequently found to be a crocodylomorphHalszkaraptor Halticosaurus Hamititan [16] Hanssuesia "Hanwulosaurus" – nomen nudum
Haplocanthosaurus "Haplocanthus " – preoccupied name, now known as Haplocanthosaurus
Haplocheirus Harpymimus Haya Hecatasaurus – junior synonym of Telmatosaurus "Heilongjiangosaurus" – nomen nudum
Heishansaurus Helioceratops Huaxiagnathus fossil displayed in Hong Kong Science Museum"Helopus " – preoccupied name, now known as Euhelopus
Heptasteornis Herbstosaurus – a pterosaurHerrerasaurus Hesperonychus Hesperornithoides Hesperosaurus Heterodontosaurus Heterosaurus – possible synonym of Mantellisaurus Hexing Hexinlusaurus Heyuannia Hierosaurus Hikanodon – junior synonym of Iguanodon Hippodraco "Hironosaurus" – nomen nudum
"Hisanohamasaurus" – nomen nudum
Histriasaurus Homalocephale "Honghesaurus" – nomen nudum later described as Yandusaurus ; name later used for a genus of marine reptile
Hongshanosaurus – junior synonym of Psittacosaurus Hoplitosaurus Hoplosaurus – junior synonym of Struthiosaurus Horshamosaurus Hortalotarsus – possible junior synonym of Massospondylus Huabeisaurus Hualianceratops Huallasaurus [17] Huanansaurus Huanghetitan Huangshanlong Huaxiagnathus Huaxiaosaurus – junior synonym of Shantungosaurus "Huaxiasaurus" – nomen nudum ; Huaxiagnathus
Huayangosaurus Hudiesaurus Huehuecanauhtlus Skeleton of Hypsilophodon. Huinculsaurus Hulsanpes Hungarosaurus Huxleysaurus – junior synonym of Hypselospinus Hylaeosaurus Hylosaurus – junior synonym of Hylaeosaurus Hypacrosaurus Hypselorhachis – subsequently found to be a ctenosauriscidHypselosaurus Hypselospinus Hypsibema Hypsilophodon Hypsirhophus I
Iberospinus [18] Ibirania [19] "Ichabodcraniosaurus" – nomen nudum ; Shri
Ichthyovenator Ignavusaurus Ignotosaurus – possibly non-dinosaurianIguanacolossus Iguanodon "Iguanoides" – nomen nudum ; Iguanodon
"Iguanosaurus" – nomen nudum ; Iguanodon
Iliosuchus Ilokelesia Imperobator Incisivosaurus Indosaurus Indosuchus "Ingenia " – preoccupied name, now known as Heyuannia yanshini
Ingentia Inosaurus Invictarx Irisosaurus Artist's reconstruction of Iguanodon . Irritator Isaberrysaura Isanosaurus Isasicursor Ischioceratops Ischisaurus – junior synonym of Herrerasaurus "Ischyrosaurus " – preoccupied genus name, species Ischyrosaurus manseli
Isisaurus "Issasaurus" – nomen nudum ; Dicraeosaurus
Issi [20] Itapeuasaurus Itemirus Iuticosaurus Iyuku [21] J
Jainosaurus Jakapil [22] Jaklapallisaurus Janenschia Jaxartosaurus Jeholosaurus Jenghizkhan – junior synonym of Tarbosaurus "Jensenosaurus" – nomen nudum ; Supersaurus
Jeyawati Jianchangosaurus "Jiangjunmiaosaurus" – nomen nudum ; Monolophosaurus
Jiangjunosaurus Jiangshanosaurus Life restoration of Jinfengopteryx . Jiangxisaurus Jianianhualong Jinbeisaurus Jinfengopteryx Jingshanosaurus Jintasaurus Jinyunpelta Jinzhousaurus Jiutaisaurus Jobaria Jubbulpuria Judiceratops Jurapteryx – junior synonym of Archaeopteryx "Jurassosaurus" – nomen nudum ; Tianchisaurus
Juratyrant Juravenator K
Kaatedocus "Kagasaurus" – nomen nudum
Kaijiangosaurus Kaijutitan Kakuru Kamuysaurus Kangnasaurus Kansaignathus [23] Karongasaurus Katepensaurus "Katsuyamasaurus" – nomen nudum
Kayentavenator Kazaklambia Kelmayisaurus Kelumapusaura [17] Kemkemia – subsequently found to be a crocodyliformKentrosaurus Kentrurosaurus – junior synonym (unneeded replacement name) of Kentrosaurus Kerberosaurus Kentrosaurus skeleton.Khaan "Khetranisaurus" – nomen nudum
Kholumolumo Khulsanurus [24] Kileskus Kinnareemimus "Kitadanisaurus" – nomen nudum ; Fukuiraptor
"Kittysaurus" – nomen nudum ; Eotyrannus
Klamelisaurus Kol Koparion Koreaceratops Koreanosaurus "Koreanosaurus" – nomen nudum ; name later used formally for a genus of ornithopod
Koshisaurus Kosmoceratops Kotasaurus Koutalisaurus – possible junior synonym of Pararhabdodon Kritosaurus Kryptops Krzyzanowskisaurus – probably a pseudosuchian (Revueltosaurus ?)Kukufeldia – junior synonym of Barilium Kulceratops Kulindadromeus Kulindapteryx – synonym of Kulindadromeus Kunbarrasaurus Kundurosaurus "Kunmingosaurus" – nomen nudum
Kuru [25] Kurupi [26] Kuszholia – probably a birdKwanasaurus – possibly non-dinosaurianL
Labocania Labrosaurus – junior synonym of Allosaurus Artist's restoration of Lambeosaurus . "Laelaps " – preoccupied name, now known as Dryptosaurus
Laevisuchus Lagerpeton – subsequently found to be a non-dinosaurian dinosauromorphLagosuchus – subsequently found to be a non-dinosaurian dinosauromorphLaiyangosaurus Lajasvenator Lamaceratops – possible junior synonym of Bagaceratops Lambeosaurus Lametasaurus Lamplughsaura Lanasaurus – junior synonym of Lycorhinus "Lancangosaurus" – variant spelling of "Lancanjiangosaurus"
"Lancanjiangosaurus" – nomen nudum
Lanzhousaurus Laosaurus Lapampasaurus Laplatasaurus Lapparentosaurus Laquintasaura Latenivenatrix – possible junior synonym of Stenonychosaurus Latirhinus Lavocatisaurus Leaellynasaura Ledumahadi Leinkupal Leipsanosaurus – junior synonym of Struthiosaurus "Lengosaurus" – nomen nudum ; Eotyrannus
Leonerasaurus Lepidocheirosaurus — junior synonym of Kulindadromeus Lepidus Artist's restoration of Limusaurus . Leptoceratops Leptorhynchos Leptospondylus – junior synonym of Massospondylus Leshansaurus Lesothosaurus Lessemsaurus Levnesovia Lewisuchus – possibly non-dinosaurianLexovisaurus Leyesaurus Liaoceratops Liaoningosaurus Liaoningotitan Liaoningvenator "Liassaurus" – nomen nudum ; possible synonym of Sarcosaurus
Libycosaurus – subsequently found to be an anthracothere mammalLigabueino Ligabuesaurus "Ligomasaurus" – nomen nudum , synonym of Giraffatitan
"Likhoelesaurus" – nomen nudum ; possibly non-dinosaurian
Liliensternus Limaysaurus "Limnornis " – preoccupied name, now known as Palaeocursornis ( a pterosaur)
"Limnosaurus " – preoccupied name, now known as Telmatosaurus
Limusaurus Lingwulong Lingyuanosaurus Linhenykus Linheraptor Linhevenator Life reconstruction of two individuals of Linhenykus in their arid Campanian-aged living environment. Lirainosaurus Lisboasaurus – subsequently found to be a crocodilianLiubangosaurus Llukalkan [27] Lohuecotitan Loncosaurus Longisquama – subsequently found to be a non-dinosaurian reptileLongosaurus – junior synonym of Coelophysis Lophorhothon Lophostropheus Loricatosaurus Loricosaurus Losillasaurus Lourinhanosaurus Lourinhasaurus Luanchuanraptor "Luanpingosaurus" – nomen nudum ; Psittacosaurus
Lucianosaurus – subsequently found to be a non-dinosaurian archosauriformLucianovenator Lufengosaurus Lukousaurus – possibly a crurotarsanLuoyanggia Lurdusaurus Lusitanosaurus Lusotitan Lusovenator Lutungutali – possibly non-dinosaurianLycorhinus Lythronax M
Macelognathus – subsequently found to be a sphenosuchian crocodilianMachairasaurus Machairoceratops Macrocollum Macrodontophion – subsequently found to be a member of LophotrochozoaMacrogryphosaurus Macrophalangia – junior synonym of Chirostenotes Artist's reconstruction of Massospondylus . "Macroscelosaurus" – nomen nudum ; junior synonym of Tanystropheus
Macrurosaurus "Madsenius" – nomen nudum , Allosaurus
Magnamanus Magnapaulia Magnirostris – possible junior synonym of Bagaceratops Magnosaurus "Magulodon" – nomen nudum
Magyarosaurus Mahakala Mahuidacursor Maiasaura Maip [28] Majungasaurus Majungatholus – junior synonym of Majungasaurus Malarguesaurus Malawisaurus Malefica [29] Maleevosaurus – junior synonym of Tarbosaurus Maleevus Mamenchisaurus Mandschurosaurus Manidens Manospondylus – synonym of Tyrannosaurus Mansourasaurus Mantellisaurus Mantellodon – junior synonym of Mantellisaurus "Maojandino" – nomen nudum
Mapusaurus Maraapunisaurus Marasuchus – subsequently found to be a non-dinosaurian dinosauromorph"Marisaurus" – nomen nudum
Marmarospondylus Marshosaurus Martharaptor Masiakasaurus Massospondylus Artist's reconstruction of Microraptor with colouration based on fossilised melanosomes. Matheronodon Maxakalisaurus Mbiresaurus [30] Medusaceratops "Megacervixosaurus" – nomen nudum
"Megadactylus " – preoccupied name, now known as Anchisaurus
"Megadontosaurus" – nomen nudum ; Microvenator
Megalosaurus Megapnosaurus – possible junior synonym of Coelophysis Megaraptor Mei Melanorosaurus Mendozasaurus Menefeeceratops Menucocelsior [31] Meraxes [32] Mercuriceratops Meroktenos Metriacanthosaurus "Microcephale" – nomen nudum
"Microceratops " – preoccupied name, now known as Microceratus
Microceratus Microcoelus "Microdontosaurus" – nomen nudum
Microhadrosaurus Micropachycephalosaurus Microraptor Microvenator Mierasaurus "Mifunesaurus" – nomen nudum
Minmi Minotaurasaurus Miragaia Mirischia Mnyamawamtuka Moabosaurus Mochlodon "Mohammadisaurus" – nomen nudum ; Tornieria Cast of a Muttaburrasaurus skeleton. Mojoceratops – junior synonym of Chasmosaurus Mongolosaurus Mongolostegus Monkonosaurus Monoclonius Monolophosaurus "Mononychus " – preoccupied name, now known as Mononykus
Mononykus Montanoceratops Morelladon Morinosaurus Moros Morosaurus – junior synonym of Camarasaurus Morrosaurus Mosaiceratops "Moshisaurus" – nomen nudum ; possibly Mamenchisaurus
"Mtapaiasaurus" – nomen nudum , synonym of Giraffatitan
"Mtotosaurus" – nomen nudum ; Dicraeosaurus
Murusraptor Mussaurus Muttaburrasaurus Muyelensaurus Mymoorapelta N
Naashoibitosaurus Nambalia Nankangia Nanningosaurus Nanosaurus Nanotyrannus – junior synonym of Tyrannosaurus Nanshiungosaurus Nanuqsaurus Nanyangosaurus Napaisaurus [33] Narambuenatitan Narindasaurus Nasutoceratops "Natronasaurus" – invalid name, either Alcovasaurus or Miragaia Life restoration of Neimongosaurus . Navajoceratops Nebulasaurus "Nectosaurus " – preoccupied name, now known as Kritosaurus
Nedcolbertia Nedoceratops – possible junior synonym of Triceratops Neimongosaurus "Nemegtia " – preoccupied name, now known as Nemegtomaia
Nemegtomaia Nemegtonykus Nemegtosaurus "Neosaurus " – preoccupied name; renamed Parrosaurus , which is now Hypsibema
Neosodon Neovenator Neuquenraptor Neuquensaurus Nevadadromeus [34] "Newtonsaurus" – nomen nudum , possibly Zanclodon
"Ngexisaurus" – nomen nudum
Ngwevu Nhandumirim Nicksaurus – nomen manuscriptum Niebla Nigersaurus Ningyuansaurus Ninjatitan Niobrarasaurus Nipponosaurus Noasaurus Nodocephalosaurus Nodosaurus Nomingia – possible junior synonym of Elmisaurus Nopcsaspondylus Normanniasaurus Restored head of Nemegtomaia . Notatesseraeraptor Nothronychus Notoceratops Notocolossus Notohypsilophodon Nqwebasaurus "Nteregosaurus" – nomen nudum ; Janenschia
Nullotitan "Nurosaurus" – nomen nudum
Nuthetes Nyasasaurus — possibly non-dinosaurian"Nyororosaurus" – nomen nudum ; Dicraeosaurus O
Oceanotitan Ohmdenosaurus Ojoceratops – possible synonym of Eotriceratops Ojoraptorsaurus Oksoko Oligosaurus Olorotitan Omeisaurus "Omosaurus " – preoccupied name, now known as Dacentrurus
Ondogurvel [35] Onychosaurus – junior synonym of Zalmoxes or Rhabdodon , or an ankylosaurianOohkotokia Opisthocoelicaudia Oplosaurus "Orcomimus" – nomen nudum
Orinosaurus – junior synonym (unneeded replacement name) of Orosaurus Orkoraptor Ornatops Ornatotholus – junior synonym of Stegoceras Ornithodesmus "Ornithoides" – nomen nudum ; Saurornithoides
Ornitholestes Ornithomerus Ornithomimoides Ornithomimus Ornithopsis Artist's reconstruction of Omeisaurus . Ornithosuchus – subsequently found to be a non-dinosaurian archosaurOrnithotarsus – junior synonym of Hadrosaurus Orodromeus Orosaurus Orthogoniosaurus Orthomerus Oryctodromeus "Oshanosaurus" – nomen nudum
Osmakasaurus Ostafrikasaurus Ostromia Othnielia – junior synonym of Nanosaurus Othnielosaurus – junior synonym of Nanosaurus Otogosaurus — possibly a nomen nudum Ouranosaurus Overoraptor Overosaurus Oviraptor "Ovoraptor" – nomen nudum ; Velociraptor
Owenodon Oxalaia – possible junior synonym of Spinosaurus Ozraptor P
Pachycephalosaurus Pachyrhinosaurus Pachysauriscus – junior synonym of Plateosaurus Pachysaurops – junior synonym of Plateosaurus "Pachysaurus " – preoccupied name, now known as Pachysauriscus ; junior synonym of Plateosaurus
Pachyspondylus – junior synonym of Massospondylus Pachysuchus Padillasaurus "Pakisaurus" – nomen nudum
Palaeoctonus – subsequently found to be a phytosaurPalaeocursornis – subsequently found to be an azhdarchoid pterosaur"Palaeolimnornis" – nomen nudum ; Palaeocursornis , pterodactyloid pterosaur belonging to Azhdarchoidea
Palaeopteryx – possibly a birdPalaeosauriscus – junior synonym of Palaeosaurus Palaeosaurus – subsequently found to be a non-dinosaurian reptile"Palaeosaurus " – preoccupied name, now known as Sphenosaurus and considered to be a non-dinosaurian procolophonid
Palaeoscincus Paleosaurus – subsequently found to be a non-dinosaurian archosaur; junior synonym (unneeded replacement name) of Palaeosaurus Paludititan Paluxysaurus – junior synonym of Sauroposeidon Pampadromaeus Life restoration of Pachycephalosaurus . Pamparaptor Panamericansaurus Pandoravenator Panguraptor Panoplosaurus Panphagia Pantydraco – possible synonym of Thecodontosaurus Papiliovenator [36] "Paraiguanodon" – nomen nudum ; Bactrosaurus
Paralitherizinosaurus [37] Paralititan Paranthodon Pararhabdodon Parasaurolophus Paraxenisaurus Pareiasaurus – subsequently found to be a pareiasaurPareisactus Parksosaurus Paronychodon Parrosaurus – now known as Hypsibema missouriensis Parvicursor Patagonykus Patagosaurus Patagotitan Pawpawsaurus Pectinodon Pedopenna Pegomastax Peishansaurus Pekinosaurus – subsequently found to be a pseudosuchian; junior synonym of Revueltosaurus Pelecanimimus Pellegrinisaurus Peloroplites Pelorosaurus "Peltosaurus " – preoccupied name, now known as Sauropelta
Pendraig [38] Penelopognathus Pentaceratops Artist's restoration of Plateosaurus . Perijasaurus [39] Petrobrasaurus Phaedrolosaurus Philovenator Phuwiangosaurus Phuwiangvenator Phyllodon Piatnitzkysaurus Picrodon – possibly non-dinosaurianPilmatueia Pinacosaurus Pisanosaurus — possibly non-dinosaurianPitekunsaurus Piveteausaurus Planicoxa Plateosauravus Plateosaurus Platyceratops – possible junior synonym of Bagaceratops Platypelta Plesiohadros Pleurocoelus – possible junior synonym of Astrodon Pleuropeltus – junior synonym of Struthiosaurus Pneumatoarthrus – subsequently found to be a turtlePneumatoraptor Podokesaurus Poekilopleuron Polacanthoides – possible junior synonym of Hylaeosaurus or Polacanthus Polacanthus Polyodontosaurus Polyonax Ponerosteus – subsequently found to be a non-dinosaurian archosaurPoposaurus – subsequently found to be a non-dinosaurian archosaurPortellsaurus [40] Postosuchus – subsequently found to be a rauisuchianPowellvenator Pradhania Prenocephale Prenoceratops Priconodon Priodontognathus Prosaurolophus skull.Proa Probactrosaurus Probrachylophosaurus Proceratops – junior synonym (unneeded replacement name) of Ceratops Proceratosaurus Procerosaurus – subsequently found to be a tanystropheid protorosaur, Tanystropheus "Procerosaurus " – preoccupied name, now known as Ponerosteus
Procheneosaurus – junior synonym of Lambeosaurus Procompsognathus Prodeinodon "Proiguanodon" – nomen nudum ; Iguanodon
Propanoplosaurus Proplanicoxa – junior synonym of Mantellisaurus Prosaurolophus Protarchaeopteryx Protecovasaurus – subsequently found to be a non-dinosaurian archosauriformProtiguanodon – junior synonym of Psittacosaurus Protoavis – described as a bird, probably a chimera including theropod dinosaur bonesProtoceratops Protognathosaurus "Protognathus " – preoccupied name, now known as Protognathosaurus
Protohadros "Protorosaurus " – preoccupied name, now known as Chasmosaurus
Protorosaurus – subsequently found to be a non-dinosaurian reptile"Protrachodon" – nomen nudum ; Orthomerus
"Proyandusaurus" – nomen nudum ; Hexinlusaurus .
Pseudolagosuchus – possibly non-dinosaurian; a junior synonym of Lewisuchus Psittacosaurus Pteropelyx Pterospondylus Puertasaurus Pukyongosaurus Pulanesaura Punatitan Pycnonemosaurus Pyroraptor Q
Artist's reconstruction of Qiupalong . Qianzhousaurus Qiaowanlong Qijianglong Qingxiusaurus Qinlingosaurus Qiupalong Qiupanykus Quaesitosaurus Quetecsaurus Quilmesaurus R
Rachitrema – subsequently found to be a chimera primarily based on ichthyosaur fossilsRahiolisaurus "Rahona " – preoccupied name, now known as Rahonavis
Rahonavis – possibly a birdRajasaurus Rapator Rapetosaurus Raptorex – possible junior synonym of Tarbosaurus Ratchasimasaurus Rativates Rayososaurus Razanandrongobe – subsequently found to be a crocodylomorphRebbachisaurus Regaliceratops Regnosaurus Revueltosaurus – subsequently found to be a pseudosuchianRhabdodon Rhadinosaurus – may be non-dinosaurian, possibly crocodilianRhinorex – possible synonym of Gryposaurus Rhodanosaurus – junior synonym of Struthiosaurus Rhoetosaurus Rhomaleopakhus [41] Rhopalodon – subsequently found to be a synapsidRiabininohadros Richardoestesia Ruyangosaurus skeleton."Rileya " – preoccupied name, now known as Rileyasuchus
Rileyasuchus – subsequently found to be a phytosaurRinchenia Rinconsaurus Rioarribasaurus – junior synonym of Coelophysis "Riodevasaurus" – nomen nudum ; Turiasaurus
Riojasaurus Riojasuchus – subsequently found to be a non-dinosaurian archosaurRiparovenator [9] Rocasaurus "Roccosaurus" – nomen nudum ; Melanorosaurus
"Ronaldoraptor " – nomen nudum
Rubeosaurus – junior synonym of Styracosaurus Ruehleia Rugocaudia Rugops Rukwatitan Ruyangosaurus S
Sacisaurus – possibly non-dinosaurianSahaliyania Saichania "Saldamosaurus" – nomen nudum
"Salimosaurus" – nomen nudum , synonym of Giraffatitan
Saltasaurus Saltopus – possibly non-dinosaurian"Saltriosaurus" – nomen nudum
Saltriovenator "Sanchusaurus" – nomen nudum , possible Gallimimus
"Sangonghesaurus" – nomen nudum , Tianchiasaurus
Sanjuansaurus Sanpasaurus Santanaraptor Sanxiasaurus Sarahsaurus Saraikimasoom – nomen manuscriptum Sarcolestes Sarcosaurus Sarmientosaurus Saturnalia "Sauraechinodon" – nomen nudum ; Echinodon Artist's restoration of Scelidosaurus . "Sauraechmodon" – nomen nudum ; Echinodon
"Saurechinodon" – nomen nudum ; Echinodon
Saurolophus Sauroniops – possible synonym of Carcharodontosaurus Sauropelta Saurophaganax "Saurophagus " – preoccupied name, now known as Saurophaganax
Sauroplites Sauroposeidon Saurornithoides Saurornitholestes Savannasaurus Scansoriopteryx Scaphonyx – subsequently found to be a rhynchosaur, Hyperodapedon Scelidosaurus Schleitheimia Scipionyx Sciurumimus Scleromochlus – subsequently found to be a non-dinosaurian avemetatarsalianScolosaurus Scutellosaurus Secernosaurus Sefapanosaurus Segisaurus Segnosaurus Seismosaurus – junior synonym of Diplodocus Seitaad Sektensaurus "Selimanosaurus" – nomen nudum ; Dicraeosaurus
Sellacoxa – junior synonym of Barilium Sellosaurus – junior synonym of Plateosaurus Serendipaceratops Serikornis Shamosaurus Shanag Shanshanosaurus – junior synonym of Tarbosaurus Shantungosaurus Shanxia Shanyangosaurus Shaochilong Sinosaurus skeleton, Museo delle Scienze of Trento, Italy.Shenzhousaurus Shidaisaurus Shingopana Shishugounykus Shixinggia Shri Shuangbaisaurus – possible synonym of Sinosaurus Shuangmiaosaurus Shunosaurus Shuvosaurus – subsequently found to be a rauisuchianShuvuuia Siamodon "Siamodracon" – nomen nudum
Siamosaurus Siamotyrannus Siamraptor Siats "Sibirosaurus" – nomen nudum , now known as Sibirotitan
Sibirotitan "Sidormimus" – nomen nudum
Sierraceratops [42] Sigilmassasaurus – possible junior synonym of Spinosaurus Silesaurus – possibly non-dinosaurianSiluosaurus Silutitan [16] Silvisaurus Similicaudipteryx Sinankylosaurus Sinocalliopteryx Sinocephale [43] Sinoceratops Sinocoelurus "Sinopelta" – nomen nudum ; synonym of Sinopeltosaurus
"Sinopeltosaurus" – nomen nudum
Sinopliosaurus – a pliosaur; one species, "S." fusuiensis , is actually a dinosaur that may be synonymous with Siamosaurus Sinornithoides Skorpiovenator skull.Sinornithomimus Sinornithosaurus Sinosauropteryx Sinosaurus Sinotyrannus Sinovenator Sinraptor Sinusonasus Sirindhorna Skorpiovenator "Smilodon " – preoccupied name, now known as Zanclodon
Smitanosaurus Sonidosaurus Sonorasaurus Soriatitan Soumyasaurus – possibly non-dinosaurianSpectrovenator Sphaerotholus Sphenosaurus – subsequently found to be a non-dinosaurian reptileSphenospondylus – junior synonym of Mantellisaurus Spiclypeus Spicomellus [44] Spinophorosaurus Spinops Spinosaurus Spinostropheus Spinosuchus – subsequently found to be a non-dinosaurian reptileSpondylosoma – subsequently found to be an aphanosaurSqualodon – subsequently found to be a cetaceanStaurikosaurus Stegoceras Stegopelta Stegosaurides Stegosaurus Stegouros [45] Stellasaurus Stenonychosaurus Artist's restoration of Stegosaurus . Stenopelix Stenotholus – junior synonym of Stygimoloch , which is a possible junior synonym of Pachycephalosaurus Stephanosaurus "Stereocephalus " – preoccupied name, now known as Euoplocephalus
Sterrholophus – junior synonym of Triceratops Stokesosaurus Stormbergia – junior synonym of Lesothosaurus Strenusaurus – junior synonym of Riojasaurus Streptospondylus Struthiomimus Struthiosaurus Stygimoloch – junior synonym of Pachycephalosaurus Stygivenator – junior synonym of Tyrannosaurus Styracosaurus Succinodon – subsequently found to be fossilized mollusc boringsSuchomimus Suchoprion – subsequently found to be a phytosaurSuchosaurus – possible synonym of Baryonyx "Sugiyamasaurus" – nomen nudum
"Sulaimanisaurus" – nomen nudum
Supersaurus Suskityrannus Suuwassea Suzhousaurus Symphyrophus – junior synonym of Camptosaurus Syngonosaurus "Syntarsus " – preoccupied name, sometimes assigned to Coelophysis or Megapnosaurus
Syrmosaurus – junior synonym of Pinacosaurus Szechuanosaurus T
Artist's restoration of Thecodontosaurus . Talarurus Talenkauen Talos Tamarro Tambatitanis Tangvayosaurus Tanius Tanycolagreus Tanystropheus – subsequently found to be a protorosaurTanystrosuchus Taohelong Tapinocephalus – subsequently found to be a therapsidTapuiasaurus Tarascosaurus Tarbosaurus Tarchia Tastavinsaurus Tatankacephalus Tatankaceratops – probable junior synonym of Triceratops Tataouinea Tatisaurus Taurovenator – possible synonym of Mapusaurus Taveirosaurus Tawa Tawasaurus – junior synonym of Lufengosaurus Tazoudasaurus Technosaurus – possibly non-dinosaurianTecovasaurus – subsequently found to be a non-dinosaurian archosauriformTehuelchesaurus "Teihivenator" – nomen nudum
Teinurosaurus Teleocrater – subsequently found to be a basal avemetatarsalianTelmatosaurus "Tenantosaurus" – nomen nudum ; Tenontosaurus
"Tenchisaurus" – nomen nudum ; an unpublished museum name for Tianchisaurus
Tendaguria Tengrisaurus Tenontosaurus Teratophoneus Teratosaurus – subsequently found to be a non-dinosaurian archosaurTermatosaurus – subsequently found to be a phytosaurTerminocavus Thescelosaurus fossil.Tethyshadros Tetragonosaurus – junior synonym of Lambeosaurus Texacephale Texasetes Teyuwasu – possibly junior synonym of Staurikosaurus Thanatotheristes Thanos Thecocoelurus Thecodontosaurus Thecospondylus Theiophytalia Therizinosaurus Therosaurus – a synonym of Iguanodon Thescelosaurus Thespesius "Thotobolosaurus" – nomen nudum ; Kholumolumo
Tianchiasaurus – alternate spelling of Tianchisaurus Tianchisaurus "Tianchungosaurus" – nomen nudum ; Dianchungosaurus (crocodilian)
Tianyulong Tianyuraptor Tianzhenosaurus Tichosteus Tienshanosaurus Timimus Timurlengia Titanoceratops Titanosaurus "Titanosaurus " – preoccupied name, now known as Atlantosaurus
Tlatolophus Tochisaurus "Tomodon " – preoccupied name, now known as Diplotomodon
Tonganosaurus Tongtianlong "Tonouchisaurus" – nomen nudum
Torilion – junior synonym of Barilium Tornieria Torosaurus Skeleton of Triceratops at the Houston Museum of Natural Science. Torvosaurus Tototlmimus Trachodon Tralkasaurus Tratayenia Traukutitan Trialestes – subsequently found to be a basal crocodylomorph"Triassolestes " – preoccupied name, now known as Trialestes
Tribelesodon – junior synonym of Tanystropheus , a protorosaurTriceratops Trierarchuncus Trigonosaurus Trimucrodon Trinisaura Triunfosaurus Troodon Tsaagan Tsagantegia Tsintaosaurus Tuebingosaurus [46] Tugulusaurus Tuojiangosaurus Turanoceratops Turiasaurus Tylocephale Tylosteus – synonym of Pachycephalosaurus Tyrannosaurus Tyrannotitan U
Restoration of Udanoceratops . Uberabatitan "Ubirajara" – nomen nudum
Udanoceratops Ugrosaurus – junior synonym of Triceratops Ugrunaaluk – junior synonym of Edmontosaurus Uintasaurus – junior synonym of Camarasaurus Ultrasauros – junior synonym of Supersaurus "Ultrasaurus " – preoccupied name, renamed Ultrasauros which is now a junior synonym of Supersaurus
Ultrasaurus Ulughbegsaurus [47] "Umarsaurus" – nomen nudum ; Barsboldia
Unaysaurus Unenlagia Unescoceratops "Unicerosaurus" – nomen nudum , subsequently found to be a fish
Unquillosaurus Urbacodon Utahceratops Utahraptor Uteodon V
Vagaceratops Vahiny Valdoraptor – possible synonym of Thecocoelurus Valdosaurus Vallibonavenatrix Variraptor Vayuraptor Vectaerovenator Vectensia – junior synonym of Polacanthus or Hylaeosaurus Vectiraptor [48] Life restoration of Velociraptor . Vectisaurus – junior synonym of Mantellisaurus Velafrons Velocipes Velociraptor Velocisaurus Venaticosuchus – subsequently found to be a non-dinosaurian archosaurVenenosaurus Vespersaurus Veterupristisaurus Viavenator "Vitakridrinda" – nomen nudum
"Vitakrisaurus" – nomen nudum
Volgatitan Volkheimeria Vouivria Vulcanodon W
Wadhurstia – junior synonym of Hypselospinus Wakinosaurus Walgettosuchus – possible synonym of Rapator "Walkeria " – preoccupied name, now known as Alwalkeria
"Walkersaurus" – nomen nudum ; Duriavenator
Wamweracaudia "Wangonisaurus" – nomen nudum , synonym of Giraffatitan
Wannanosaurus Weewarrasaurus Artist's restoration of Wiehenvenator . Wellnhoferia – subsequently found to be a bird, possible junior synonym of Archaeopteryx Wendiceratops Wiehenvenator Willinakaqe Wintonotitan Wuerhosaurus Wulagasaurus Wulatelong Wulong Wyleyia – possibly a bird"Wyomingraptor" – nomen nudum , synonym of Allosaurus X
Xenoceratops Xenoposeidon Xenotarsosaurus Xianshanosaurus Xiaosaurus Artist's reconstruction of Xiongguanlong . Xiaotingia Xingtianosaurus Xingxiulong Xinjiangovenator Xinjiangtitan Xiongguanlong Xixianykus Xixiasaurus Xixiposaurus Xiyunykus Xuanhanosaurus Xuanhuaceratops "Xuanhuasaurus" – nomen nudum ; Xuanhuaceratops
Xunmenglong Xuwulong Y
Yaleosaurus – junior synonym of Anchisaurus Yamaceratops Yamanasaurus Yamatosaurus Yandusaurus Yangchuanosaurus Yaverlandia Yehuecauhceratops "Yezosaurus" – nomen nudum ; subsequently found to be a junior synonym of the mosasaur Taniwhasaurus
Yi "Yibinosaurus" – nomen nudum Artist's restoration of Yangchuanosaurus . Yimenosaurus Yingshanosaurus Yinlong Yixianosaurus Yizhousaurus Yongjinglong Ypupiara [49] "Yuanmouraptor" – nomen nudum
Yuanmousaurus Yueosaurus Yulong Yunganglong Yunmenglong Yunnanosaurus "Yunxianosaurus" – nomen nudum
Yunyangosaurus Yurgovuchia Yutyrannus Yuxisaurus [50] Yuzhoulong [51] Z
Zalmoxes Zanabazar Zanclodon – subsequently found to be non-dinosaurianZapalasaurus Zapsalis Zaraapelta Zatomus – subsequently found to be a non-dinosaurian archosaurZby Zephyrosaurus Zhanghenglong Zhejiangosaurus Zhenyuanlong Life restoration of Zby . Zhongjianosaurus Zhongornis – possibly a birdZhongyuansaurus – possible junior synonym of Gobisaurus Zhuchengceratops Zhuchengosaurus – junior synonym of Shantungosaurus Zhuchengtitan Zhuchengtyrannus Ziapelta Zigongosaurus Zizhongosaurus Zuniceratops "Zunityrannus" – nomen nudum , Suskityrannus
Zuolong Zuoyunlong Zupaysaurus Zuul See also
Dinosaurs portal
Notes
Most uncited genus names are taken from Olshevsky's "Dinosaur Genera List".[1]
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