Tepouhtitlazcuetzpalin
In tepouhtitlazcuetzpalin (in caxtillantlahtolli dinosaurio, in greciatlahtoltica δεινός σαῦρος, deinos sauros, 'tepouhtitlazcuetzpaltin') itoca huehcauh yolcameh ompa in tlalticpac.

Tepouhtitlazcuetzpalin 
Albertacuetzpalin (Albertosaurio)
Ohuihcuetzpalin (Alosaurio)
Teixcuepcuetzpalin (Apatosaurio)
Huehcauhahtlapalli (Arqueópterix)
Ahcolcuetzpalin (Braquiosaurio)
Tlatacaxcuetzpalin (Camarasaurio)
Coliuhquicuetzpalin (Camptosaurio)
Cuacuauhcuetzpalin (Ceratosaurio)
Cuilloticcamatl (Compsognato)
Onhuapalli (Diplodoco)
Tlalpancuetzpalin (Edafosaurio)
Cuauhtlahcuetzpalin (Hileosaurio)
Achicuauhticcuetzpalin (Hipacrosaurio)
Lambecuetzpalin (Lambeosaurio)
Lesotocuetzpalin (Lesotosaurio)
Coyahuaccuetzpalin (Plateosaurio)
Eltinancuetzpalin (Maiasaura)
Mamenchicuetzpalin (Mamenchisaurio)
Ixcuacuetzpalin (Metoposaurio)
Totoichtequini (Ornitolestes)
Cuatomahuaccuetzpalin (Paquicefalosaurio)
Cuanacacuetzpalloc (Parasaurolofo)
Macuilcuacuauhxayacatl (Pentaceratops)
Huitzyoh (Polacanto)
Cochocuetzpalin (Psitacosaurio)
Camatenhuitztli (Rhamphorhynchus)
Pipilichtictlantli (Rutiodon)
Chimaltoncuetzpalin (Scutellosaurus)
Huitzcuetzpalin (Espinosaurio)
Calcuaticacuetzpalin (Estegosaurio)
Excuacuauhxayacatl (Triceratops)
Tzintaocuetzpalin (Tsintaosaurio)
Mehelehuihcuetzpalin (Tiranosaurio)
Canauhcuetzpalin (Anatosaurio / Edmontosaurio)
Payinalichtequini (Velociráptor)
Yehuecauhceratops

 Aardonyx
 Abelisaurus
 Abrictosaurus
 Abrosaurus
 Abydosaurus
 Acanthopholis
 Achelousaurus
 Acheroraptor
 Achillesaurus
 Achillobator
 Acristavus
 Acrocanthosaurus
 Acrotholus
 Adamantisaurus
 Adasaurus
 Adeopapposaurus
 Aegyptosaurus
 Aeolosaurus
 Aepisaurus
 Aerosteon
 Afrovenator
 Agathaumas
 Agilisaurus
 Agnosphitys
 Agujaceratops
 Agustinia
 Ahshislepelta
 Ajancingenia
 Ajkaceratops
 Alamosaurus
 Alaskacephale
 Albalophosaurus
 Albertaceratops
 Albertadromeus
 Albertonykus
 Albertosaurus
 Albinykus
 Alectrosaurus
 Aletopelta
 Algoasaurus
 Alioramus

 Allosaurus
 Alnashetri
 Alocodon
 Altirhinus
 Altispinax
 Alvarezsaurus
 Alwalkeria
 Alxasaurus
 Amargasaurus
 Amargatitanis
 Amazonsaurus
 Ammosaurus
 Ampelosaurus
 Amphicoelias
 Amtocephale
 Amurosaurus
 Amygdalodon
 Anabisetia
 Anasazisaurus
 Anchiceratops
 Anchiornis
 Anchisaurus
 Andesaurus
 Angolatitan
 Angulomastacator
 Aniksosaurus
 Animantarx
 Ankylosaurus
 Anodontosaurus
 Anoplosaurus
 Anserimimus
 Antarctopelta
 Antarctosaurus

 Antetonitrus
 Anzu
 Aorun
 Apatodon – possibly a junior synonym of Allosaurus
 Apatosaurus – popularly known as Brontosaurus
 Appalachiosaurus
 Aragosaurus
 Aralosaurus
 "Araucanoraptor" – nomen nudum; Neuquenraptor
 Archaeoceratops
 Archaeodontosaurus

 Archaeopteryx – earliest known Tōtōtl
 Archaeornithoides
 Archaeornithomimus
 Archaeovolans – junior synonym of the Tōtōtl Yanornis
 Arcovenator'
 Arcusaurus Arenysaurus Argentinosaurus Argyrosaurus Aristosuchus Arkharavia Arrhinoceratops Arstanosaurus Asiaceratops Asiamericana Asiatosaurus Astrodon Astrophocaudia Asylosaurus Atacamatitan Atlasaurus Atlascopcosaurus Atrociraptor Atsinganosaurus Aublysodon Aucasaurus Auroraceratops Aurornis Australodocus Australovenator Austrocheirus Austroraptor Austrosaurus Avaceratops Aviatyrannis AvimimusB

 Bactrosaurus Bagaceratops Bagaraatan Bahariasaurus Bainoceratops "Bakesaurus" – nomen nudumBalaur Balochisaurus BambiraptorBanji Baotianmansaurus Barapasaurus Barilium Barosaurus Barrosasaurus Barsboldia Baryonyx "Bashunosaurus" – nomen nudum Basutodon – actually a non-dinosaurian archosaur
 Bathygnathus – actually a pelycosaur
 Batyrosaurus Baurutitan "Bayosaurus" – nomen nudum Becklespinax "Beelemodon" – nomen nudum Beipiaosaurus Beishanlong Bellusaurus Belodon – actually a phytosaur
 Berberosaurus Betasuchus Bicentenaria Bienosaurus Bihariosaurus "Bilbeyhallorum" – nomen nudum; Cedarpelta Bissektipelta Bistahieversor "Blancocerosaurus" – nomen nudum, probably Giraffatitan Blasisaurus Blikanasaurus Bolong Bonapartenykus 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
 Brasilotitan Bravoceratops Breviceratops Brohisaurus Brontomerus "Brontoraptor" – nomen nudum Brontosaurus – junior synonym of Apatosaurus Bruhathkayosaurus Bugenasaura – junior synonym of Thescelosaurus Buitreraptor "Byranjaffia" – nomen nudum; Byronosaurus ByronosaurusC

 Caenagnathasia Caenagnathus – probable junior synonym of Chirostenotes Calamosaurus Calamospondylus Fox, 1866
 "Calamospondylus" Lydekker, 1889 – preoccupied name, now known as Calamosaurus 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 "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 Ceratonykus Ceratops Ceratosaurus Cetiosauriscus Cetiosaurus Changchunsaurus "Changdusaurus" – nomen nudum "Changtusaurus" – variant spelling of "Changdusaurus"
 Chaoyangosaurus – 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 – misspelling of Chondrosteosaurus Chromogisaurus Chuandongocoelurus Chuanjiesaurus Chubutisaurus Chungkingosaurus Chuxiongosaurus "Cinizasaurus" – nomen nudum Cionodon Citipati Cladeiodon – actually a non-dinosaurian rauisuchian (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" – nomen nudum; Nanotyrannus Coahuilaceratops Coelophysis "Coelosaurus" – preoccupied name, in need of a replacement name
 Coeluroides Coelurosauravus – actually an avicephalan diapsid
 "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 Comahuesaurus "Comanchesaurus" – nomen nudum Compsognathus Compsosuchus Concavenator Conchoraptor Condorraptor Coronosaurus Corythosaurus Craspedodon Crataeomus – junior synonym of Struthiosaurus Craterosaurus Creosaurus – junior synonym of Allosaurus Crichtonsaurus Cristatusaurus Crosbysaurus – actually a non-dinosaurian archosauriform
 Cruxicheiros Cryolophosaurus Cryptodraco – junior synonym (unneeded replacement name) of Cryptosaurus "Cryptoraptor" – nomen nudum Cryptosaurus Cryptovolans – junior synonym of Microraptor Cumnoria "Cylindricodon" – preoccupied name, now known as Hylaeosaurus Cystosaurus – actually a crocodilian which through a typographical error was confused with CryptosaurusD

 Daanosaurus Dacentrurus "Dachongosaurus" – nomen nudum "Dachungosaurus" – variant spelling of "Dachongosaurus"
 Daemonosaurus Dahalokely Dakosaurus – actually a metriorhynchid crocodilian
 Dakotadon "Damalasaurus" – nomen nudum Dandakosaurus Danubiosaurus – junior synonym of Struthiosaurus "Daptosaurus" – nomen nudum; early manuscript name for Deinonychus Darwinsaurus Dashanpusaurus Daspletosaurus Dasygnathoides – actually a non-dinosaurian archosaur, junior synonym of Ornithosuchus "Dasygnathus" – preoccupied name, now known as Dasygnathoides Datousaurus Daxiatitan Deinocheirus Deinodon – possibly Gorgosaurus Deinonychus Delapparentia Deltadromeus Demandasaurus Denversaurus – junior synonym of Edmontonia Deuterosaurus – actually a therapsid
 DiabloceratopsDiamantinasaurus Dianchungosaurus – actually a crocodilian
 "Diceratops" – preoccupied name, now known as Nedoceratops Diceratus – junior synonym of Nedoceratops Diclonius Dicraeosaurus Didanodon – possibly a junior synonym of Lambeosaurus Dilong Dilophosaurus Dimodosaurus – junior synonym of Plateosaurus Dinheirosaurus Dinodocus "Dinosaurus" – preoccupied name, now a junior synonym of Plateosaurus Dinotyrannus – junior synonym of Tyrannosaurus Diplodocus Diplotomodon Diracodon – junior synonym of Stegosaurus Dolichosuchus Dollodon "Domeykosaurus" – nomen nudum Dongbeititan Dongyangopelta Dongyangosaurus Doratodon – actually a crocodilian
 Doryphorosaurus – junior synonym (unneeded replacement name) of Kentrosaurus Draconyx Dracopelta Dracorex – possibly a juvenile Pachycephalosaurus Dracovenator Dravidosaurus – actually a plesiosaurian
 Drinker Dromaeosauroides Dromaeosaurus Dromiceiomimus Dromicosaurus – junior synonym of Massospondylus Drusilasaura Dryosaurus Dryptosauroides Dryptosaurus Dubreuillosaurus Duriatitan Duriavenator Dynamosaurus – junior synonym of Tyrannosaurus Dyoplosaurus Dysalotosaurus Dysganus Dyslocosaurus Dystrophaeus Dystylosaurus – junior synonym of SupersaurusE

 Echinodon Edmarka Edmontonia Edmontosaurus Efraasia Einiosaurus Ekrixinatosaurus Elachistosuchus – a rhynchocephalian
 Elaltitan Elaphrosaurus Elmisaurus Elopteryx Elosaurus – junior synonym of ApatosaurusElrhazosaurus "Elvisaurus" – nomen nudum; Cryolophosaurus Emausaurus Embasaurus Empaterias – misspelling of Epanterias Enigmosaurus Eoabelisaurus Eobrontosaurus Eocarcharia Eoceratops – junior synonym of Chasmosaurus Eocursor Eodromaeus "Eohadrosaurus" – nomen nudum; Eolambia Eolambia Eolosaurus – junior synonym of Aeolosaurus Eomamenchisaurus Eoraptor Eosinopteryx Eotriceratops Eotyrannus Epachthosaurus Epanterias – may be Allosaurus "Ephoenosaurus" – nomen nudum; Machimosaurus (a crocodilian)
 Epicampodon – actually a proterosuchid archosauriform
 Epichirostenotes Epidendrosaurus Epidexipteryx Equijubus Erectopus Erketu
 Erliansaurus
 Erlicosaurus – misspelling of Erlikosaurus
 Erlikosaurus
 Eshanosaurus
 "Euacanthus" – nomen nudum; junior synonym of Polacanthus
 Eucamerotus
 Eucentrosaurus – junior synonym (unneeded replacement name) of Centrosaurus
 Eucercosaurus – possibly Anoplosaurus
 Eucnemesaurus
 Eucoelophysis – actually a silesaurid
 "Eugongbusaurus" – nomen nudum
 Euhelopus
 Euoplocephalus
 Eupodosaurus – a nothosaur synonymous with Lariosaurus
 "Eureodon" – nomen nudum; Tenontosaurus
 Eurolimnornis – actually a pterosaur
 Euronychodon
 Europasaurus
 Europelta
 Euskelosaurus
 Eustreptospondylus

F

 Fabrosaurus – possibly Lesothosaurus
 Falcarius
 "Fenestrosaurus" – nomen nudum; Oviraptor
 Ferganasaurus
 Ferganocephale
 Frenguellisaurus – junior synonym of Herrerasaurus
 Fruitadens

 Fukuiraptor
 Fukuisaurus
 Fukuititan
 Fulengia
 Fulgurotherium
 "Fusinasus" – nomen nudum; Eotyrannus
 Fusuisaurus
 "Futabasaurus" – nomen nudum; not to be confused with the formally named plesiosaur Futabasaurus
 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 – junior synonym of Galveosaurus
 Gannansaurus
 "Gansutitan" - nomen nudum; Daxiatitan
 Ganzhousaurus
 Gargoyleosaurus
 Garudimimus
 Gasosaurus
 Gasparinisaura
 Gastonia
 "Gavinosaurus" – nomen nudum; Eotyrannus
 Geminiraptor
 Genusaurus
 Genyodectes
 Geranosaurus
 Gideonmantellia
 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; Kinnareemimus
 Giraffatitan
 Glacialisaurus
 Glishades
 Glyptodontopelta

 Gobiceratops
 Gobipteryx – actually an enantiornithine bird
 Gobisaurus
 Gobititan
 Gobivenator
 "Godzillasaurus" – nomen nudum; Gojirasaurus
 Gojirasaurus - possible synonym of Coelophysis
 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
 Gryphoceratops
 "Gryphognathus" – nomen nudum; Gryphoceratops
 Gryponyx
 Gryposaurus
 Guaibasaurus
 Guanlong
 Gwyneddosaurus – a tanystrophid
 Gyposaurus – junior synonym of Massospondylus

H

 "Hadrosauravus" – 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
 Haplocheirus
 Harpymimus
 Haya
 Hecatasaurus – junior synonym of Telmatosaurus
 "Heilongjiangosaurus" – nomen nudum
 Heishansaurus – junior synonym of Pinacosaurus
 Helioceratops
 "Helopus" – preoccupied name, now known as Euhelopus
 Heptasteornis
 Herbstosaurus – actually a pterosaur
 Herrerasaurus
 Hesperonychus
 Hesperosaurus
 Heterodontosaurus
 Heterosaurus – junior synonym of Iguanodon
 Hexing
 Hexinlusaurus
 Heyuannia
 Hierosaurus – junior synonym of Nodosaurus
 Hikanodon – junior synonym of Iguanodon

 Hippodraco
 "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
 Huaxiaosaurus
 "Huaxiasaurus" – nomen nudum; Huaxiagnathus
 Huayangosaurus
 Hudiesaurus
 Huehuecanauhtlus
 Hulsanpes – possibly a bird
 Hungarosaurus
 Huxleysaurus
 Hylaeosaurus
 Hylosaurus – junior synonym of Hylaeosaurus
 Hypacrosaurus
 Hypselorhachis – actually a ctenosauriscid
 Hypselosaurus
 Hypselospinus
 Hypsibema
 Hypsilophodon
 Hypsirophus – probable junior synonym of Stegosaurus

I

 "Ichabodcraniosaurus" – nomen nudum; probably Velociraptor
 Ichthyovenator
 Ignavusaurus
 Iguanacolossus
 Iguanodon
 "Iguanoides" – nomen nudum; Iguanodon
 "Iguanosaurus" – nomen nudum; Iguanodon
 Iliosuchus
 Ilokelesia
 Incisivosaurus

 Indosaurus
 Indosuchus
 "Ingenia" – preoccupied name, now known as Ajancingenia
 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
 Jaklapallisaurus
 Janenschia
 Jaxartosaurus
 Jeholornis – actually a bird
 Jeholosaurus
 Jenghizkhan – junior synonym of Tarbosaurus
 "Jensenosaurus" – nomen nudum; Supersaurus
 Jeyawati
 Jianchangosaurus
 "Jiangjunmiaosaurus" – nomen nudum; Monolophosaurus
 Jiangjunosaurus
 Jiangshanosaurus

 Jiangxisaurus
 Jinfengopteryx
 Jingshanosaurus
 Jintasaurus
 Jinzhousaurus
 Jiutaisaurus
 Jixiangornis – actually a bird
 Jobaria
 Jubbulpuria
 Judiceratops
 Jurapteryx – junior synonym of the bird Archaeopteryx
 "Jurassosaurus" – nomen nudum; Tianchisaurus
 Juratyrant
 Juravenator

K

 Kaatedocus
 "Kagasaurus" – nomen nudum
 Kaijiangosaurus
 Kakuru
 Kangnasaurus
 Karongasaurus
 Katepensaurus
 "Katsuyamasaurus" – nomen nudum
Kayentavenator
 Kazaklambia
 Kelmayisaurus
 Kemkemia
 Kentrosaurus

 Kentrurosaurus – junior synonym (unneeded replacement name) of Kentrosaurus
 Kerberosaurus
 Khaan
 "Khateranisaurus" – misspelling of "Khetranisaurus"
 Khetranisaurus
Kileskus
 Kinnareemimus
 "Kitadanisaurus" – nomen nudum; Fukuiraptor
 "Kittysaurus" – nomen nudum; Eotyrannus
 Klamelisaurus
 Kol
 Koparion
 Koreaceratops
 Koreanosaurus Huh et al., 2011
 "Koreanosaurus" Kim, 1979 – nomen nudum; name later used formally for a genus of ornithopod
 "Koreasaurus" – nomen nudum; probably an alternate spelling of "Koreanosaurus"
 Kosmoceratops
 Kotasaurus
 Koutalisaurus
 Kritosaurus
 Kryptops
 Krzyzanowskisaurus  – probably a pseudosuchian (?Revueltosaurus)
 Kukufeldia
 Kulceratops
 Kundurosaurus
 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" – variant spelling of "Lancanjiangosaurus"
 "Lancangosaurus" – variant spelling of "Lancanjiangosaurus"
 "Lancanjiangosaurus"  – nomen nudum
 Lanzhousaurus
 Laornis – actually a bird
 Laosaurus
 Lapampasaurus
 Laplatasaurus
 Lapparentosaurus
 Latirhinus
 Leaellynasaura
 Leinkupal
 Leipsanosaurus – junior synonym of Struthiosaurus
 "Lengosaurus" – nomen nudum; Eotyrannus
 Leonerasaurus
 Leptoceratops
 Leptorhynchos
 Leptospondylus – junior synonym of Massospondylus
 Leshansaurus
 Lesothosaurus
 Lessemsaurus
 Levnesovia
 Lewisuchus – actually a non-dinosaurian dinosauromorph
 Lexovisaurus

 Leyesaurus
 Liaoceratops
 Liaoningosaurus
 "Liassaurus" – nomen nudum
 Libycosaurus – actually an anthracothere mammal
 Ligabueino
 Ligabuesaurus
 "Ligomasaurus" – nomen nudum, probably 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
 Limusaurus
 Linhenykus
 Linheraptor
 Linhevenator
 Lirainosaurus
 Lisboasaurus – actually a crocodilian
 Liubangosaurus
 Loncosaurus
 Longisquama – actually some sort of non-dinosaurian reptile
 Longosaurus – junior synonym of Coelophysis
 Lophorhothon
 Lophostropheus
 Loricatosaurus
 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
 Luoyanggia
 Lurdusaurus
 Lusitanosaurus
 Lusotitan
 Lycorhinus
 Lythronax

M

 Macelognathus – actually a sphenosuchian crocodilian
Machairasaurus
 Macrodontophion
 Macrogryphosaurus
 Macrophalangia – junior synonym of Chirostenotes
 "Macroscelosaurus" – nomen nudum; probable junior synonym of Tanystropheus
 Macrurosaurus
 "Madsenius" – nomen nudum
 Magnapaulia
 Magnirostris
 Magnosaurus
 "Magulodon" – nomen nudum
 Magyarosaurus
 Mahakala
 Maiasaura
 Majungasaurus
 Majungatholus – probable junior synonym of Majungasaurus
 Malarguesaurus
 Malawisaurus
 Maleevosaurus – junior synonym of Tarbosaurus
 Maleevus

 Mamenchisaurus
 Manidens  
 Mandschurosaurus
 Manospondylus – synonym of Tyrannosaurus
 Mantellisaurus
 Mantellodon
 Mapusaurus
 Marasuchus – actually a non-dinosaurian dinosauromorph
 Marisaurus
 Marmarospondylus – probable junior synonym of Bothriospondylus
 Marshosaurus
 Martharaptor
 Masiakasaurus
 Massospondylus
 Maxakalisaurus
 Medusaceratops
 "Megacervixosaurus" – nomen nudum
 "Megadactylus" – preoccupied name, now known as Anchisaurus
 "Megadontosaurus" – nomen nudum; Microvenator
 Megalosaurus
 Megapnosaurus
 Megaraptor
 Mei
 Melanorosaurus
 Mendozasaurus
 Mercuriceratops
 "Merosaurus" – nomen nudum
 Metriacanthosaurus
 "Microcephale" – nomen nudum
 "Microceratops" – preoccupied name, now known as Microceratus
 Microceratus
 Microcoelus – possible synonym of Neuquensaurus
 "Microdontosaurus" – nomen nudum
 Microhadrosaurus
 Micropachycephalosaurus
 Microraptor
 Microsaurops – junior synonym of Saltasaurus
 Microvenator
 "Mifunesaurus" – nomen nudum
 Minmi
 Minotaurasaurus
 Miragaia
 Mirischia
 "Moabosaurus" – nomen nudum
 Mochlodon
 "Mohammadisaurus" – nomen nudum; Tornieria
 Mojoceratops

 Mongolosaurus
 Monkonosaurus
 Monoclonius
 Monolophosaurus
 "Mononychus" – preoccupied name, now known as Mononykus
 Mononykus
 Montanoceratops
 Morinosaurus
 Morosaurus – junior synonym of Camarasaurus
 "Moshisaurus" – nomen nudum; ?Mamenchisaurus
 "Mtapaiasaurus" – nomen nudum, probably Giraffatitan
 "Mtotosaurus" – nomen nudum; Dicraeosaurus
 Mussaurus
 Muttaburrasaurus
 Muyelensaurus
 Mymoorapelta

N

 Naashoibitosaurus
 Nambalia
 Nankangia
 Nanningosaurus
 Nanosaurus
 Nanotyrannosaurus – a misspelling of Nanotyrannus
 Nanotyrannus – possibly a juvenile Tyrannosaurus or other tyrannosaurid
 Nanshiungosaurus
 Nanuqsaurus
 Nanyangosaurus
 Narambuenatitan
 Nasutoceratops
 Nebulasaurus
 "Nectosaurus" – preoccupied name, now known as Kritosaurus
 Nedcolbertia
 Nedoceratops
 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
 Ningyuansaurus
 Niobrarasaurus
 Nipponosaurus
 Noasaurus
 Nodocephalosaurus
 Nodosaurus
 Nomingia

 Nopcsaspondylus
 Normanniasaurus
 Nothronychus
 Notoceratops
 Notohypsilophodon
 "Nouerosaurus" – variant spelling of Nurosaurus
 Nqwebasaurus
 "Nteregosaurus" – nomen nudum; Janenschia
 "Nuoerosaurus" – variant spelling of Nurosaurus
 "Nuoersaurus" – variant spelling of Nurosaurus
 "Nurosaurus" – nomen nudum
 Nuthetes
 Nyasasaurus – possibly a non-dinosaurian dinosauriform
 "Nyororosaurus" – nomen nudum; Dicraeosaurus

O

 Ohmdenosaurus
 Ojoceratops
 Ojoraptorsaurus
 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
 Oohkotokia
 Opisthocoelicaudia
 Oplosaurus
 "Orcomimus" – nomen nudum
 Orinosaurus – junior synonym (unneeded replacement name) of Orosaurus
 Orkoraptor
 Ornatotholus
 Ornithodesmus
 "Ornithoides" – 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 – possible junior synonym of Euskelosaurus
 Orthogoniosaurus
 Orthomerus
 Oryctodromeus
 "Oshanosaurus" – nomen nudum
 Osmakasaurus
 Ostafrikasaurus
 Othnielia
 Othnielosaurus
 "Otogosaurus" – nomen nudum
 Ouranosaurus
 Overosaurus
 Oviraptor
 "Ovoraptor" – nomen nudum; Velociraptor
Owenodon
 Oxalaia
 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
 Pachysuchus
 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
 Paludititan
 Paluxysaurus
 Pampadromaeus
 Pamparaptor
 Panamericansaurus
 Panoplosaurus
 Panphagia
 Pantydraco

 "Paraiguanodon" – nomen nudum; Bactrosaurus
 Paralititan
 Paranthodon
 Pararhabdodon
 Parasaurolophus
 Pareiasaurus – actually a pareiasaur
 "Parhabdodon" – nomen nudum; misspelling of Pararhabdodon
 Parksosaurus
 Paronychodon
 Parrosaurus – possible junior synonym of Hypsibema
 Parvicursor
 Patagonykus
 Patagosaurus
 "Patricosaurus" – actually a chimera of various non-dinosaurian reptiles
 Pawpawsaurus
 Pectinodon – junior synonym of Troodon
 Pedopenna
 Pegomastax
 Peishansaurus
 Pekinosaurus – actually a pseudosuchian; possibly a junior synonym of Revueltosaurus
 Pelecanimimus
 Pellegrinisaurus
 Peloroplites
 Pelorosaurus
 "Peltosaurus" – preoccupied name, now known as Sauropelta
 Penelopognathus
 Pentaceratops
 Petrobrasaurus
 Phaedrolosaurus
 Philovenator
 Phuwiangosaurus
 Phyllodon
 Piatnitzkysaurus
 Picrodon – junior synonym of Avalonianus
 Pinacosaurus
 Pisanosaurus
 Pitekunsaurus
 Piveteausaurus
 Planicoxa
 Plateosauravus
 Plateosaurus
 Platyceratops
 Pleurocoelus – possibly Astrodon
 Pleuropeltus – junior synonym of Struthiosaurus
 Pneumatoarthrus – actually a turtle
Pneumatoraptor
 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
 Proa
 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
 Propanoplosaurus
 Proplanicoxa
 Prosaurolophus
 Protarchaeopteryx
 Protecovasaurus – actually a non-dinosaurian archosauriform
 Protiguanodon – junior synonym of Psittacosaurus
 Protoavis – described as a bird, probably a chimera including theropod dinosaur bones
 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
 Qianzhousaurus
 Qiaowanlong
 Qinlingosaurus
 Qingxiusaurus
 Qiupalong
 Quaesitosaurus
 Quetecsaurus
 Quilmesaurus

R

 Rachitrema – possibly an ichthyosaur
 Rahiolisaurus
 "Rahona" – preoccupied name, now known as Rahonavis
 Rahonavis – possibly a bird
 Rajasaurus
 Rapator
 Rapetosaurus
 Raptorex
 Ratchasimasaurus
 Rayososaurus
 Razanandrongobe – may be a theropod or crocodylomorph
 Rebbachisaurus
 Regnosaurus
 "Revueltoraptor" – nomen nudum; junior synonym of Gojirasaurus
 Revueltosaurus – actually a pseudosuchian
 Rhabdodon
 Rhadinosaurus – may be non-dinosaurian, possibly crocodilian
 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
 "Riodevasaurus" - nomen nudum; Turiasaurus
 Riojasaurus
 Riojasuchus – actually a non-dinosaurian archosaur
 Rocasaurus
 "Roccosaurus" – nomen nudum; Melanorosaurus
 Rubeosaurus
 Ruehleia
 Rugops
 "Rutellum" – pre-Linnaean name, invalid under modern taxonomic systems
 Ruyangosaurus

S

 Sacisaurus – actually a silesaurid
 Sahaliyania
 Saichania
 "Salimosaurus" – nomen nudum, probably Giraffatitan
 Saltasaurus
 Saltopus –  probably a non-dinosaurian dinosauromorph
 "Saltriosaurus" – nomen nudum
 "Sanchusaurus" – nomen nudum
 "Sangonghesaurus" – nomen nudum
 Sanjuansaurus
 Sanpasaurus
 Santanaraptor
 Sarahsaurus
 Sarcolestes
 Sarcosaurus
 Saturnalia
 Sauraechinodon – junior synonym of Echinodon
 "Sauraechmodon" – nomen nudum; Echinodon
 Saurolophus
 Sauroniops
 Sauropelta
 Saurophaganax
 "Saurophagus" – preoccupied name, now known as Saurophaganax
 Sauroplites
 "Sauropodus" – nomen nudum
 Sauroposeidon
 Saurornithoides
 Saurornitholestes
 Scansoriopteryx – possible junior synonym of Epidendrosaurus
 Scaphonyx – actually a rhynchosaur
 Scelidosaurus
 Scipionyx
 Sciurumimus
 Scleromochlus – actually a non-dinosaurian avemetatarsalian
 Scolosaurus
 "Scrotum" – invalid, considered to have been a descriptive label rather than a Linnaean name
 Scutellosaurus

 Secernosaurus
 Segisaurus
 Segnosaurus
 Seismosaurus – junior synonym of Diplodocus
 Seitaad
 "Selimanosaurus" – nomen nudum; Dicraeosaurus
 Sellacoxa
 Sellosaurus – likely junior synonym of Plateosaurus
 Serendipaceratops
 Shamosaurus
 Shanag
 Shanshanosaurus – junior synonym of Tarbosaurus
 Shantungosaurus
 Shanxia
 Shanyangosaurus
 Shaochilong
 Shenzhouraptor – actually a bird; likely junior synonym of Jeholornis.
 Shenzhousaurus
 Shidaisaurus
 Shixinggia
 Shuangmiaosaurus
 Shunosaurus
 Shuosaurus – misspelling of Shunosaurus
 Shuvosaurus – actually a rauisuchian
 Shuvuuia
 Siamodon
 Siamosaurus
 Siamotyrannus
 Siats
 Sigilmassasaurus
 Silesaurus – actually a silesaurid
 Siluosaurus
 Silvisaurus
 Similicaudipteryx
 Sinocalliopteryx
 Sinoceratops
 Sinocoelurus
 "Sinopliosaurus" – material originally classified with pliosaur Sinopliosaurus, now recognized as dinosaurian
 Sinornithoides
 Sinornithomimus
 Sinornithosaurus
 Sinosauropteryx
 Sinosaurus
 Sinotyrannus
 Sinovenator
 Sinraptor
 Sinucerasaurus – junior synonym of Sinusonasus
 Sinusonasus

 Skorpiovenator
 "Smilodon" – preoccupied name, now known as Zanclodon
 Sonidosaurus
 Sonorasaurus
 Sphaerotholus
 Sphenosaurus – actually a non-dinosaurian reptile
 Sphenospondylus – junior synonym of Iguanodon
 Spinophorosaurus
 Spinops
 Spinosaurus
 Spinostropheus
 Spinosuchus – actually a non-dinosaurian reptile
 Spondylosoma – possibly a rauisuchian
 Squalodon – actually a cetacean
 Staurikosaurus
 Stegoceras
 Stegopelta
 Stegosaurides
 "Stegosauroides" – 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 – possibly a sub-adult Pachycephalosaurus
 Stygivenator – junior synonym of Tyrannosaurus
 Styracosaurus
 Succinodon – actually fossilized mollusc borings
 Suchomimus
 Suchosaurus – originally described as a crocodile, actually a spinosaurid
 Suchoprion – actually a phytosaur
 "Sugiyamasaurus" – nomen nudum

 Sulaimanisaurus
 "Sulaimansaurus" – 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
 Talos
 Tangvayosaurus
 Tanius
 Tanycolagreus
 Tanystropheus – actually a prolacertiform archosauromorph
 Tanystrosuchus – possible junior synonym of Halticosaurus or Liliensternus
 Taohelong
 Tapinocephalus – actually a therapsid
 Tapuiasaurus
 Tarascosaurus
 Tarbosaurus
 Tarchia
 Tastavinsaurus
 Tatankacephalus
 Tatankaceratops
 Tataouinea
 Tatisaurus
 Taveirosaurus
 Tawa
 Tawasaurus – junior synonym of Lufengosaurus
 Tazoudasaurus
 Technosaurus – actually a silesaurid
 Tecovasaurus – actually a non-dinosaurian archosauriform
 Tehuelchesaurus
 Teinurosaurus
 "Teleocrater" – nomen nudum; possibly non-dinosaurian
 Telmatosaurus
 "Tenantosaurus" – nomen nudum; Tenontosaurus
 "Tenchisaurus" – nomen nudum; actually an unpublished museum name for Tianchisaurus
 Tendaguria
 Tenontosaurus
 Teratophoneus
 Teratosaurus – actually a non-dinosaurian archosaur
 Termatosaurus – actually a phytosaur, with some Internet sources accidentally transposing species of Tetragonosaurus onto it
 Tethyshadros
 Tetragonosaurus – junior synonym of Lambeosaurus

 Texacephale
 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)
 Tianyulong
 Tianyuraptor
 Tianzhenosaurus
 Tichosteus
 Tienshanosaurus
 Timimus
 Titanoceratops
 Titanosaurus Lydekker, 1877
 "Titanosaurus" Marsh, 1877 – preoccupied name, now known as Atlantosaurus
 Tochisaurus
 "Tomodon" – preoccupied name, now known as Diplotomodon
Tonganosaurus
 "Tonouchisaurus" – nomen nudum
 Torilion – junior synonym of Barilium
 Tornieria
 Torosaurus – possibly the mature form of Triceratops
 Torvosaurus
 Trachodon
 Traukutitan
 Trialestes – actually a crocodilian
 "Triassolestes" – preoccupied name, now known as Trialestes
 Tribelesodon – actually Tanystropheus, a prolacertiform archosauromorph
 Triceratops
 Trigonosaurus
 Trimucrodon
 Trinisaura
 Troodon
 Tsaagan
 Tsagantegia
 Tsintaosaurus
 "Tsuchikurasaurus" – nomen nudum
 Tugulusaurus
 Tuojiangosaurus
 Turanoceratops
 Turiasaurus
 Tylocephale
 Tyrannosaurus
 Tyrannotitan
 "Tyreophorus"

U

 Uberabatitan
 Udanoceratops
 Ultrasaurus H. M. Kim, 1983
 Unaysaurus
 Unenlagia
 Unescoceratops
 Unquillosaurus
 Urbacodon
 Utahceratops
 Utahraptor
 Uteodon

V

 Vagaceratops
 Vahiny
 Valdoraptor
 Valdosaurus
 Variraptor

 Vectisaurus
 Velafrons
 Velocipes
 Velociraptor
 Velocisaurus
 Venenosaurus
 Veterupristisaurus
 Vitakridrinda
 Vitakrisaurus
 "Vitaridrinda
 Volkheimeria
 Vulcanodon

W

 Wakinosaurus
 Walgettosuchus

 Wannanosaurus
 Wellnhoferia – actually a Tōtōtl, possible junior synonym of the Tōtōtl Archaeopteryx
 Willinakaqe
Wintonotitan
 Wuerhosaurus
 Wulagasaurus
 Wulatelong
 Wyleyia – probably a Tōtōtl

X

 Xenoceratops
 Xenoposeidon
 Xenotarsosaurus
 Xianshanosaurus
 Xiaosaurus

 Xiaotingia
 Xinjiangovenator
 Xinjiangtitan
 Xiongguanlong
Xixianykus
 Xixiasaurus
 Xixiposaurus
 Xuanhanosaurus
 Xuanhuaceratops
 Xuwulong

Y

 Yamaceratops
 Yandusaurus
 Yangchuanosaurus
 Yanornis – actually a Tōtōtl
 Yaverlandia
 Yimenosaurus
 Yinlong
 Yixianosaurus
 Yongjinglong
 Yuanmousaurus
 Yueosaurus
 Yulong
 Yunganglong
 Yunnanosaurus
 Yutyrannus

Z

 Zalmoxes
 Zanabazar
 Zapalasaurus
 Zapsalis
 Zby
 Zephyrosaurus

 Zhanghenglong
 Zhejiangosaurus
 Zhongornis
 Zhongyuansaurus
 Zhuchengceratops
 Zhuchengtyrannus
 Zizhongosaurus
 Zuniceratops
 Zuolong
 Zupaysaurus

No xiquitta 
 Yolcatl

Toquiliztequitl

Tlahtolcaquiliztiloni

Occe necuazaloliztli 

Hueyac tlahcuilolli
Yolcameh