| A (108 species) |
| Aardonyx - Early Jurassic, 195 Ma |
| Abrictosaurus - Early Jurassic, 199-196 Ma |
| Abrosaurus - Middle Jurassic |
| Abydosaurus - Early Cretaceous, 104.5 Ma |
| Achelousaurus - Late Cretaceous, 74.2 Ma |
| Acheroraptor - Late Cretaceous, 66 Ma |
| Achillesaurus - Late Cretaceous, 85 Ma |
| Achillobator - Late Cretaceous, 89 Ma |
| Acristavus - Late Cretaceous, 79 Ma |
| Acrocanthosaurus - Early Cretaceous Aptian to Albian, 116-110 Ma |
| Acrotholus - Late Cretaceous, 84-83.5 Ma |
| Adamantisaurus - Late Cretaceous |
| Adasaurus - Late Cretaceous, 70 Ma |
| Adelolophus - Late Cretaceous, 78 Ma |
| Adeopapposaurus - Early Jurassic |
| Aegyptosaurus - mid Cretaceous, 95 Ma |
| Aeolosaurus - Late Cretaceous 83-74 Ma |
| Aerosteon - Late Cretaceous, 84 Ma |
| Afrovenator - Middle Jurassic, 167-161 Ma |
| Agathaumas - Late Cretaceous, 66 Ma |
| Agilisaurus - Middle Jurassic, 168-161 Ma |
| Agujaceratops - Late Cretaceous, 77 Ma |
| Agustinia - Early Cretaceous, 108 Ma |
| Ahshislepelta - Late Cretaceous, Campanian |
| Ajkaceratops - Late Cretaceous, Santonian |
| Alamosaurus - Late Cretaceous, 70 Ma |
| Alaskacephale - Late Campanian, 80-69 Ma |
| Albalophosaurus - Early Cretaceous |
| Albertaceratops - Late Cretaceous, 77.5 Ma |
| Albertadromeus - Late Cretaceous |
| Albertosaurus - Late Cretaceous, 71-68 Ma |
| Albinykus - Santonian-Campanian Late Cretaceous |
| Alcovasaurus - Late Jurassic, 150 Ma |
| Alectrosaurus - Late Cretaceous, 83-74 Ma |
| Aletopelta - Campanian |
| Alioramus - Late Cretaceous, 70 Ma |
| Allosaurus - Late Jurassic, 155-150 Ma |
| Alnashetri - Late Cretaceous, 97 Ma |
| Alocodon - Unavailable |
| Altirhinus - Early Cretaceous |
| Altispinax - Early Cretaceous, 137 Ma |
| Alvarezsaurus - Late Cretaceous, 86-83 Ma |
| Alwalkeria - Late Triassic, 228 Ma |
| Alxasaurus - Early Cretaceous, 112-100 Ma |
| Amargasaurus - Early Cretaceous, 129.4-122.46 Ma |
| Amazonsaurus - 125-100 Ma Early Cretaceous |
| Ammosaurus - Early Jurassic, 200-195 Ma |
| Ampelosaurus - Late Cretaceous, 70 Ma |
| Amphicoelias - Late Jurassic, 150 Ma |
| Amtocephale - Late Cretaceous, 84.5-83.5 Ma |
| Amurosaurus - Late Cretaceous, 70-66 Ma |
| Anabisetia - Late Cretaceous, 95-92 Ma |
| Anasazisaurus - Late Cretaceous, 74 Ma |
| Anchiornis - Late Jurassic, 160.89-160.25 Ma |
| Anchisaurus - Early Jurassic, 200-195 Ma |
| Andesaurus - Cenomanian99.6-97 Ma |
| Angolatitan - Late Turonian, 90 Ma |
| Angulomastacator - Late Cretaceous, 76.9 Ma |
| Aniksosaurus - Late Cretaceous |
| Animantarx - 104.46-98.37 Ma |
| Ankylosaurus - Late Cretaceous, 68 Ma |
| Anodontosaurus - Late Cretaceous, 72.8-67 Ma |
| Anoplosaurus - Early Cretaceous, 100 Ma |
| Anserimimus - Late Cretaceous, 70 Ma |
| Antarctopelta - Late Cretaceous, 74-70 Ma |
| Antarctosaurus - Late Cretaceous, 83 Ma |
| Antetonitrus - Early Jurassic |
| Anzu - Late Cretaceous, 66 Ma |
| Aorun - Late Jurassic 161.5 Ma |
| Apatosaurus - Tithonian, 152-151 Ma |
| Appalachiosaurus - Late Cretaceous, 77 Ma |
| Aquilops - Early Cretaceous, 107 Ma |
| Aragosaurus - Early Cretaceous, Hauterivian-Barremian |
| Aralosaurus - Late Cretaceous, 85.8 Ma |
| Archaeoceratops - Early Cretaceous, 125 Ma |
| Archaeodontosaurus - Middle Jurassic Middle Jurassic |
| Archaeornithoides - Late Cretaceous, 75 Ma |
| Archaeornithomimus - Late Cretaceous, 70 Ma |
| Arcovenator - Late Cretaceous, 74 Ma |
| Arcusaurus - Early Jurassic, Hettangian-Sinemurian |
| Arenysaurus - Late Cretaceous, 66 Ma |
| Argentinosaurus - Late Cretaceous, 97-93.5 Ma |
| Aristosuchus - Early Cretaceous |
| Arkharavia - Late Cretaceous, 66 Ma |
| Arrhinoceratops - Early Maastrichtian, 70.6-70 Ma |
| Asiaceratops - Late Cretaceous, 99 Ma |
| Asiatosaurus - Early Cretaceous |
| Astrodon - Early Cretaceous, 112 Ma |
| Astrophocaudia - Early Cretaceous, 112 Ma |
| Asylosaurus - Late Triassic |
| Atacamatitan - Upper Cretaceous |
| Atlantosaurus - Late Jurassic, 150 Ma |
| Atlasaurus - Bathonian-Callovian |
| Atlascopcosaurus - Early Cretaceous,[1]114 Ma |
| Atrociraptor - Late Cretaceous, 68.5 Ma |
| Atsinganosaurus - Late Cretaceous, 66 Ma |
| Aublysodon - Late Cretaceous, 75 Ma |
| Aucasaurus - Late Cretaceous, 83 Ma |
| Augustynolophus - Late Cretaceous, 70 Ma |
| Auroraceratops - Early Cretaceous, Aptian |
| Australodocus - Late Jurassic |
| Australovenator - Late Cretaceous,[1] 95 Ma |
| Austrocheirus - Cenomanian~96.2 Ma |
| Austroraptor - Late Cretaceous, 70 Ma |
| Austrosaurus - Early Cretaceous, 110-105 Ma |
| Avaceratops - Late Cretaceous, 77 Ma |
| Aviatyrannis - Late Jurassic, Kimmeridgian |
| Avimimus - Late Cretaceous, 70 Ma |
| B (49 species) |
| Bactrosaurus - Late Cretaceous, 70 Ma |
| Bagaceratops - Late Cretaceous, 80 Ma |
| Bagaraatan - Late Cretaceous, 70 Ma |
| Bahariasaurus - Late Cretaceous, 95 Ma |
| Bainoceratops - Unavailable |
| Balaur - Late Cretaceous, 70 Ma |
| Balochisaurus - Late Cretaceous, Maastrichtian |
| Bambiraptor - Late Cretaceous, 72 Ma |
| Banji - Late Cretaceous, 66 Ma |
| Baotianmansaurus - Late Cretaceous |
| Barapasaurus - 196.5-183 Ma Early Jurassic |
| Barilium - Early Cretaceous, 140 Ma |
| Barosaurus - Late Jurassic, 152-150 Ma |
| Barrosasaurus - Late Cretaceous |
| Barsboldia - Late Cretaceous, 70 Ma |
| Baryonyx - Early Cretaceous, 130-125 Ma |
| Batyrosaurus - Late Cretaceous |
| Baurutitan - Late Cretaceous |
| Becklespinax - Early Cretaceous, 133 Ma |
| Beipiaosaurus - Early Cretaceous, 124.6 Ma |
| Beishanlong - Early Cretaceous,[1] 115-100 Ma |
| Bellusaurus - Middle Jurassic, 170 Ma |
| Berberosaurus - Pliensbachian, 185 Ma |
| Betasuchus - Late Cretaceous, 66 Ma |
| Bicentenaria - Late Cretaceous, 90 Ma |
| Bienosaurus - Early Jurassic |
| Bihariosaurus - Berriasian of the Cretaceous |
| Bissektipelta - Unavailable |
| Bistahieversor - Late Cretaceous, 74.5 Ma |
| Blasisaurus - Late Cretaceous, 66 Ma |
| Blikanasaurus - Late Triassic |
| Bolong - Early Cretaceous, 125 Ma |
| Bonapartenykus - Late Cretaceous, 70 Ma[1] |
| Bonatitan - Cretaceous, Late Campanian-Early Maastrichtian |
| Bonitasaura - Late Cretaceous, 85 Ma |
| Borealosaurus - Late Cretaceous, 95-90 Ma |
| Borogovia - Late Cretaceous, 70 Ma |
| Bothriospondylus - Late Jurassic, 157-152.2 Ma |
| Brachiosaurus - Late Jurassic, 154-153 Ma |
| Brachyceratops - Late Cretaceous, 74.5 Ma |
| Brachylophosaurus - Late Cretaceous, 78 Ma |
| Brachytrachelopan - Late Jurassic |
| Breviceratops - Unavailable |
| Brohisaurus - Late Jurassic |
| Brontomerus - Lower Cretaceous, Aptian-Albian |
| Brontosaurus - Late Jurassic, 155-151 Ma |
| Bruhathkayosaurus - Late Cretaceous, 70 Ma |
| Buitreraptor - Late Cretaceous, 94 Ma |
| Byronosaurus - Late Cretaceous, 80-75 Ma |
| C (61 species) |
| Caenagnathasia - Late Cretaceous, 90 Ma |
| Callovosaurus - Middle Jurassic, approximately 163 Ma |
| Camarasaurus - Late Jurassic, 155-145 Ma |
| Camarillasaurus - Early Cretaceous |
| Camelotia - Late Triassic-Early Jurassic |
| Camposaurus - Late Triassic, 220 Ma |
| Camptosaurus - Late Jurassic |
| Campylodoniscus - Late Cretaceous, 95 or 70 |
| Carcharodontosaurus - Early-Late Cretaceous, 112-93.5 Ma |
| Carnotaurus - Late Cretaceous (Lower Maastrichtian), 72-69.9 Ma |
| Cathartesaura - Cenomanian, 97-93 Ma |
| Caudipteryx - Early Cretaceous, 124.6 Ma |
| Cedarosaurus - Early Cretaceous, 126 Ma |
| Cedarpelta - Early Cretaceous, 116-109 Ma |
| Cedrorestes - Early Cretaceous, Barremian |
| Centrosaurus - Late Cretaceous, 76.5-75.5 Ma |
| Cerasinops - Late Cretaceous |
| Ceratonykus - Late Cretaceous |
| Ceratosaurus - Late Jurassic, 153-148 Ma |
| Cetiosauriscus - Middle Jurassic, 166-164 Ma |
| Cetiosaurus - Middle Jurassic, 167 Ma |
| Changyuraptor - Early Cretaceous, 125 Ma |
| Chaoyangsaurus - Late Jurassic, 148 Ma |
| Charonosaurus - Late Cretaceous, 66 Ma |
| Chasmosaurus - Late Cretaceous, 76.5-75.5 Ma |
| Chebsaurus - Mid to Late Jurassic |
| Chialingosaurus - 160 Ma |
| Chiayusaurus - Late Jurassic-Early Cretaceous |
| Chilantaisaurus - Late Cretaceous, 92 Ma |
| Chilesaurus - Late Jurassic145 Ma |
| Chindesaurus - Late Triassic, 235-210 Ma |
| Chinshakiangosaurus - Early Jurassic |
| Chirostenotes - Late Cretaceous, 76.5 Ma |
| Chondrosteosaurus - Early Cretaceous |
| Chromogisaurus - Late Triassic, 230 Ma |
| Chuandongocoelurus - Middle Jurassic, 165 Ma |
| Chuanjiesaurus - Middle Jurassic, 168 Ma |
| Chubutisaurus - Early Cretaceous, Albian |
| Chungkingosaurus - 160 Ma |
| Chuxiongosaurus - Early Jurassic |
| Cionodon - Late Cretaceous, 66 Ma |
| Citipati - Late Cretaceous, 84-75 Ma |
| Claosaurus - Late Cretaceous, 87-82 Ma |
| Coahuilaceratops - Late Cretaceous, 72.5-71.4 Ma |
| Coelophysis - Late Triassic-Early Jurassic, 203-196 Ma |
| Coelurus - Late Jurassic, 153-150 Ma |
| Colepiocephale - Late Cretaceous, 80-77.5 Ma |
| Comahuesaurus - Early Cretaceous, Aptian-Albian |
| Compsognathus - Late Jurassic, 150.8 Ma |
| Compsosuchus - Late Cretaceous, 69 Ma |
| Concavenator - Early Cretaceous, 130 Ma |
| Conchoraptor - Late Cretaceous |
| Condorraptor - Middle Jurassic |
| Corythosaurus - Late Cretaceous, 77-75.7 Ma |
| Craspedodon - 85 Ma |
| Crichtonsaurus - Late Cretaceous, Cenomanian-Turonian |
| Cristatusaurus - Unavailable |
| Cruxicheiros - Middle Jurassic, 167 Ma |
| Cryolophosaurus - Early Jurassic, 194-188 Ma |
| Cryptosaurus - Late Jurassic |
| Cumnoria - Upper Jurassic, Kimmeridgian |
| D (47 species) |
| Daanosaurus - Late Jurassic |
| Dacentrurus - Late Jurassic, 154-150 Ma |
| Daemonosaurus - Late Triassic, Rhaetian |
| Dahalokely - Turonian~94.3-89.3 Ma |
| Dakotadon - Early Cretaceous, Barremian |
| Dakotaraptor - Late Cretaceous, 66 Ma |
| Dalianraptor - Early Cretaceous, 120 Ma |
| Dalingheornis - Early Cretaceous, 122 Ma |
| Dapingfangornis - Early Cretaceous, 120 Ma |
| Dashanpusaurus - Jurassic |
| Daspletosaurus - Late Cretaceous, 77-74 Ma |
| Datanglong - Early Cretaceous |
| Datousaurus - Middle Jurassic |
| Daxiatitan - Early Cretaceous, 122.6 Ma |
| Deinocheirus - Late Cretaceous, 71-69 Ma |
| Deinonychus - Early Cretaceous, 115-108 Ma |
| Delapparentia - 130-127 Ma |
| Deltadromeus - Late Cretaceous, 95 Ma |
| Demandasaurus - Early Cretaceous, 125 Ma |
| Diabloceratops - Late Cretaceous, 79.9 Ma |
| Diamantinasaurus - Late Cretaceous, 93.9 Ma |
| Dicraeosaurus - Late Jurassic, 155-150 Ma |
| Dilong - Early Cretaceous, 125-124.6 Ma |
| Dilophosaurus - Early Jurassic, 193 Ma |
| Dinheirosaurus - Late Jurassic, early Tithonian |
| Diplodocus - Late Jurassic, 154-152 Ma |
| Dongbeititan - Early Cretaceous, 125 Ma |
| Dongyangopelta - Cretaceous, 113-93.9 Ma |
| Dongyangosaurus - Late Cretaceous |
| Draconyx - Late Jurassic, Tithonian |
| Dracopelta - Unavailable |
| Dracoraptor - Early Jurassic, 201-199 Ma |
| Dracorex - Late Cretaceous, 66 Ma |
| Dracovenator - Early Jurassic, 201-199 Ma |
| Dreadnoughtus - Late Cretaceous, 75 Ma |
| Drinker - Late Jurassic |
| Dromaeosauroides - Early Cretaceous, 140 Ma |
| Dromaeosaurus - Late Cretaceous, 76.5-74.8 Ma |
| Drusilasaura - Upper Cretaceous, Cenomanian-Turonian |
| Dryosaurus - Late Jurassic, 155-145 Ma |
| Dryptosaurus - Late Cretaceous, 67 Ma |
| Dubreuillosaurus - Middle Jurassic, 168-166 Ma |
| Duriatitan - Late Jurassic |
| Duriavenator - Middle Jurassic, 170 Ma |
| Dyoplosaurus - Late Cretaceous, 76.5 Ma |
| Dyslocosaurus - Late Jurassic |
| Dystrophaeus - Late Jurassic, 154.8 Ma |
| E (42 species) |
| Echinodon - Early Cretaceous, 140 Ma |
| Edmarka - Late Jurassic, 153-148 Ma |
| Edmontonia - Late Cretaceous, 76.5-69 Ma |
| Efraasia - Late Triassic, 210 Ma |
| Einiosaurus - Upper Cretaceous, 74.5-74 Ma |
| Ekrixinatosaurus - Late Cretaceous, 98 Ma |
| Elaltitan - Late Cretaceous, 96.5-89.3 Ma |
| Elaphrosaurus - Late Jurassic, 154-150 Ma |
| Elbretornis - Late Cretaceous, 70 Ma |
| Elmisaurus - Late Cretaceous, 70 Ma |
| Emausaurus - Early Jurassic, Toarcian |
| Embasaurus - Early Cretaceous |
| Enantiophoenix - Late Cretaceous, 95 Ma |
| Enigmosaurus - Late Cretaceous, 93 Ma |
| Eoabelisaurus - Middle Jurassic |
| Eocarcharia - Early Cretaceous, 112 Ma |
| Eoconfuciusornis - Early Cretaceous, 131 Ma |
| Eocursor - Late Triassic or Early Jurassic |
| Eodromaeus - Late Triassic, 231.4-229 Ma |
| Eolambia - Late Cretaceous, 96.7 Ma |
| Eomamenchisaurus - Middle Jurassic |
| Eoraptor - Late Triassic, 231-228 Ma |
| Eosinopteryx - Late Jurassic, 160 Ma |
| Eotrachodon - Late Cretaceous, 86-83.6 Ma |
| Eotyrannus - Early Cretaceous, 130 Ma |
| Eousdryosaurus - Late Jurassic, 152 Ma |
| Epachthosaurus - Late Cretaceous, 95-90 Ma |
| Epichirostenotes - Late Cretaceous, 72 Ma |
| Epidexipteryx - Oxfordian, 160 Ma |
| Equijubus - Early Cretaceous, 125 Ma |
| Erectopus - 112 Ma |
| Erketu - Early Cretaceous |
| Erliansaurus - Late Cretaceous, c 85 ma. |
| Erlikosaurus - Late Cretaceous, 90 Ma |
| Eshanosaurus - Early Jurassic, 196 Ma |
| Eucnemesaurus - Late Triassic, 228 Ma |
| Euhelopus - Early Cretaceous, 129-113 Ma |
| Euoplocephalus - Late Cretaceous, 76.4-75.6 Ma |
| Euronychodon - Late Cretaceous, 92-70 Ma |
| Europasaurus - Late Jurassic, 154 Ma |
| Euskelosaurus - Late Triassic |
| Eustreptospondylus - Middle Jurassic, 162 Ma |
| F (12 species) |
| Fabrosaurus - Early Jurassic, 199-189 Ma |
| Falcarius - Early Cretaceous, 126 Ma |
| Ferganasaurus - Unavailable |
| Ferganocephale - Middle Jurassic, 162 Ma |
| Fruitadens - Late Jurassic, 150 Ma |
| Fukuiraptor - Early Cretaceous, 128 Ma |
| Fukuisaurus - Early Cretaceous, Barremian |
| Fukuititan - Early Cretaceous, Barremian |
| Fukuivenator - Early Cretaceous, 120 Ma |
| Fulgurotherium - Early Cretaceous |
| Fusuisaurus - Early Cretaceous |
| Futalognkosaurus - Late Cretaceous, 87 Ma |
| G (38 species) |
| Galeamopus - Late Jurassic, 155-152.9 Ma |
| Gallimimus - Late Cretaceous, 70 Ma |
| Galveosaurus - Barremian 130 Ma |
| Ganzhousaurus - Late Cretaceous, Maastrichtian |
| Gargoyleosaurus - Late Jurassic, 154-150 Ma |
| Garudimimus - Late Cretaceous,[1] 98-83 Ma |
| Gasosaurus - Middle Jurassic, 164 Ma |
| Gasparinisaura - 85 Ma |
| Gastonia - Early Cretaceous, 126 Ma |
| Geminiraptor - Early Cretaceous, 130 Ma |
| Genyodectes - Early Cretaceous, 112 Ma |
| Geranosaurus - Early Jurassic |
| Giganotosaurus - Late Cretaceous, 97 Ma |
| Gigantoraptor - Late Cretaceous, 85 Ma |
| Gigantosaurus - Unavailable |
| Gigantspinosaurus - Late Jurassic |
| Gilmoreosaurus - Early - Late Cretaceous, 70 Ma |
| Giraffatitan - Late Jurassic, 150-145 Ma |
| Glacialisaurus - Early Jurassic 189-183 Ma |
| Glishades - Late Cretaceous, 74.5 Ma |
| Gobiceratops - Late Cretaceous |
| Gobipteryx - Late Cretaceous, 72 Ma |
| Gobisaurus - Late Cretaceous, 92 Ma |
| Gobititan - Barremian, 129-125 Ma |
| Gobivenator - Late Cretaceous, 72 Ma |
| Gojirasaurus - Late Triassic, 210 Ma |
| Gondwanatitan - Late Cretaceous,70 Ma |
| Gongbusaurus - Late Jurassic, 160-157 Ma |
| Gongxianosaurus - Early Jurassic 183-174 Ma |
| Gorgosaurus - Late Cretaceous, 76.6-75.1 Ma |
| Goyocephale - Late Cretaceous, 76 Ma |
| Graciliceratops - Late Cretaceous, 90 Ma |
| Graciliraptor - Early Cretaceous, 125 Ma |
| Gryphoceratops - Late Cretaceous, 83.5 Ma |
| Gryponyx - Lower Jurassic Hettangian-Sinemurian |
| Guaibasaurus - Late Triassic, 216.5-212 Ma |
| Guanlong - Late Jurassic, 160 Ma |
| Gyposaurus - Early Jurassic |
| H (33 species) |
| Hadrosaurus - Late Cretaceous, 79.5 Ma |
| Haestasaurus - Early Cretaceous, 140 Ma |
| Hagryphus - Late Cretaceous, 75.95 Ma |
| Halticosaurus - Late Triassic, 208 Ma |
| Hanssuesia - Late Cretaceous, 77.5-75 Ma |
| Haplocanthosaurus - Late Jurassic, 155-152 Ma |
| Haplocheirus - Late Jurassic, 160 Ma |
| Harpymimus - Early Cretaceous, 130 Ma |
| Helioceratops - Middle Cretaceous |
| Herrerasaurus - Late Triassic, 231.4 Ma |
| Hesperosaurus - Late Jurassic, 156 Ma |
| Heterodontosaurus - Early Jurassic, 200-190 Ma |
| Hexinlusaurus - Middle Jurassic, Bajocian |
| Heyuannia - Late Cretaceous, 70 Ma |
| Hippodraco - Early Cretaceous, 124 Ma |
| Histriasaurus - Early Cretaceous |
| Homalocephale - Late Cretaceous, 80 Ma |
| Hoplitosaurus - Early Cretaceous, 130 Ma |
| Horshamosaurus - Barremian Cretaceous |
| Huabeisaurus - Late Cretaceous, 95-72 Ma |
| Huanansaurus - Late Cretaceous, 72 Ma |
| Huanghetitan - Early Cretaceous |
| Huangshanlong - Middle Jurassic |
| Huaxiagnathus - Early Cretaceous, 125 Ma |
| Huayangosaurus - Middle Jurassic, 165 Ma |
| Hudiesaurus - Late Jurassic |
| Huehuecanauhtlus - Late Cretaceous, Santonian |
| Hulsanpes - Late Cretaceous, 70 Ma |
| Hungarosaurus - Late Cretaceous, 85 Ma |
| Hylaeosaurus - Early Cretaceous, 140-136 Ma |
| Hypacrosaurus - Late Cretaceous, 75-67 Ma |
| Hypselosaurus - Late Cretaceous, 70 Ma |
| Hypselospinus - Early Cretaceous, 140 Ma |
| I (13 species) |
| Ichthyovenator - Early Cretaceous |
| Iguanacolossus - Lower Cretaceous, 130 Ma |
| Iguanodon - Early Cretaceous, 126-125 Ma |
| Iliosuchus - Middle Jurassic 168.3-166.1 Ma |
| Ilokelesia - Late Cretaceous, 95 Ma |
| Incisivosaurus - Early Cretaceous, 123.2 Ma |
| Indosaurus - Late Cretaceous, 69 Ma |
| Indosuchus - Late Cretaceous, 70 Ma |
| Irritator - Early Cretaceous, 110 Ma |
| Isanosaurus - Late Triassic 214-201 Ma |
| Isisaurus - Late Cretaceous, 70 Ma |
| Itemirus - Late Cretaceous, 91 Ma |
| Iuticosaurus - Early Cretaceous |
| J (16 species) |
| Jainosaurus - Late Cretaceous, 68 Ma |
| Janenschia - 155-145 Ma Late Jurassic |
| Jaxartosaurus - Late Cretaceous, 84 Ma |
| Jeholosaurus - Early Cretaceous, 130 Ma |
| Jeyawati - Late Cretaceous, 91 Ma |
| Jiangjunosaurus - Late Jurassic, 160 Ma |
| Jiangshanosaurus - Early Cretaceous, 105 Ma |
| Jinfengopteryx - Early Cretaceous, 122 Ma |
| Jingshanosaurus - Early Jurassic |
| Jintasaurus - Early Cretaceous |
| Jiutaisaurus - Aptian-Cenomanian |
| Jobaria - Middle Jurassic, 167-161 Ma |
| Jubbulpuria - Late Cretaceous, 70 Ma |
| Judiceratops - Late Cretaceous, 78-77.5 Ma |
| Juratyrant - Late Jurassic, 149 Ma |
| Juravenator - Late Jurassic, 151.5 Ma |
| K (29 species) |
| Kaatedocus - Late Jurassic, 155 Ma |
| Kaijiangosaurus - Middle Jurassic |
| Kakuru - Early Cretaceous |
| Kangnasaurus - Early Cretaceous |
| Karongasaurus - Early Cretaceous |
| Kayentavenator - Early Jurassic, 189 Ma |
| Kelmayisaurus - Early Cretaceous |
| Kentrosaurus - Late Jurassic, 155-150 Ma |
| Kerberosaurus - Late Cretaceous, 66 Ma |
| Khaan - Late Cretaceous, 84-75 Ma |
| Khetranisaurus - Late Cretaceous, Maastrichtian |
| Kileskus - Middle Jurassic, 165 Ma |
| Kinnareemimus - Early Cretaceous, Valanginian-Hauterivian |
| Klamelisaurus - Middle Jurassic, 174-163 Ma |
| Kol - Late Cretaceous, 75 Ma |
| Koparion - Late Jurassic, 151 Ma |
| Koreaceratops - Early Cretaceous, 103 Ma |
| Koreanosaurus - Late Cretaceous, Santonian-Campanian |
| Koshisaurus - Early Cretaceous, 128 Ma |
| Kosmoceratops - Late Cretaceous, 76.4-75.9 Ma |
| Kotasaurus - 196.5-183 Ma Early Jurassic |
| Kritosaurus - Late Cretaceous, 74.5 Ma |
| Kryptops - Early Cretaceous, 110 Ma |
| Kukufeldia - Early Cretaceous, 140-136 Ma |
| Kulceratops - Early Cretaceous, Albian |
| Kulindadromeus - Middle Jurassic to Late Jurassic, 169-144 Ma |
| Kundurosaurus - Late Cretaceous, 67 Ma |
| Kunmingosaurus - Early Jurassic |
| Kuszholia - Late Cretaceous, 85 Ma |
| L (50 species) |
| Labocania - Late Cretaceous, 73 Ma |
| Lamaceratops - Late Cretaceous |
| Lambeosaurus - Late Cretaceous, 76-75 Ma |
| Lamplughsaura - Early Jurassic |
| Lanzhousaurus - Lower Cretaceous, 130 Ma |
| Laosaurus - Upper Jurassic, Upper Cretaceous |
| Lapampasaurus - Late Cretaceous, 76-70 Ma |
| Laplatasaurus - Late Cretaceous, Campanian |
| Lapparentosaurus - Middle Jurassic |
| Laquintasaura - 200.91 Ma Hettangian |
| Latirhinus - Late Cretaceous, 72.5 Ma |
| Leaellynasaura - Early Cretaceous,[1]118-110 Ma |
| Leinkupal - Early Cretaceous, 136.4 Ma |
| Leonerasaurus - Early Jurassic, 199 Ma |
| Leptoceratops - Late Cretaceous, 66.8 Ma |
| Leptorhynchos - Late Cretaceous, 75 Ma |
| Leshansaurus - Bathonian-Callovian |
| Lesothosaurus - Early Jurassic, 199-189 Ma |
| Lessemsaurus - Late Triassic, 228-204 Ma |
| Levnesovia - Late Cretaceous |
| Lexovisaurus - Middle - Late Jurassic, 164.7 Ma |
| Leyesaurus - Lower Jurassic |
| Liaoceratops - Early Cretaceous, 130 Ma |
| Liaoningosaurus - Early Cretaceous, 122 Ma |
| Ligabueino - Early Cretaceous, 125 Ma |
| Ligabuesaurus - Early Cretaceous |
| Liliensternus - Late Triassic, 228-201 Ma |
| Limaysaurus - Aptian-Albian Early Cretaceous |
| Limusaurus - Oxfordian, 161-156 Ma |
| Linhenykus - Late Cretaceous |
| Linheraptor - Late Cretaceous, Campanian |
| Linhevenator - Late Cretaceous, 75 Ma |
| Lirainosaurus - Late Cretaceous |
| Liubangosaurus - Early Cretaceous |
| Lophorhothon - Late Cretaceous, ~80 Ma |
| Lophostropheus - Late Triassic/Early Jurassic, 200 Ma |
| Loricatosaurus - Middle Jurassic |
| Loricosaurus - 71 Ma |
| Losillasaurus - Late Jurassic-Early Cretaceous |
| Lourinhanosaurus - Late Jurassic, 150 Ma |
| Lourinhasaurus - Late Jurassic 153-150 Ma |
| Luanchuanraptor - Late Cretaceous |
| Lufengosaurus - Early Jurassic 190 Ma |
| Lukousaurus - Early Jurassic 196.5 - 189.5 Ma |
| Luoyanggia - Early Cretaceous, Aptian-Albian |
| Lurdusaurus - Early Cretaceous, 121-112 Ma |
| Lusitanosaurus - Early Jurassic |
| Lusotitan - Late Jurassic, 152 Ma |
| Lycorhinus - Early Jurassic, 197 Ma |
| Lythronax - Late Cretaceous, 80 Ma |
| M (49 species) |
| Machairasaurus - Late Cretaceous |
| Macrurosaurus - Early Cretaceous |
| Magnapaulia - Late Cretaceous, 73.6-73 Ma |
| Magnirostris - Unavailable |
| Magnosaurus - Middle Jurassic |
| Magyarosaurus - Late Cretaceous, 70 Ma |
| Mahakala - Late Cretaceous, 75 Ma |
| Maiasaura - Late Cretaceous, 76.7 Ma |
| Majungasaurus - Late Cretaceous, 70 Ma |
| Malarguesaurus - Turonian-Coniacian~91-88 Ma |
| Malawisaurus - Aptian |
| Maleevus - Late Cretaceous, 90 Ma |
| Mamenchisaurus - Late Jurassic, 160-145 Ma |
| Mandschurosaurus - Late Cretaceous, 66 Ma |
| Manidens - Middle Jurassic, 171-167 Ma |
| Mantellisaurus - Early Cretaceous, 125 Ma |
| Marisaurus - Late Cretaceous, Maastrichtian |
| Marshosaurus - Late Jurassic, 155-152 Ma |
| Martharaptor - Lower Cretaceous |
| Martinavis - Late Cretaceous, 75-70 Ma |
| Masiakasaurus - Late Cretaceous, 70 Ma |
| Massospondylus - Early Jurassic, 200-183 Ma |
| Maxakalisaurus - Late Cretaceous |
| Medusaceratops - Middle Campanian, 77.5 Ma |
| Megalosaurus - Middle Jurassic, 166 Ma |
| Megaraptor - Late Cretaceous,[1] 91-88 Ma |
| Melanorosaurus - Late Triassic, 216.5-201 Ma |
| Mendozasaurus - Late Cretaceous |
| Metriacanthosaurus - Middle Jurassic, 160 Ma |
| Microceratus - Late Cretaceous, 90 Ma |
| Microcoelus - Late Cretaceous |
| Micropachycephalosaurus - Late Cretaceous, 69.5 Ma |
| Microraptor - Early Cretaceous, 120 Ma |
| Microvenator - Early Cretaceous, 110 Ma |
| Minmi - Early Cretaceous, 119-113 Ma |
| Minotaurasaurus - Late Cretaceous, 75-70 Ma |
| Miragaia - Late Jurassic, 150 Ma |
| Mochlodon - Late Cretaceous |
| Mojoceratops - Late Cretaceous, 76.5-75 Ma |
| Monkonosaurus - 150 Ma |
| Monoclonius - Late Cretaceous, 77-74.8 Ma |
| Monolophosaurus - Middle Jurassic, 165 Ma |
| Mononykus - Late Cretaceous, 70 Ma |
| Montanoceratops - 70 Ma Early Maastrichtian |
| Morelladon - Early Cretaceous, 130 Ma |
| Mussaurus - Late Triassic, 215-203 Ma |
| Muttaburrasaurus - Early Cretaceous,[1] 112-99.6 Ma |
| Muyelensaurus - Late Cretaceous |
| Mymoorapelta - Late Jurassic, 155-150 Ma |
| N (34 species) |
| Naashoibitosaurus - Late Cretaceous, 73 Ma |
| Nambalia - late Norian-earliest Rhaetian |
| Nanningosaurus - Late Cretaceous, Maastrichtian |
| Nanosaurus - Unavailable |
| Nanotyrannus - Late Cretaceous, 68.5 Ma |
| Nanshiungosaurus - Late Cretaceous, 78-72 Ma |
| Nanuqsaurus - Late Cretaceous, 69.1 Ma |
| Nanyangosaurus - Late Cretaceous, 94-72 Ma |
| Narambuenatitan - Late Cretaceous, Campanian |
| Nasutoceratops - Campanian, 75.9-75.5 Ma |
| Nebulasaurus - Middle Jurassic, 174.1-168.3 Ma |
| Nedcolbertia - Barremian |
| Nedoceratops - Late Cretaceous, 67 Ma |
| Neimongosaurus - Late Cretaceous, c 85 Ma. |
| Nemegtomaia - Late Cretaceous, 70 Ma |
| Nemegtosaurus - Late Cretaceous, 70 Ma |
| Neosodon - Upper Jurassic |
| Neovenator - Early Cretaceous, 125 Ma |
| Neuquenraptor - Late Cretaceous, 90 Ma |
| Neuquensaurus - Late Cretaceous, 80 Ma |
| Ningyuansaurus - Early Cretaceous, 124.6 Ma |
| Niobrarasaurus - 87-82 Ma |
| Nipponosaurus - Late Cretaceous |
| Noasaurus - Late Cretaceous, 70 Ma |
| Nodocephalosaurus - Late Cretaceous, Campanian |
| Nodosaurus - Late Cretaceous, 100.5-97 Ma |
| Nomingia - Late Cretaceous, 70 Ma |
| Nopcsaspondylus - Late Cretaceous |
| Nothronychus - Late Cretaceous, 92-91 Ma |
| Notoceratops - Late Cretaceous |
| Notocolossus - Late Cretaceous, 86 Ma |
| Notohypsilophodon - Late Cretaceous |
| Nqwebasaurus - Early Cretaceous, 140 Ma |
| Nuthetes - Early Cretaceous, 143 Ma |
| O (23 species) |
| Ohmdenosaurus - Early Jurassic |
| Ojoceratops - Late Cretaceous, 68 Ma |
| Ojoraptorsaurus - Late Cretaceous, 69 Ma |
| Olorotitan - Late Cretaceous, 72 Ma |
| Omeisaurus - Middle Jurassic, Bathonian-Callovian |
| Oohkotokia - Late Cretaceous, 74 Ma |
| Opisthocoelicaudia - Late Cretaceous, 70 Ma |
| Orkoraptor - Cenomanian-Santonian[1] |
| Ornithodesmus - Early Cretaceous, 125 Ma |
| Ornitholestes - Late Jurassic, 154 Ma |
| Ornithomimus - Late Cretaceous, 76.5.5 Ma [1] |
| Ornithopsis - Early Cretaceous |
| Orodromeus - Late Cretaceous, 76.7 Ma |
| Orthogoniosaurus - Late Cretaceous, 66 Ma |
| Oryctodromeus - Late Cretaceous, Cenomanian |
| Osmakasaurus - Early Cretaceous, 137 Ma |
| Ostafrikasaurus - Late Jurassic, 148-145.5 Ma |
| Othnielia - Late Jurassic, 150 Ma |
| Othnielosaurus - Late Jurassic, 155-148 Ma |
| Ouranosaurus - Early Cretaceous, 125-112 Ma |
| Oviraptor - Late Cretaceous, 75 Ma |
| Oxalaia - Early-Late Cretaceous, 98 Ma |
| Ozraptor - Middle Jurassic, 170 Ma |
| P (64 species) |
| Pachycephalosaurus - Late Cretaceous, 70 Ma |
| Pachyrhinosaurus - 73.5-69 Ma |
| Pakisaurus - Maastrichtian of the Cretaceous |
| Palaeoscincus - Upper Cretaceous |
| Paludititan - Late Cretaceous, Maastrichtian |
| Panamericansaurus - Late Cretaceous |
| Panguraptor - Early Jurassic, 201-196 Ma |
| Panoplosaurus - Late Cretaceous, 76 Ma |
| Panphagia - Late Triassic 231 Ma |
| Pantydraco - Late Triassic |
| Parahongshanornis - Early Cretaceous, 120 Ma |
| Paralititan - Late Cretaceous, 99.6-93.5 Ma |
| Paranthodon - Early Cretaceous, 145.5-136.4 Ma |
| Pararhabdodon - Late Cretaceous, 67.5 Ma |
| Parasaurolophus - Late Cretaceous, 76.5-74.5 Ma |
| Parksosaurus - Late Cretaceous, 70 Ma |
| Parvicursor - Late Cretaceous, 72 Ma |
| Patagonykus - Late Cretaceous |
| Patagosaurus - Middle Jurassic, 165-161 Ma |
| Pawpawsaurus - Early Cretaceous, 100 Ma |
| Pedopenna - Middle or Late Jurassic, 164 Ma |
| Pegomastax - Early Jurassic, 200-190 Ma |
| Pelecanimimus - Early Cretaceous, 130 Ma |
| Pellegrinisaurus - Late Cretaceous~83-73 Ma |
| Peloroplites - Early Cretaceous-Late Cretaceous, 104.46-98.37 Ma |
| Pelorosaurus - Early Cretaceous, 132 Ma |
| Penelopognathus - Early Cretaceous |
| Pengornis - Early Cretaceous, 120 Ma |
| Pentaceratops - Late Cretaceous, 75.79-73 Ma |
| Phaedrolosaurus - Early Cretaceous |
| Philovenator - Late Cretaceous, 75 Ma |
| Phuwiangosaurus - Early Cretaceous, 140-130 Ma |
| Phyllodon - Late Jurassic |
| Piatnitzkysaurus - Middle Jurassic, 166-164 Ma |
| Pinacosaurus - Late Cretaceous, 80-75 Ma |
| Pisanosaurus - Late Triassic, 228-216.5 Ma |
| Pitekunsaurus - Late Cretaceous, Campanian |
| Piveteausaurus - Middle Jurassic, 164 Ma |
| Planicoxa - Early Cretaceous, 140-125 Ma |
| Plateosaurus - Late Triassic, 214-204 Ma |
| Platyceratops - Unavailable |
| Plesiohadros - Late Cretaceous, 80-75 Ma |
| Pneumatoraptor - Late Cretaceous, 85 Ma |
| Podokesaurus - Early Jurassic, 183 Ma |
| Poekilopleuron - Middle Jurassic, 167.7-166.1 Ma |
| Polacanthus - Early Cretaceous, 130-125 Ma |
| Pradhania - Early Jurassic, Sinemurian |
| Prenocephale - Late Cretaceous, 80-75 Ma |
| Prenoceratops - Late Cretaceous 74.3 Ma |
| Probactrosaurus - Late Cretaceous, 96-88 Ma |
| Probrachylophosaurus - Late Cretaceous, 79 Ma |
| Proceratosaurus - Middle Jurassic, 165 Ma |
| Procompsognathus - Late Triassic, 210 Ma |
| Prosaurolophus - Late Cretaceous, 75.5-74.0 Ma |
| Protoceratops - Late Cretaceous, 75-71 Ma |
| Protognathosaurus - Middle Jurassic |
| Protohadros - Late Cretaceous, 95 Ma |
| Protopteryx - Early Cretaceous, 131 Ma |
| Psittacosaurus - Early Cretaceous, 126-101 Ma |
| Puertasaurus - Late Cretaceous(see text) |
| Pukyongosaurus - Early Cretaceous |
| Pulanesaura - Early Jurassic, Hettangian-Sinemurian |
| Pycnonemosaurus - Late Cretaceous, 70 Ma |
| Pyroraptor - Late Cretaceous 70.6 Ma |
| Q (7 species) |
| Qantassaurus - Early Cretaceous |
| Qijianglong - Late Jurassic |
| Qingxiusaurus - Late Cretaceous |
| Qiupalong - Late Cretaceous, 76.5 Ma |
| Quaesitosaurus - Late Cretaceous, 85-70 Ma |
| Quetecsaurus - Late Cretaceous, Turonian |
| Quilmesaurus - Late Cretaceous, Campanian-Maastrichtian |
| R (25 species) |
| Rahiolisaurus - Late Cretaceous, 72.1 Ma |
| Rahonavis - Late Cretaceous, 70 Ma |
| Rajasaurus - Late Cretaceous, 69 Ma |
| Rapator - Early Cretaceous, 105 Ma |
| Rapaxavis - Early Cretaceous, 120 Ma |
| Rapetosaurus - Late Cretaceous, 70 Ma |
| Raptorex - Late Cretaceous, 70 Ma |
| Ratchasimasaurus - Early Cretaceous, Aptian |
| Rayososaurus - Early Cretaceous |
| Rebbachisaurus - Early-Late Cretaceous |
| Regaliceratops - Late Cretaceous, 68.5-67.5 Ma |
| Regnosaurus - Early Cretaceous |
| Rhabdodon - Late Cretaceous, 70 Ma |
| Rhoetosaurus - Middle Jurassic, 171-167 Ma |
| Richardoestesia - Late Cretaceous, 76.5 Ma |
| Rinchenia - Late Cretaceous, 70 Ma |
| Rinconsaurus - Late Cretaceous |
| Riojasaurus - Late Triassic, 227-213 Ma |
| Rocasaurus - Late Cretaceous |
| Rubeosaurus - Late Cretaceous, 74.6 Ma |
| Ruehleia - Late Triassic, 216-203 Ma |
| Rugocaudia - Early Cretaceous, Aptian-Albian |
| Rugops - Late Cretaceous, 95 Ma |
| Rukwatitan - 100 Ma Cretaceous |
| Ruyangosaurus - Early Cretaceous, Aptian-Albian |
| S (82 species) |
| Sahaliyania - Late Cretaceous, 68 Ma |
| Saichania - Late Cretaceous, 75-70 Ma |
| Saltasaurus - Late Cretaceous, 70 Ma |
| Sanjuansaurus - Late Triassic, 231.4 Ma |
| Santanaraptor - Aptian-Albian, 112 Ma |
| Sarahsaurus - Early Jurassic |
| Sarcolestes - Late Jurassic, 165 Ma |
| Sarcosaurus - Early Jurassic, 194 Ma |
| Saturnalia - Late Triassic, 228 Ma |
| Saurolophus - Maastrichtian, 70-68.5 Ma |
| Sauroniops - Late Cretaceous, 100 Ma |
| Sauropelta - Early Cretaceous, 108.5 Ma |
| Saurophaganax - Late Jurassic, 150 Ma |
| Sauroposeidon - Early Cretaceous, 112 Ma |
| Saurornithoides - Late Cretaceous, 75 Ma |
| Saurornitholestes - Late Cretaceous, 77-69 Ma |
| Scansoriopteryx - Callovian to Kimmeridgian, 165-156 Ma |
| Scelidosaurus - Early Jurassic, 196.5-183 Ma |
| Scipionyx - Early Cretaceous, 113 Ma |
| Sciurumimus - Late Jurassic, 150 Ma |
| Scolosaurus - Late Cretaceous, 76.5 Ma |
| Scutellosaurus - Early Jurassic, 196 Ma |
| Secernosaurus - Late Cretaceous, Maastrichtian |
| Sefapanosaurus - Early Jurassic, 200 Ma |
| Segisaurus - Early Jurassic, 183 Ma |
| Segnosaurus - Late Cretaceous, 90 Ma |
| Seitaad - Early Jurassic, Pliensbachian |
| Sellacoxa - Early Cretaceous, 140 Ma |
| Serendipaceratops - Early Cretaceous |
| Shamosaurus - Early Cretaceous, Aptian-Albian |
| Shanag - Early Cretaceous, 130 Ma |
| Shantungosaurus - Late Cretaceous, Middle to Late Campanian |
| Shanweiniao - Early Cretaceous, 122 Ma |
| Shanxia - Late Cretaceous |
| Shanyangosaurus - Late Cretaceous |
| Shaochilong - Late Cretaceous, 92 Ma |
| Shenzhousaurus - Early Cretaceous, 125 Ma |
| Shidaisaurus - Middle Jurassic |
| Shixinggia - Late Cretaceous, 70 Ma |
| Shunosaurus - Middle Jurassic, 170 Ma |
| Shuvuuia - Late Cretaceous, 75 Ma |
| Siamodon - Early Cretaceous, Aptian |
| Siamosaurus - Early Cretaceous, 130 Ma |
| Siamotyrannus - Early Cretaceous, 145-125 Ma |
| Siats - Late Cretaceous, 98.5 Ma |
| Sigilmassasaurus - Upper Cretaceous, 100-94 Ma |
| Silvisaurus - Late Cretaceous, 96-93.5 Ma |
| Sinocalliopteryx - Early Cretaceous, 124.6 Ma |
| Sinoceratops - Late Cretaceous, 72 Ma |
| Sinocoelurus - Upper Jurassic |
| Sinornithoides - Early Cretaceous, 113 Ma |
| Sinornithomimus - Late Cretaceous, 92 Ma |
| Sinornithosaurus - Early Cretaceous, 124.6-122 Ma |
| Sinosauropteryx - Early Cretaceous, 124.6-122 Ma |
| Sinosaurus - Early Jurassic, 201-196 Ma |
| Sinotyrannus - Early Cretaceous, 120 Ma |
| Sinovenator - Early Cretaceous, 125 Ma |
| Sinraptor - Late Jurassic, 160 Ma |
| Skorpiovenator - Late Cretaceous, 95 Ma |
| Sonidosaurus - Late Cretaceous |
| Sonorasaurus - Unavailable |
| Sphaerotholus - Late Cretaceous, 73 Ma |
| Spinophorosaurus - Middle Jurassic, 167 Ma |
| Spinops - Late Cretaceous, 76.5 Ma |
| Spinosaurus - Early-Late Cretaceous, 112-93.5 Ma |
| Spinostropheus - Middle Jurassic |
| Staurikosaurus - Late Triassic, 225 Ma |
| Stegoceras - Late Cretaceous, 77.5-74 Ma |
| Stegosaurus - Late Jurassic, 155-150 Ma |
| Stenopelix - Early Cretaceous, 127 Ma |
| Stokesosaurus - Late Jurassic, 150 Ma |
| Stormbergia - Early Jurassic, 199-189 Ma |
| Streptospondylus - Middle Jurassic, 161 Ma |
| Struthiomimus - Late Cretaceous, 77 Ma |
| Struthiosaurus - Late Cretaceous, 85 Ma |
| Stygimoloch - Late Maastrichtian, 66 Ma |
| Styracosaurus - Late Cretaceous, 75.5-75 Ma |
| Suchomimus - Early Cretaceous, 125-112 Ma |
| Sulaimanisaurus - Late Cretaceous, Maastrichtian |
| Supersaurus - Late Jurassic, 153 Ma |
| Suuwassea - Late Jurassic |
| Szechuanosaurus - Late Jurassic, 160 Ma |
| T (60 species) |
| Tachiraptor - Early Jurassic |
| Talarurus - Late Cretaceous, 90 Ma |
| Talenkauen - Late Cretaceous, 96.2 Ma |
| Talos - Campanian, 75.95 Ma |
| Tambatitanis - Early Cretaceous |
| Tangvayosaurus - Early Cretaceous |
| Tanius - Late Cretaceous, Campanian |
| Tanycolagreus - Late Jurassic, 153-150 Ma |
| Tapuiasaurus - Early Cretaceous, 120 Ma |
| Tarascosaurus - Late Cretaceous, approximately 80 Ma |
| Tarbosaurus - Late Cretaceous, 70 Ma |
| Tarchia - Late Cretaceous, 75-70 Ma |
| Tastavinsaurus - Early Cretaceous |
| Tatankacephalus - Early Cretaceous, 108.5 Ma |
| Tatankaceratops - Late Maastrichtian, 66 Ma |
| Tataouinea - Albian |
| Tatisaurus - Early Jurassic, Sinemurian |
| Taveirosaurus - Late Cretaceous |
| Tawa - Late Triassic, 215 Ma |
| Tazoudasaurus - Early Jurassic, Toarcian [1] |
| Tehuelchesaurus - Late Jurassic |
| Telmatosaurus - Late Cretaceous, 70 Ma |
| Tendaguria - Late Jurassic, 155 Ma |
| Tenontosaurus - Early Cretaceous, 115-108 Ma |
| Teratophoneus - Late Cretaceous, 77-76 Ma |
| Tethyshadros - Late Cretaceous |
| Texacephale - Late Campanian, 77 Ma |
| Texasetes - Early Cretaceous, 100 Ma |
| Thecodontosaurus - Late Triassic-Early Jurassic,[1] 203.6-199.6 Ma |
| Theiophytalia - Early Cretaceous, 112 Ma |
| Therizinosaurus - Late Cretaceous, 70-66 Ma |
| Thescelosaurus - Late Cretaceous, 66 Ma |
| Tianchisaurus - Jurassic |
| Tianyuraptor - Early Cretaceous, 122 Ma |
| Tianzhenosaurus - Late Cretaceous |
| Tienshanosaurus - Late Jurassic |
| Timurlengia - Late Cretaceous, 90 Ma |
| Titanoceratops - Late Cretaceous, 74.73-73.55 Ma |
| Titanosaurus - Late Cretaceous, 70 Ma |
| Tochisaurus - Late Cretaceous, 69 Ma |
| Tonganosaurus - Early Jurassic |
| Tornieria - Late Jurassic, 150 Ma |
| Torosaurus - Late Cretaceous, 68 Ma |
| Torvosaurus - Late Jurassic, 153-148 Ma |
| Tototlmimus - 72 Ma Campanian |
| Traukutitan - Upper Cretaceous, Santonian |
| Triceratops - Late Cretaceous, 68 Ma |
| Trigonosaurus - Late Cretaceous |
| Trimucrodon - Late Jurassic |
| Trinisaura - Late Cretaceous, 80 Ma |
| Troodon - Late Cretaceous, 77.5-76.5 Ma |
| Tsaagan - Late Cretaceous, 75 Ma |
| Tsagantegia - Late Cretaceous, 90 Ma |
| Tsintaosaurus - Late Cretaceous, 70 Ma |
| Tugulusaurus - Early Cretaceous, Barremian - Albian |
| Tuojiangosaurus - Late Jurassic, 160 Ma |
| Turanoceratops - Late Cretaceous, 90 Ma |
| Turiasaurus - Late Jurassic, 145 Ma |
| Tylocephale - Late Campanian, 80-70 Ma |
| Tyrannosaurus - Late Cretaceous, 68 Ma |
| U (12 species) |
| Uberabatitan - Late Cretaceous, 67 Ma |
| Udanoceratops - Late Cretaceous, Campanian |
| Ugrunaaluk - Late Cretaceous, 69.2 Ma |
| Ultrasaurus - Early Cretaceous, 110-100 Ma |
| Unaysaurus - Late Triassic, 225 Ma |
| Unenlagia - Late Cretaceous, 89 Ma |
| Unescoceratops - Late Cretaceous, 76.5-75 Ma |
| Unquillosaurus - Late Cretaceous, 75 Ma |
| Urbacodon - Late Cretaceous |
| Utahceratops - Late Cretaceous, 76.4-75.5 Ma |
| Utahraptor - Early Cretaceous, 126 Ma |
| Uteodon - Upper Jurassic |
| V (12 species) |
| Vagaceratops - Late Cretaceous, 75 Ma |
| Vahiny - Maastrichtian, 70 Ma |
| Valdoraptor - Early Cretaceous, 136 Ma |
| Valdosaurus - Early Cretaceous |
| Velafrons - Late Cretaceous, 72 Ma |
| Velociraptor - Late Cretaceous, 75-71 Ma |
| Velocisaurus - Late Cretaceous, 85 Ma |
| Venenosaurus - Early Cretaceous, 112 Ma |
| Veterupristisaurus - Late Jurassic, 154-150 Ma |
| Viavenator - Late Cretaceous, Santonian |
| Volkheimeria - Middle Jurassic, 160 Ma |
| Vulcanodon - Early Jurassic, Toarcian 183-175 Ma |
| W (10 species) |
| Wakinosaurus - Early Cretaceous, Hauterivian-Barremian |
| Walgettosuchus - Early Cretaceous |
| Wannanosaurus - Campanian, 80 Ma |
| Wendiceratops - Late Cretaceous, 79-78.7 Ma |
| Willinakaqe - Upper Cretaceous, Campanian-Maastrichtian |
| Wintonotitan - 100 Ma Early Cretaceous |
| Wuerhosaurus - Early Cretaceous, uncertain |
| Wulagasaurus - Late Cretaceous, 69 Ma |
| Wulatelong - Late Cretaceous, Campanian |
| Wyleyia - Early Cretaceous, 138 Ma |
| X (14 species) |
| Xenoceratops - Late Cretaceous, 79.5 Ma |
| Xenoposeidon - Early Cretaceous,140 Ma |
| Xenotarsosaurus - Late Cretaceous, 95 Ma |
| Xianshanosaurus - Early Cretaceous, Aptian-Albian |
| Xiaosaurus - Middle Jurassic |
| Xiaotingia - Late Jurassic, 160 Ma |
| Xinjiangovenator - Early Cretaceous |
| Xiongguanlong - Early Cretaceous, 112 Ma |
| Xixianykus - Late Cretaceous, 83 Ma |
| Xixiasaurus - Late Cretaceous, 86 Ma |
| Xixiposaurus - Early Jurassic |
| Xuanhanosaurus - Middle Jurassic |
| Xuanhuaceratops - Late Jurassic, 167.7-161.2 Ma |
| Xuwulong - Early Cretaceous, Aptian-Albian |
| Y (16 species) |
| Yamaceratops - Late Cretaceous |
| Yandusaurus - Middle Jurassic, Bathonian |
| Yangchuanosaurus - Middle Jurassic, 168.3-163.5 Ma |
| Yaverlandia - Lower Cretaceous |
| Yi - MIddle or Late Jurassic, 160 Ma |
| Yimenosaurus - Early Jurassic, 190 Ma |
| Yinlong - Late Jurassic, 158 Ma |
| Yixianosaurus - Early Cretaceous, 122 Ma |
| Yongjinglong - Early Cretaceous |
| Yuanmousaurus - Middle Jurassic |
| Yueosaurus - Cretaceous, Aptian-Cenomanian |
| Yulong - Late Cretaceous, Late Cretaceous |
| Yunmenglong - Early Cretaceous, 125-100.5 Ma |
| Yunnanosaurus - Early Jurassic , 201-168 Ma |
| Yurgovuchia - Early Cretaceous, 130-125 Ma |
| Yutyrannus - Early Cretaceous, 124.6 Ma |
| Z (17 species) |
| Zalmoxes - 70 Ma |
| Zanabazar - Late Cretaceous, 70 Ma |
| Zapalasaurus - Early Cretaceous |
| Zapsalis - Late Cretaceous, 75 Ma |
| Zaraapelta - Late Cretaceous, 75-71 Ma |
| Zby - Late Jurassic |
| Zhanghenglong - Late Cretaceous, 85 Ma |
| Zhejiangosaurus - Late Cretaceous, 100.5-93.9 Ma |
| Zhongyuansaurus - Lower Cretaceous |
| Zhuchengceratops - Upper Cretaceous, 70 Ma |
| Zhuchengtyrannus - Late Cretaceous, 73.5 Ma |
| Ziapelta - Campanian, 74.5-72.6 Ma |
| Zizhongosaurus - Early Jurassic |
| Zuniceratops - Late Cretaceous, 91 Ma |
| Zuolong - Late Jurassic, 161.2-155.2 Ma |
| Zuoyunlong - Late Cretaceous, Cenomanian |
| Zupaysaurus - 200-197 Ma Late Triassic to Early Jurassic |