herbivore

Ornithopoda

Duck-billed & beaked herbivores

164–66 MYA

Meet the giants

250 genera, ordered oldest to newest — the evolutionary line, not the alphabet.

Genus	Period	Max weight	Height	Diet	Region
DaurosaurusHypsilophodontidae	168.2–165.3 MYA	Unknown	Unknown	unknown	Asia
Callovosaurus	165.3–161.5 MYA	Unknown	Unknown	unknown	Unknown
Symphyrophus	157.9–143.1 MYA	Unknown	Unknown	unknown	Unknown
Camptonotus	157.9–143.1 MYA	Unknown	Unknown	unknown	Unknown
Brachyrophus	157.9–143.1 MYA	Unknown	Unknown	unknown	Unknown
Uteodon	157.9–143.1 MYA	Unknown	Unknown	unknown	Unknown
Camptosaurus	157.9–143.1 MYA	Unknown	Unknown	unknown	North America
DryosaurusDryosauridae	154.8–143.1 MYA	Unknown	Unknown	unknown	North America
ValdosaurusDryosauridae	154.8–119.6 MYA	Unknown	Unknown	unknown	Unknown
HypsilophodonHypsilophodontidae	154.8–119.6 MYA	Unknown	Unknown	unknown	Unknown
Iguanosaurus	154.8–66 MYA	Unknown	Unknown	unknown	Unknown
Laosaurus	154.8–143.1 MYA	Unknown	Unknown	unknown	Unknown
Therosaurus	154.8–66 MYA	Unknown	Unknown	unknown	Unknown
Heterosaurus	154.8–66 MYA	Unknown	Unknown	unknown	Unknown
Struthopus	154.8–66 MYA	Unknown	Unknown	unknown	Unknown
Osmakasaurus	154.8–121.4 MYA	Unknown	Unknown	unknown	North America
Phyllodon	154.8–149.2 MYA	Unknown	Unknown	unknown	Unknown
Othnielia	154.8–143.1 MYA	Unknown	Unknown	unknown	Unknown
DysalotosaurusDryosauridae	152.2–149.2 MYA	Unknown	Unknown	unknown	Africa
EousdryosaurusDryosauridae	152.2–145.1 MYA	Unknown	Unknown	unknown	Europe
Oblitosaurus	152.2–143.1 MYA	Unknown	Unknown	unknown	Europe
Cumnoria	152.2–149.2 MYA	Unknown	Unknown	unknown	Unknown
Hesperonyx	152.2–149.2 MYA	Unknown	Unknown	unknown	Europe
Draconyx	149.2–145.1 MYA	Unknown	Unknown	unknown	Europe
Owenodon	149.2–137.1 MYA	Unknown	Unknown	unknown	Europe
VectidromeusHypsilophodontidae	143.1–100.5 MYA	Unknown	Unknown	unknown	Unknown
Dollodon	143.1–119.6 MYA	Unknown	Unknown	unknown	Unknown
Bihariosaurus	143.1–137.1 MYA	Unknown	Unknown	unknown	Unknown
Mantellisaurus	143.1–119.6 MYA	Unknown	Unknown	unknown	Unknown
Mantellodon	143.1–119.6 MYA	Unknown	Unknown	unknown	Unknown
Darwinsaurus	139.1–132.6 MYA	Unknown	Unknown	unknown	Unknown
Wadhurstia	139.1–132.6 MYA	Unknown	Unknown	unknown	Unknown
Iguanacolossus	139.1–132.6 MYA	Unknown	Unknown	unknown	North America
Hypselospinus	139.1–132.6 MYA	Unknown	Unknown	unknown	Unknown
BariliumIguanodontidae	137.1–121.4 MYA	Unknown	Unknown	unknown	Unknown
TorilionIguanodontidae	137.1–121.4 MYA	Unknown	Unknown	unknown	Unknown
SellacoxaIguanodontidae	137.1–121.4 MYA	Unknown	Unknown	unknown	Unknown
KukufeldiaIguanodontidae	137.1–121.4 MYA	Unknown	Unknown	unknown	Unknown
Emiliasaura	137.1–132.6 MYA	Unknown	Unknown	unknown	South America
Iyuku	137.1–132.6 MYA	Unknown	Unknown	unknown	Africa
Tietasaura	137.1–125.8 MYA	Unknown	Unknown	unknown	South America
Dakotadon	137.1–132.6 MYA	Unknown	Unknown	unknown	North America
Hippodraco	137.1–132.6 MYA	Unknown	Unknown	unknown	North America
Cedrorestes	137.1–132.6 MYA	Unknown	Unknown	unknown	North America
Istiorachis	132.6–121.4 MYA	Unknown	Unknown	unknown	Unknown
Proplanicoxa	132.6–121.4 MYA	Unknown	Unknown	unknown	Unknown
Magnamanus	132.6–121.4 MYA	Unknown	Unknown	unknown	Europe
Vectisaurus	132.6–121.4 MYA	Unknown	Unknown	unknown	Unknown
Iguanodon	126–122 MYA	Unknown	Unknown	herbivore	Unknown
BolongIguanodontidae	125.8–119.6 MYA	Unknown	Unknown	unknown	Asia
GideonmantelliaHypsilophodontidae	125.8–121.4 MYA	Unknown	Unknown	unknown	Europe
Morelladon	125.8–121.4 MYA	Unknown	Unknown	unknown	Europe
Foskeia	125.8–119.6 MYA	Unknown	Unknown	unknown	Europe
Comptonatus	125.8–121.4 MYA	Unknown	Unknown	unknown	Unknown
Lanzhousaurus	125.8–113.2 MYA	Unknown	Unknown	unknown	Asia
Qantassaurus	125.8–121.4 MYA	Unknown	Unknown	unknown	Oceania
Haolong	125.8–121.4 MYA	Unknown	Unknown	unknown	Asia
Galleonosaurus	125.8–110.1 MYA	Unknown	Unknown	unknown	Oceania
Atlascopcosaurus	125.8–110.1 MYA	Unknown	Unknown	unknown	Oceania
Brighstoneus	125.8–121.4 MYA	Unknown	Unknown	unknown	Unknown
Portellsaurus	125.8–121.4 MYA	Unknown	Unknown	unknown	Europe
Cariocecus	125.8–121.4 MYA	Unknown	Unknown	unknown	Europe
Delapparentia	125.8–121.4 MYA	Unknown	Unknown	unknown	Europe
TenontosaurusTenontosauridae	121.4–93.9 MYA	Unknown	Unknown	unknown	North America
ElrhazosaurusDryosauridae	121.4–113.2 MYA	Unknown	Unknown	unknown	Africa
MandschurosaurusHadrosauridae	121.4–66 MYA	Unknown	Unknown	unknown	Asia
Penelopognathus	121.4–113.2 MYA	Unknown	Unknown	unknown	Asia
Xuwulong	121.4–113.2 MYA	Unknown	Unknown	unknown	Asia
Napaisaurus	121.4–113.2 MYA	Unknown	Unknown	unknown	Asia
Jintasaurus	121.4–113.2 MYA	Unknown	Unknown	unknown	Asia
Theiophytalia	121.4–100.5 MYA	Unknown	Unknown	unknown	North America
Ouranosaurus	121.4–66 MYA	Unknown	Unknown	unknown	Africa
Koshisaurus	121.4–113.2 MYA	Unknown	Unknown	unknown	Asia
Planicoxa	121.4–113.2 MYA	Unknown	Unknown	unknown	North America
Fukuisaurus	121.4–113.2 MYA	Unknown	Unknown	unknown	Asia
Bayannurosaurus	121.4–119.6 MYA	Unknown	Unknown	unknown	Asia
Eolambia	121.4–93.9 MYA	Unknown	Unknown	unknown	North America
Probactrosaurus	121.4–100.5 MYA	Unknown	Unknown	unknown	Asia
Ratchasimasaurus	121.4–113.2 MYA	Unknown	Unknown	unknown	Asia
Siamodon	121.4–113.2 MYA	Unknown	Unknown	unknown	Asia
Sirindhorna	121.4–113.2 MYA	Unknown	Unknown	unknown	Asia
ConvolosaurusTenontosauridae	119.6–113.2 MYA	Unknown	Unknown	unknown	North America
TrachodonHadrosauridae	113.2–66 MYA	Unknown	Unknown	unknown	Unknown
Gravisaurus	113.2–100.5 MYA	Unknown	Unknown	unknown	Unknown
Lurdusaurus	113.2–100.5 MYA	Unknown	Unknown	unknown	Africa
Diluvicursor	113.2–110.1 MYA	Unknown	Unknown	unknown	Oceania
Equijubus	113.2–110.1 MYA	Unknown	Unknown	unknown	Asia
Leaellynasaura	113.2–110.1 MYA	Unknown	Unknown	unknown	Oceania
Siluosaurus	113.2–110.1 MYA	Unknown	Unknown	unknown	Unknown
Gongpoquansaurus	113.2–110.1 MYA	Unknown	Unknown	unknown	Asia
Proa	113.2–110.1 MYA	Unknown	Unknown	unknown	Europe
Altirhinus	110.1–100.5 MYA	Unknown	Unknown	unknown	Asia
Choyrodon	110.1–100.5 MYA	Unknown	Unknown	unknown	Asia
Shuangmiaosaurus	106.3–100.5 MYA	Unknown	Unknown	unknown	Asia
Muttaburrasaurus	106.3–93.9 MYA	Unknown	Unknown	unknown	Oceania
IaniTenontosauridae	100.5–93.9 MYA	Unknown	Unknown	unknown	North America
ZhuchengosaurusHadrosauridae	100.5–66 MYA	Unknown	Unknown	unknown	Unknown
ShantungosaurusHadrosauridae	100.5–66 MYA	Unknown	Unknown	unknown	Asia
HuaxiaosaurusHadrosauridae	100.5–66 MYA	Unknown	Unknown	unknown	Unknown
Qianjiangsaurus	100.5–66 MYA	Unknown	Unknown	unknown	Asia
Fulgurotherium	100.5–93.9 MYA	Unknown	Unknown	unknown	Oceania
Fostoria	100.5–93.9 MYA	Unknown	Unknown	unknown	Oceania
Protohadros	100.5–93.9 MYA	Unknown	Unknown	unknown	North America
Burianosaurus	100.5–93.9 MYA	Unknown	Unknown	unknown	Europe
Gobihadros	100.5–83.6 MYA	Unknown	Unknown	unknown	Asia
Weewarrasaurus	100.5–93.9 MYA	Unknown	Unknown	unknown	Oceania
Chakisaurus	100.5–89.8 MYA	Unknown	Unknown	unknown	South America
Yunganglong	100.5–83.6 MYA	Unknown	Unknown	unknown	Asia
Datonglong	100.5–72.2 MYA	Unknown	Unknown	unknown	Asia
Nanningosaurus	100.5–66 MYA	Unknown	Unknown	unknown	Asia
Zuoyunlong	100.5–83.6 MYA	Unknown	Unknown	unknown	Asia
Kangnasaurus	100.5–66 MYA	Unknown	Unknown	unknown	Africa
Ampelognathus	100.5–93.9 MYA	Unknown	Unknown	unknown	North America
Loncosaurus	100.5–85.7 MYA	Unknown	Unknown	unknown	Unknown
Notohypsilophodon	100.5–89.8 MYA	Unknown	Unknown	unknown	South America
CionodonHadrosauridae	93.9–66 MYA	Unknown	Unknown	unknown	Unknown
ArstanosaurusHadrosauridae	93.9–83.6 MYA	Unknown	Unknown	unknown	Unknown
Bactrosaurus	93.9–72.2 MYA	Unknown	Unknown	unknown	Asia
Levnesovia	93.9–89.8 MYA	Unknown	Unknown	unknown	Asia
Jeyawati	93.9–89.8 MYA	Unknown	Unknown	unknown	North America
Anabisetia	93.9–89.8 MYA	Unknown	Unknown	unknown	South America
Nanyangosaurus	93.9–72.2 MYA	Unknown	Unknown	unknown	Asia
AnatosaurusHadrosauridae	89.8–66 MYA	Unknown	Unknown	unknown	Unknown
JaxartosaurusHadrosauridae	89.8–83.6 MYA	Unknown	Unknown	unknown	Asia
AnatotitanHadrosauridae	89.8–66 MYA	Unknown	Unknown	unknown	Unknown
KazaklambiaHadrosauridae	89.8–83.6 MYA	Unknown	Unknown	unknown	Asia
Claosaurus	89.8–72.2 MYA	Unknown	Unknown	unknown	North America
Craspedodon	89.8–83.6 MYA	Unknown	Unknown	unknown	Europe
Macrogryphosaurus	89.8–85.7 MYA	Unknown	Unknown	unknown	South America
Tanius	89.8–72.2 MYA	Unknown	Unknown	unknown	Asia
NipponosaurusHadrosauridae	85.7–72.2 MYA	Unknown	Unknown	unknown	Asia
AralosaurusHadrosauridae	85.7–72.2 MYA	Unknown	Unknown	unknown	Asia
EotrachodonHadrosauridae	85.7–83.6 MYA	Unknown	Unknown	unknown	North America
KritosaurusHadrosauridae	85.7–66 MYA	Unknown	Unknown	unknown	North America
HadrosaurusHadrosauridae	85.7–66 MYA	Unknown	Unknown	unknown	North America
Lophorhothon	85.7–72.2 MYA	Unknown	Unknown	unknown	North America
Mochlodon	85.7–66 MYA	Unknown	Unknown	unknown	Europe
Batyrosaurus	85.7–72.2 MYA	Unknown	Unknown	unknown	Asia
Huehuecanauhtlus	85.7–83.6 MYA	Unknown	Unknown	unknown	North America
Mahuidacursor	85.7–83.6 MYA	Unknown	Unknown	unknown	South America
Zhanghenglong	85.7–83.6 MYA	Unknown	Unknown	unknown	Asia
Plesiohadros	85.7–72.2 MYA	Unknown	Unknown	unknown	Asia
StephanosaurusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	Unknown
TsintaosaurusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	Asia
LimnosaurusTelmatosauridae	83.6–66 MYA	Unknown	Unknown	unknown	Unknown
OligosaurusRhabdodontidae	83.6–66 MYA	Unknown	Unknown	unknown	Unknown
OrnithomerusRhabdodontidae	83.6–66 MYA	Unknown	Unknown	unknown	Unknown
AcristavusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
AdelolophusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
AhshislesaurusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
AnasazisaurusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
AngulomastacatorHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
RhabdodonRhabdodontidae	83.6–66 MYA	Unknown	Unknown	unknown	Europe
TelmatosaurusTelmatosauridae	83.6–66 MYA	Unknown	Unknown	unknown	Europe
TethyshadrosTelmatosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	Europe
AquilarhinusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
BrachylophosaurusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
CoahuilasaurusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
CorythosaurusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
GryposaurusHadrosauridae	83.6–66 MYA	Unknown	Unknown	unknown	North America
HypacrosaurusHadrosauridae	83.6–66 MYA	Unknown	Unknown	unknown	North America
LambeosaurusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
LatirhinusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
MagnapauliaHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
MaleficaHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
NaashoibitosaurusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
OrnatopsHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
ProbrachylophosaurusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
ProsaurolophusHadrosauridae	83.6–66 MYA	Unknown	Unknown	unknown	North America
RhinorexHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
TlatolophusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
VelafronsHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	North America
LaiyangosaurusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	Asia
HuallasaurusHadrosauridae	83.6–66 MYA	Unknown	Unknown	unknown	South America
CheneosaurusHadrosauridae	83.6–66 MYA	Unknown	Unknown	unknown	Unknown
DicloniusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	Unknown
DidanodonHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	Unknown
GlishadesHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	Unknown
HecatasaurusTelmatosauridae	83.6–66 MYA	Unknown	Unknown	unknown	Unknown
HypsibemaHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	Unknown
ProcheneosaurusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	Unknown
PteropelyxHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	Unknown
TetragonosaurusHadrosauridae	83.6–72.2 MYA	Unknown	Unknown	unknown	Unknown
SaurolophusHadrosauridae	83.6–66 MYA	Unknown	Unknown	unknown	Asia
Trinisaura	83.6–72.2 MYA	Unknown	Unknown	unknown	Antarctica
Matheronodon	83.6–72.2 MYA	Unknown	Unknown	unknown	Europe
Obelignathus	83.6–66 MYA	Unknown	Unknown	unknown	Europe
Talenkauen	83.6–72.2 MYA	Unknown	Unknown	unknown	South America
Onychosaurus	83.6–66 MYA	Unknown	Unknown	unknown	Unknown
Sektensaurus	83.6–66 MYA	Unknown	Unknown	unknown	South America
Zalmoxes	83.6–66 MYA	Unknown	Unknown	unknown	Europe
Gasparinisaura	83.6–72.2 MYA	Unknown	Unknown	unknown	South America
Gilmoreosaurus	83.6–72.2 MYA	Unknown	Unknown	unknown	Asia
MaiasauraHadrosauridae	76.7–75.3 MYA	Unknown	Unknown	herbivore	North America
ParasaurolophusHadrosauridae	76.5–73 MYA	Unknown	Unknown	herbivore	North America
EdmontosaurusHadrosauridae	73–66 MYA	Unknown	Unknown	herbivore	North America
TaletaHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Africa
BarsboldiaHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Asia
CharonosaurusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Asia
GongshuilongHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Asia
KamuysaurusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Asia
KerberosaurusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Asia
OlorotitanHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Asia
WulagasaurusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Asia
YamatosaurusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Asia
AugustynolophusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	North America
UgrunaalukHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	North America
BonapartesaurusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	South America
KelumapusauraHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	South America
LapampasaurusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	South America
SecernosaurusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	South America
KundurosaurusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Unknown
MicrohadrosaurusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Unknown
OrthomerusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Unknown
SahaliyaniaHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Unknown
ThespesiusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Unknown
WillinakaqeHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Unknown
AdynomosaurusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Europe
ArenysaurusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Europe
BlasisaurusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Europe
CanardiaHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Europe
KryptohadrosTelmatosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Europe
PararhabdodonHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Europe
AjnabiaHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Africa
MinqariaHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Africa
AmurosaurusHadrosauridae	72.2–66 MYA	Unknown	Unknown	unknown	Asia
Isasicursor	72.2–66 MYA	Unknown	Unknown	unknown	South America
Transylvanosaurus	72.2–66 MYA	Unknown	Unknown	unknown	Europe
Riabininohadros	72.2–66 MYA	Unknown	Unknown	unknown	Europe
Pareisactus	72.2–66 MYA	Unknown	Unknown	unknown	Europe
Fylax	72.2–66 MYA	Unknown	Unknown	unknown	Europe
Calvarius	72.2–66 MYA	Unknown	Unknown	unknown	Europe
Morrosaurus	72.2–66 MYA	Unknown	Unknown	unknown	Antarctica
Gonkoken	72.2–66 MYA	Unknown	Unknown	unknown	South America
NectosaurusHadrosauridae	Unknown range	Unknown	Unknown	unknown	Unknown
NeosaurusHadrosauridae	Unknown range	Unknown	Unknown	unknown	Unknown
ClaorhynchusHadrosauridae	Unknown range	Unknown	Unknown	unknown	Unknown
ProiguanodonIguanodontidae	Unknown range	Unknown	Unknown	unknown	Unknown
ParrosaurusHadrosauridae	Unknown range	Unknown	Unknown	unknown	Unknown
OrnithotarsusHadrosauridae	Unknown range	Unknown	Unknown	unknown	Unknown
KoutalisaurusHadrosauridae	Unknown range	Unknown	Unknown	unknown	Unknown
Syngonosaurus	Unknown range	Unknown	Unknown	unknown	Unknown
Proyandusaurus	Unknown range	Unknown	Unknown	unknown	Unknown
Sphenospondylus	Unknown range	Unknown	Unknown	unknown	Unknown
Albisaurus	Unknown range	Unknown	Unknown	unknown	Unknown
Paulodon	Unknown range	Unknown	Unknown	unknown	Unknown
Ponerosteus	Unknown range	Unknown	Unknown	unknown	Unknown
Eucercosaurus	Unknown range	Unknown	Unknown	unknown	Unknown
Procerosaurus	Unknown range	Unknown	Unknown	unknown	Unknown
Tichosteus	Unknown range	Unknown	Unknown	unknown	Unknown

Weight and height are best estimates from published research, not exact measurements — sauropod mass in particular varies by method and specimen. Most genera below are newly classified and still awaiting full measurements.