The Princeton Encyclopedia of Dinosaurs: Ornithischians

Citation

Jones, B. (2026). The Princeton Encyclopedia of Dinosaurs: Ornithischians. Princeton University Press.

Cited by genera

• Abrictosaurus

  Source of the hip height estimate.

• Acantholipan

  Source of the body length and hip height estimates, and the appearance features; the dorsal spines are from its reconstruction.

• Achelousaurus

  Source of the hip height estimate, and the appearance features.

• Acristavus

  Source of the hip height estimate.

• Adelolophus

  Source of the body length estimate.

• Adratiklit

  Source of the hip height estimate.

• Agathaumas

  Treats Agathaumas as a nomen dubium on undiagnostic postcranial remains.

• Agujaceratops

  Source of the hip height estimate, and the appearance features.

• Ahshislepelta

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Ajkaceratops

  Source of the mass and hip height estimates, and the appearance features.

• Ajnabia

  Source of the mass and hip height estimates.

• Akainacephalus

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Albalophosaurus

  Source of the body length estimate.

• Albertaceratops

  Source of the hip height estimate, and the appearance features.

• Albertadromeus

  Source of the body length, mass, and hip height estimates.

• Alcovasaurus

  Source of the hip height estimate, and the appearance features.

• Aletopelta

  Source of the hip height estimate, and the appearance features.

• Alocodon

  Treats Alocodon as a dubious genus of uncertain ornithopod affinity.

• Altirhinus

  Source of the hip height estimate, and the appearance features.

• Ampelognathus

  Source of the body length, mass, and hip height estimates.

• Amtocephale

  Source of the body length estimate, and the appearance features.

• Amtosaurus

  Treats Amtosaurus as a nomen dubium, an indeterminate ornithischian.

• Anabisetia

  Source of the mass and hip height estimates.

• Anasazisaurus

  Treats Anasazisaurus as a synonym of Kritosaurus.

• Anchiceratops

  Source of the hip height estimate, and the appearance features.

• Angulomastacator

  Source of the body length estimate, and the appearance features.

• Animantarx

  Source of the hip height estimate, and the appearance features.

• Ankylosaurus

  Source of the appearance features.

• Anodontosaurus

  Source of the hip height estimate, and the appearance features.

• Anoplosaurus

  Source of the body length estimate.

• Antarctopelta

  Source of the hip height estimate, and the appearance features.

• Aquilarhinus

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Aquilops

  Source of the hip height estimate, and the appearance features.

• Aralosaurus

  Source of the appearance features.

• Archaeoceratops

  Source of the appearance features.

• Archaeocursor

  Source of the body length, mass, and hip height estimates.

• Arenysaurus

  Source of the hip height estimate, and the appearance features.

• Arrhinoceratops

  Source of the appearance features.

• Asiaceratops

  Source of the body length estimate.

• Bagaceratops

  Source of the hip height estimate, and the appearance features.

• Bainoceratops

  Lists Bainoceratops as a subjective synonym of Protoceratops andrewsi.

• Baiyinosaurus

  Source of the body length, mass, and hip height estimates.

• Barilium

  Reports Barilium as close to Iguanodon and Mantellisaurus.

• Barsboldia

  Source of the appearance features.

• Bashanosaurus

  Source of the mass and hip height estimates, and the appearance features; the dorsal spines are from its reconstruction.

• Batyrosaurus

  Source of the body length estimate.

• Beg

  Source of the body length estimate.

• Bienosaurus

  Treats Bienosaurus as a nomen dubium, possibly synonymous with Tatisaurus.

• Bissektipelta

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Bisticeratops

  Source of the body length estimate.

• Blasisaurus

  Source of the body length estimate.

• Bolong

  Source of the hip height estimate, and the appearance features.

• Borealopelta

  Source of the hip height estimate, and the appearance features.

• Brachyceratops

  Lists Brachyceratops among nomina dubia, as unidentifiable juvenile ceratopsid remains.

• Brachypodosaurus

  Lists Brachypodosaurus among nomina dubia; its stegosaur identification has been challenged.

• Breviceratops

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Brighstoneus

  Treats Brighstoneus as a basal hadrosauriform.

• Callovosaurus

  Treats Callovosaurus as a valid dryosaurid.

• Calvarius

  Source of the body length, mass, and hip height estimates.

• Camptosaurus

  Source of the hip height estimate.

• Canardia

  Source of the body length estimate.

• Cedarpelta

  Source of the hip height estimate, and the appearance features.

• Chakisaurus

  Source of the body length, mass, and hip height estimates.

• Changchunsaurus

  Source of the hip height estimate, and the appearance features.

• Choyrodon

  Classifies Choyrodon as a hadrosauroid of uncertain precise position.

• Chuanqilong

  Source of the mass and hip height estimates, and the appearance features.

• Chungkingosaurus

  Source of the mass and hip height estimates, and the appearance features.

• Claorhynchus

  Records that the genus has been considered both hadrosaurid and ceratopsid, and treats it as an indeterminate hadrosaurid.

• Claosaurus

  Source of the body length, mass, and hip height estimates.

• Colepiocephale

  Source of the body length estimate, and the appearance features.

• Convolosaurus

  Source of the hip height estimate.

• Coronosaurus

  Source of the hip height estimate, and the appearance features.

• Crichtonpelta

  Source of the mass and hip height estimates, and the appearance features.

• Crittendenceratops

  Source of the body length estimate, and the appearance features.

• Cumnoria

  Source of the mass and hip height estimates.

• Dacentrurus

  Source of the appearance features.

• Dakotadon

  Source of the hip height estimate, and the appearance features.

• Datonglong

  Source of the body length estimate.

• Diabloceratops

  Source of the hip height estimate, and the appearance features.

• Diluvicursor

  Source of the mass and hip height estimates.

• Dongyangopelta

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Draconyx

  Source of the hip height estimate.

• Dracopelta

  Source of the hip height estimate, and the appearance features.

• Dryosaurus

  Source of the hip height estimate, and the appearance features.

• Dyoplosaurus

  Source of the hip height estimate, and the appearance features.

• Dysalotosaurus

  Source of the hip height estimate, and the appearance features.

• Echinodon

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Edmontonia

  Source of the hip height estimate, and the appearance features.

• Edmontosaurus

  Source of the hip height estimate, and the appearance features.

• Elrhazosaurus

  Source of the body length estimate.

• Emiliasaura

  Assessment in the Princeton Encyclopedia of Dinosaurs.

• Eocursor

  Source of the mass and hip height estimates.

• Eolambia

  Treats Eolambia as a basal hadrosauromorph.

• Eotrachodon

  Source of the body length, mass, and hip height estimates.

• Eousdryosaurus

  Source of the mass and hip height estimates.

• Fabrosaurus

  Source of the body length estimate.

• Ferganocephale

  Treats Ferganocephale as a nomen dubium, an ornithischian of uncertain placement.

• Ferrisaurus

  Source of the body length estimate, and the appearance features.

• Fona

  Source of the body length and hip height estimates.

• Foraminacephale

  Source of the appearance features.

• Fostoria

  Source of the hip height estimate, and the appearance features.

• Fukuisaurus

  Reports the placement among the basalmost hadrosauriforms.

• Fylax

  Source of the body length estimate.

• Gargoyleosaurus

  Source of the hip height estimate, and the appearance features.

• Gasparinisaura

  Source of the hip height estimate.

• Gastonia

  Source of the hip height estimate, and the appearance features.

• Geranosaurus

  Treats Geranosaurus as a dubious heterodontosaurid.

• Gideonmantellia

  Treats Gideonmantellia as a basal ornithopod outside Iguanodontia.

• Gigantspinosaurus

  Source of the hip height estimate, and the appearance features.

• Glishades

  Treats Glishades as a nomen dubium.

• Gobihadros

  Source of the mass and hip height estimates, and the appearance features.

• Gobisaurus

  Source of the hip height estimate, and the appearance features.

• Gongbusaurus

  Lists the genus among nomina dubia, as an indeterminate basal ornithischian.

• Gonkoken

  Source of the mass and hip height estimates, and the appearance features.

• Goyocephale

  Source of the mass and hip height estimates, and the appearance features.

• Graciliceratops

  Source of the appearance features.

• Gremlin

  Source of the body length estimate.

• Hadrosaurus

  Source of the hip height estimate.

• Haya

  Source of the hip height estimate, and the appearance features.

• Helioceratops

  Reports basal neoceratopsian and leptoceratopsid placements for Helioceratops.

• Hesperonyx

  Treats Hesperonyx as an early iguanodontian, likely a dryosaurid.

• Hesperosaurus

  Source of the hip height estimate, and the appearance features.

• Hexinlusaurus

  Source of the body length, mass, and hip height estimates.

• Homalocephale

  Source of the appearance features.

• Hoplitosaurus

  Source of the appearance features.

• Huallasaurus

  Source of the body length estimate.

• Huayangosaurus

  Source of the hip height estimate, and the appearance features.

• Hungarosaurus

  Source of the hip height estimate, and the appearance features.

• Hylaeosaurus

  Source of the hip height estimate, and the appearance features.

• Hypacrosaurus

  Source of the hip height estimate, and the appearance features.

• Hypsilophodon

  Source of the hip height estimate, and the appearance features.

• Iani

  Source of the body length, mass, and hip height estimates.

• Iguanodon

  Source of the hip height estimate, and the appearance features.

• Invictarx

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Isaberrysaura

  Source of the appearance features.

• Iyuku

  Source of the body length, mass, and hip height estimates.

• Jakapil

  Treats Jakapil as a basal thyreophoran near Scelidosaurus.

• Jaxartosaurus

  Source of the appearance features.

• Jeholosaurus

  Treats Jeholosaurus as a basal neornithischian of Jeholosauridae.

• Jeyawati

  Source of the body length, mass, and hip height estimates.

• Jiangjunosaurus

  Source of the hip height estimate, and the appearance features.

• Jintasaurus

  Source of the body length estimate.

• Jinyunpelta

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Jinzhousaurus

  Source of the hip height estimate, and the appearance features.

• Judiceratops

  Source of the body length estimate, and the appearance features.

• Kazaklambia

  Source of the body length estimate, and the appearance features.

• Kelumapusaura

  Source of the appearance features.

• Kentrosaurus

  Source of the hip height estimate, and the appearance features.

• Kerberosaurus

  Source of the appearance features.

• Koreaceratops

  Treats Koreaceratops as just stemward of Leptoceratopsidae.

• Koshisaurus

  Source of the body length estimate.

• Kosmoceratops

  Source of the hip height estimate, and the appearance features.

• Kulindadromeus

  Source of the hip height estimate, and the appearance features.

• Kunbarrasaurus

  Source of the mass and hip height estimates, and the appearance features.

• Laiyangosaurus

  Source of the body length estimate.

• Lapampasaurus

  Treats Lapampasaurus as a hadrosaurid of indeterminate placement.

• Laquintasaura

  Source of the hip height estimate.

• Latirhinus

  Treats Latirhinus as a lambeosaurine.

• Leptoceratops

  Source of the hip height estimate, and the appearance features.

• Lesothosaurus

  Source of the hip height estimate.

• Liaoceratops

  Source of the appearance features.

• Liaoningosaurus

  Source of the mass estimate, and the appearance features.

• Lokiceratops

  Source of the hip height estimate, and the appearance features.

• Lophorhothon

  Treats Lophorhothon as a non-hadrosaurid hadrosauromorph.

• Loricatosaurus

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Lurdusaurus

  Source of the appearance features.

• Lycorhinus

  Source of the mass and hip height estimates, and the appearance features.

• Maiasaura

  Source of the hip height estimate.

• Manidens

  Source of the hip height estimate.

• Mantellisaurus

  Source of the body length and hip height estimates, and the appearance features.

• Medusaceratops

  Source of the mass and hip height estimates, and the appearance features.

• Mercuriceratops

  Source of the body length estimate, and the appearance features.

• Micropachycephalosaurus

  Treats Micropachycephalosaurus as a basal ceratopsian.

• Minimocursor

  Source of the hip height estimate.

• Minmi

  Source of the mass and hip height estimates, and the appearance features.

• Minqaria

  Source of the appearance features.

• Miragaia

  Source of the hip height estimate, and the appearance features.

• Mochlodon

  Source of the body length, mass, and hip height estimates.

• Mongolostegus

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Montanoceratops

  Source of the hip height estimate, and the appearance features.

• Morelladon

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Mosaiceratops

  Source of the hip height estimate, and the appearance features.

• Muttaburrasaurus

  Illustrated by E. Viola.

• Mymoorapelta

  Source of the hip height estimate, and the appearance features.

• Naashoibitosaurus

  Source of the body length estimate.

• Nanningosaurus

  Treats Nanningosaurus as a non-hadrosaurid hadrosauromorph.

• Nanosaurus

  Source of the hip height estimate.

• Navajoceratops

  Source of the body length estimate, and the appearance features.

• Nedoceratops

  Source of the body length estimate, and the appearance features.

• Nevadadromeus

  Treats Nevadadromeus as a thescelosaurine.

• Nodocephalosaurus

  Source of the hip height estimate, and the appearance features.

• Nodosaurus

  Source of the hip height estimate, and the appearance features.

• Notohypsilophodon

  Treats Notohypsilophodon as an elasmarian.

• Oohkotokia

  Source of the hip height estimate, and the appearance features.

• Ornatops

  Source of the body length estimate.

• Ornithotarsus

  Records the shift from the Hadrosaurus synonymy to nomen dubium.

• Orodromeus

  Source of the mass and hip height estimates, and the appearance features.

• Oryctodromeus

  Source of the hip height estimate.

• Ouranosaurus

  Source of the hip height estimate, and the appearance features.

• Owenodon

  Source of the body length estimate.

• Pachycephalosaurus

  Source of the hip height estimate, and the appearance features.

• Panoplosaurus

  Source of the hip height estimate, and the appearance features.

• Paranthodon

  Source of the hip height estimate.

• Pararhabdodon

  Source of the appearance features.

• Parksosaurus

  Treats Parksosaurus as a thescelosaurine.

• Patagopelta

  Source of the appearance features.

• Pawpawsaurus

  Source of the mass and hip height estimates, and the appearance features.

• Pegomastax

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Peishansaurus

  Lists the genus among nomina dubia, possibly an ankylosaur.

• Penelopognathus

  Treats Penelopognathus as a basal hadrosauroid.

• Pentaceratops

  Source of the hip height estimate, and the appearance features.

• Pinacosaurus

  Source of the hip height estimate, and the appearance features.

• Planicoxa

  Source of the hip height estimate.

• Platypelta

  Source of the body length, mass, and hip height estimates.

• Platytholus

  Source of the body length estimate, and the appearance features.

• Plesiohadros

  Source of the body length estimate, and the appearance features.

• Polacanthus

  Source of the hip height estimate, and the appearance features.

• Portellsaurus

  Source of the body length estimate.

• Prenocephale

  Source of the appearance features.

• Prenoceratops

  Source of the appearance features.

• Proa

  Source of the hip height estimate, and the appearance features.

• Probactrosaurus

  Source of the hip height estimate, and the appearance features.

• Probrachylophosaurus

  Source of the appearance features.

• Propanoplosaurus

  Source of the appearance features.

• Protoceratops

  Source of the hip height estimate, and the appearance features.

• Protohadros

  Reports the placement within Hadrosauromorpha.

• Psittacosaurus

  Source of the hip height estimate, and the appearance features.

• Qantassaurus

  Treats Qantassaurus as an elasmarian.

• Ratchasimasaurus

  Treats it as a valid styracosternan.

• Regaliceratops

  Source of the hip height estimate, and the appearance features.

• Regnosaurus

  Treats Regnosaurus as a nomen dubium.

• Rhinorex

  Source of the body length estimate, and the appearance features.

• Riabininohadros

  Source of the body length estimate.

• Saichania

  Source of the hip height estimate, and the appearance features.

• Sanxiasaurus

  Source of the body length estimate.

• Sarcolestes

  Source of the body length estimate.

• Saurolophus

  Source of the hip height estimate, and the appearance features.

• Sauropelta

  Source of the hip height estimate, and the appearance features.

• Sauroplites

  Source of the body length estimate, and the appearance features.

• Scelidosaurus

  Source of the hip height estimate, and the appearance features.

• Scolosaurus

  Source of the hip height estimate, and the appearance features.

• Scutellosaurus

  Source of the hip height estimate, and the appearance features.

• Secernosaurus

  Source of the mass and hip height estimates.

• Sektensaurus

  Source of the body length, mass, and hip height estimates.

• Shamosaurus

  Source of the hip height estimate, and the appearance features.

• Shantungosaurus

  Source of the hip height estimate, and the appearance features.

• Siamodon

  Source of the body length estimate.

• Sierraceratops

  Source of the body length estimate.

• Silvisaurus

  Source of the hip height estimate, and the appearance features.

• Sinoceratops

  Source of the hip height estimate, and the appearance features.

• Sinopeltosaurus

  Treats Sinopeltosaurus as an early thyreophoran.

• Spiclypeus

  Source of the hip height estimate, and the appearance features.

• Spicomellus

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Spinops

  Source of the hip height estimate, and the appearance features.

• Stegosaurides

  Lists the genus among nomina dubia, as an indeterminate thyreophoran.

• Stegouros

  Source of the hip height estimate, and the appearance features.

• Stellasaurus

  Source of the body length estimate, and the appearance features.

• Stenopelix

  Treats Stenopelix as a chaoyangsaurid.

• Stephanosaurus

  Records that the skull fragments included in the description were later found to come from different animals.

• Struthiosaurus

  Source of the hip height estimate, and the appearance features.

• Styracosaurus

  Source of the appearance features.

• Talarurus

  Source of the hip height estimate, and the appearance features.

• Talenkauen

  Source of the hip height estimate, and the appearance features.

• Tanius

  Source of the hip height estimate.

• Tarchia

  Source of the hip height estimate, and the appearance features.

• Tatankacephalus

  Source of the mass and hip height estimates, and the appearance features.

• Tatisaurus

  Treats Tatisaurus as a nomen dubium, possibly a synonym of Bienosaurus.

• Telmatosaurus

  Treats Telmatosaurus as a non-hadrosaurid hadrosauromorph.

• Tenontosaurus

  Source of the hip height estimate.

• Terminocavus

  Source of the body length estimate, and the appearance features.

• Tethyshadros

  Source of the hip height estimate, and the appearance features.

• Thescelosaurus

  Source of the hip height estimate, and the appearance features.

• Thyreosaurus

  Source of the appearance features.

• Tianchisaurus

  Source of the body length estimate, and the appearance features.

• Tianyulong

  Source of the hip height estimate, and the appearance features.

• Titanoceratops

  Source of the hip height estimate, and the appearance features.

• Tlatolophus

  Source of the hip height estimate, and the appearance features.

• Torosaurus

  Source of the hip height estimate, and the appearance features.

• Transylvanosaurus

  Treats Transylvanosaurus as a rhabdodontid.

• Trimucrodon

  Treats Trimucrodon as an indeterminate ornithischian.

• Trinisaura

  Source of the mass and hip height estimates.

• Tsagantegia

  Source of the appearance features.

• Turanoceratops

  Source of the hip height estimate, and the appearance features.

• Tylocephale

  Source of the appearance features.

• Udanoceratops

  Source of the appearance features.

• Utahceratops

  Source of the appearance features.

• Vagaceratops

  Source of the appearance features.

• Valdosaurus

  Source of the hip height estimate.

• Vectipelta

  Source of the body length and hip height estimates, and the appearance features.

• Xenoceratops

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Xiaosaurus

  Reports Xiaosaurus as provisionally valid.

• Yamaceratops

  Source of the appearance features.

• Yamatosaurus

  Source of the body length estimate.

• Yanbeilong

  Source of the body length estimate, and the appearance features.

• Yandusaurus

  Illustrated by E. Viola.

• Yehuecauhceratops

  Source of the appearance features.

• Yinlong

  Source of the hip height estimate, and the appearance features.

• Yueosaurus

  Source of the body length estimate.

• Yunganglong

  Source of the body length estimate.

• Yuxisaurus

  Treats Yuxisaurus as an early-diverging thyreophoran.

• Zalmoxes

  Source of the hip height estimate.

• Zaraapelta

  Source of the body length, mass, and hip height estimates, and the appearance features.

• Zephyrosaurus

  Source of the appearance features.

• Zhanghenglong

  Source of the body length estimate.

• Zhejiangosaurus

  Source of the appearance features; the dorsal spines are from its reconstruction.

• Zhongyuansaurus

  Treats Zhongyuansaurus as a synonym of Gobisaurus.

• Zuniceratops

  Source of the appearance features.

• Zuoyunlong

  Source of the body length estimate.

• Zuul

  Source of the mass and hip height estimates, and the appearance features.

Cited by clades

• Elasmaria

  Describes Elasmaria as one of the earliest-diverging ornithopod branches, with its internal relationships ill-defined.

• Heterodontosauridae

  Places Heterodontosauridae as the first-diverging branch of Ornithischia, noting an alternative placement at the base of Pachycephalosauria.