Hypsilophodontidae
Ornithischia Ornithopoda Hypsilophodontidae [Herbivore]
A group of a diverse and widely distributed ornithopod dinosaurs with a fossil record ranging in time from the Middle Jurassic to the Maastrichtian.
Jurassic Middle
China
Agilisaurus louderbacki - Xiashaximiao Formation, Sichuan
Yandusaurus hongheensis - Xiashaximiao Formation, Sichuan
Jurassic Late
Portugal
Phyllodon henkeli - Unnamed unit, Provincia do Beira Litoral
US
Drinker nisti - Morrison Formation, Wyoming
Othnielia
Laosaurus gracilis - Morrison Formation
Nanosaurus rex - Morrison Formation, Colorado
Othnielia rex - Morrison Formation, Colorado, Utah, Wyoming
Othnielosaurus consors - Morrison Formation, Wyoming, Utah
Laosaurus consors - Morrison Formation
China
Gongbusaurus shiyii - Shangshaximiao Formation, Sichuan
Cretaceous Early
England
Hypsilophodon foxii - *Wealden Beds, East Sussex, Wealden Beds Maris, Isle of Wight
Spain
Hypsilophodon foxii - Las Zabacheras Beds
US
Zephyrosaurus schaffi - Cloverly Formation, Montana
Australia
Atlascopcosaurus loadsi - Otway Group, Victoria
Fulgurotherium australe - Griman Creek Formation, New South Wales; Otway Group, Strzelecki Group, Victoria
Leaellynasaura amicagraphica - Otway Group, Victoria
Qantassaurus intrepidus - Wonthaggi Formation, Strzelecki Group, Victoria; Dinosaur Cove, Queensland
Cretaceous Late
Canada
Parkosaurus
Parkosaurus warrenae - Horseshoe Canyon Formation, Edmonton Group, Alberta
Thescelosaurus warrenae - Horseshoe Canyon Formation, Edmonton Group, Alberta
Thescelosaurus neglectus - Scollard Formation, Alberta, Frenchman Formation, Saskatchewan
Thescelosaurus edmontonius - Scollard Formation, Alberta
US
Bugenasaura infernalis - Hell Creek Formation, South Dakota
Thescelosaurus garbanii - Hell Creek Formation, Montana
Orodromeus makelai - Two Medicine Formation, Montana
Thescelosaurus neglectus - Lance Formation, Wyoming, Judith River Formation (Wedge), Hell Creek Formation, Montana; Hell Creek Formation, South Dakota; Laramie Formation, Colorado
\"Thescelosaurus\" sp. - Hell Creek Formation, South Dakota
Argentina
Notohypsilophodon comodorensis - Bajo Barreal Formation
Nomen Nudem: Yubasaurus; Magulodon muirkirkensis