The largest ornithopod (Dinosauria: Ornithischia) from the Upper Jurassic of Europe sheds light on the evolutionary history of basal ankylopollexians Author Sánchez-Fenollosa, Sergio Fundación Conjunto Paleontológico de Teruel-Dinópolis / Museo Aragonés de Paleontología, Av. Sagunto s / n, 44002, Teruel, Spain sfenollosa@fundaciondinopolis.org Author Verdú, Francisco J. Fundación Conjunto Paleontológico de Teruel-Dinópolis / Museo Aragonés de Paleontología, Av. Sagunto s / n, 44002, Teruel, Spain Author Cobos, Alberto Fundación Conjunto Paleontológico de Teruel-Dinópolis / Museo Aragonés de Paleontología, Av. Sagunto s / n, 44002, Teruel, Spain text Zoological Journal of the Linnean Society 2023 2023-07-18 199 4 1013 1033 http://dx.doi.org/10.1093/zoolinnean/zlad076 journal article 10.1093/zoolinnean/zlad076 0024-4082 10470514 9A4BC231-A3D0-4335-AFCB-8A99DEF3C953C Oblitosaurus gen.nov. Etymology: The generic name Oblitosaurus from ‘oblitus’ (Latin), meaning forgoưen, because its bones are the last to be studied from the Barrihonda-El Humero fossil site. And from ‘sauros’ (Greek), meaning lizard. Type species: Oblitosaurus bunnueli gen. et sp. nov. Diagnosis: As for type and only species (see below).