ammonites
†subfamily Monocloniinae Nopcsa 1923 (ornithischian)

Reptilia - Dinosauria - Ceratopsidae

Full reference: B. F. Nopcsa. 1923. Die Familien der Reptilien [The families of reptiles]. Forschritte der Geologie und Palaeontologie. Verlag von Gebrüder Borntraeger, Berlin 2:1-210

Parent taxon: Ceratopsidae according to F. v. Huene 1948

Sister taxa: Centrosaurinae, Ceratopsinae, Ceratopsipes, Chasmosaurinae, Pachyrhinosaurinae, Turanoceratops, Proceratops

Subtaxa: none

Type: Monoclonius

Ecology: ground dwelling herbivore