†unranked clade Styracosterna Sereno 1986 (bird foot dinosaur)
Full reference: P. C. Sereno. 1986. Phylogeny of the bird-hipped dinosaurs (order Ornithischia). National Geographic Research 2(2):234-256
Parent taxon: Ankylopollexia according to D. B. Norman 2014
See also Benton 1990, Butler et al. 2008, Gasulla et al. 2015, McDonald et al. 2010, McDonald et al. 2010, Norman 2004, Sereno 1986, Sereno 1997, Sereno 1998, Sereno 1999, Shibata et al. 2015 and Wang et al. 2017
Sister taxa: Bayannurosaurus, Camptosauridae, Camptosaurus, Draconyx, Neoiguanodontia
Subtaxa: Cumnoria Dakotadon Delapparentia Hadrosauriformes Hippodraco Iguanacolossus Lanzhousaurus Morelladon Osmakasaurus Theiophytalia Uteodon
Ecology: ground dwelling herbivore