TABLE 2 in Phylogeny of iguanodontian dinosaurs and the evolution of quadrupedality

TABLE 2. Phylogenetic definitions used in this analysis.
CladeDefinitionOriginal Author (Other Uses)NeornithischiaAll genasaurians more closely related to Parasaurolophus walker, Parks, 1922, than to Ankylosaurus magniventris Brown, 1908 or Stegosaurus stenops Marsh, 1877.Butler et al., 2008OrnithopodaAll genasaurians more closely related to Parasaurolophus walker, Parks, 1922, than to Triceratops horridus Marsh, 1889Butler et al., 2008ThescelosauridaeAll neornithischians more closely related to Thescelosaurus neglectusNew, afterGilmore, 1913 than to Hypsilophodon foxii Huxley, 1869, Dryosaurus altus Thescelosauridae, (Marsh, 1878), or Parasaurolophus walkeri Parks 1922. Buchholz, 2002 (Boyd, 2015)ClypeodontaHypsilophodon foxii, Edmontosaurus regalis, their most recent common ancestor, and all of its descendants.Norman, 2014aIguanodontiaThe most inclusive clade containing Parasaurolophus walkeri Parks 1922 Sereno, 2005, emended but not Hypsilophodon foxii Huxley, 1869, or Thescelosaurus neglectus from Sereno 1998 Gilmore, 1913.RhabdodontoideaA stem-based taxon including all taxa more closely related to Zalmoxes robustus (Nopcsa 1902) and Rhabdodon priscus Matheron 1869 than to Dryosaurus altus (Marsh, 1878).New clade nameRhabdodontidaeA node-based taxon consisting of the most recent common ancestor of Zalmoxes robustus (Nopcsa 1902) and Rhabdodon priscus Matheron 1869 and all the descendants of this common ancestor.Weishampel et al., 2003DryomorphaThe most inclusive clade containing Dryosaurus altus (Marsh, 1878) and Parasaurolophus walker, Parks 1922Sereno, 2005, emended from Sereno, 1986DryosauridaeThe most inclusive clade containing Dryosaurus altus (Marsh, 1878) but not Parasaurolophus walkeri Parks 1922.Sereno, 2005, emended from Milner and Norman, 1984AnkylopollexiaThe least inclusive clade containing Camptosaurus dispar (Marsh, 1879), This study, emended from Uteodon aphanoecetes (Carpenter and Wilson, 2008) and Sereno, 1998 Parasaurolophus walker, Parks 1922.StyracosternaThe most inclusive clade containing Parasaurolophus walker Parks, 1922 This study, emended from but not Camptosaurus dispar (Marsh 1879) or Uteodon aphanoecetes Sereno, 1998 (Carpenter and Wilson 2008).IguanodontidaeThe most inclusive clade containing Iguanodon bernissartensis Boulenger, 1881 but not Parasaurolophus walkeri Parks, 1922.Sereno, 2005, emended from Sereno 1998HadrosauroideaThe most inclusive taxon containing Parasaurolophus walkeri Parks, 1922 Sereno, 2005, emended but not Iguanodon bernissartensis Boulenger 1881, or Mantellisaurus from Sereno, 1998 atherfieldensis (Hooley 1925).