Pronunciation: nee-or-ni-THIS-kee-a
Author: Cooper
Year: 1985
Meaning: New Ornithischia (see etymology)
Locomotion: Bipedal or Quadrupedal (two or four legs)
Synonyms: None known
Author: Cooper
Year: 1985
Meaning: New Ornithischia (see etymology)
Locomotion: Bipedal or Quadrupedal (two or four legs)
Synonyms: None known
[Cooper, 1985]Definition
All genasaurians more closely related to Parasaurolophus walkeri, than
to Ankylosaurus magniventris or Stegosaurus stenops.
About
Neornithischia and Cerapoda, as eventually defined, included pretty much the same critters. Technically, the latter should've been sunk into the former as a junior synonym because it was named a year later and, in fact, it was... by its own author Paul Sereno! However, after a little rejig Neornithischia now houses Cerapoda (Marginocephalia and Thyreophora) plus a small handful of non-cerapods.
Some neornithischians are bipedal (walk on two legs) while others are quadrupedal (walk on four legs), but all are herbivorous and are united by the presence of asymmetrical enamel on their teeth.
Together with Thyreophora, the neornithischians make up Genasauria.
Click here For DinoChecker's A-Z list of Neornithischians.
Relationships
References
• Cooper MR (1985) "A revision of the ornithischian dinosaur Kangnasaurus coetzeei Haughton, with a classification of the Ornithischia".
Annals of the South African Museum, 95: 281-317.
• Butler RJ, Upchurch P and Norman DB (2008) "The phylogeny of the ornithischian dinosaurs". Journal of Systematic Palaeontology, 6(1): 1–40. DOI: 10.1017/S147720190700.
• Fastovsky DE and Weishampel DB (2005) "The Evolution and Extinction of the Dinosaurs".
• Martin J, Blackburn D and Wiley EO (2011) "Are node-based and stem-based clades equivalent? Insights from graph theory". PLOS Currents Tree of Life. Edition 1. DOI: 10.1371/currents.RRN1196.
