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For the genus of moth, see Cerapoda (moth).
Temporal range: Middle JurassicLate Cretaceous, 169–66.5 Ma
Museum of the Rockies Dinosaur Heads.JPG
Skulls of cerapod dinosaurs
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Dinosauria
Order: Ornithischia
Clade: Neornithischia
Clade: Cerapoda
Sereno, 1986

Cerapoda ("ceratopsians and ornithopods") is a clade of the dinosaur order Ornithischia.


Cerapoda is divided into two groups: Ornithopoda ("bird-foot") and Marginocephalia ("fringed heads"). The later group includes the Pachycephalosauria ("thick-headed lizards") and Ceratopsia ("horned faces"). The following taxonomy follows Richard J. Butler, Paul Upchurch and David B. Norman, 2008 (and Butler et al., 2011) unless otherwise noted.[1][2]

Cerapoda was first named by Sereno in 1986 and defined by him as "Parasaurolophus walkeri Parks, 1922, Triceratops horridus Marsh, 1889, their most recent common ancestor and all descendents".[1] The cladogram below follows a 2011 analysis by paleontologists Richard J. Butler, Jin Liyong, Chen Jun and Pascal Godefroit.[2]


Ornithopoda Parasaurolophuspic steveoc.jpg


Pachycephalosauria Pachycephalosauria jmallon.jpg

Ceratopsia Triceratops BW.jpg

In addition, there are some species which are difficult to classify in either the marginocephalian or ornithopod lineages, such as Albalophosaurus yamaguchiorum, which is considered Cerapoda incertae sedis (uncertain placement).[3]


  1. ^ a b Richard J. Butler; Paul Upchurch; David B. Norman (2008). "The phylogeny of the ornithischian dinosaurs". Journal of Systematic Palaeontology. 6 (1): 1–40. doi:10.1017/S1477201907002271. 
  2. ^ a b Richard J. Butler; Jin Liyong; Chen Jun; Pascal Godefroit (2011). "The postcranial osteology and phylogenetic position of the small ornithischian dinosaur Changchunsaurus parvus from the Quantou Formation (Cretaceous: Aptian–Cenomanian) of Jilin Province, north-eastern China". Palaeontology. 54 (3): 667–683. doi:10.1111/j.1475-4983.2011.01046.x. 
  3. ^ Ohashi, T.; Barrett, P.M. (2009). "A new ornithischian dinosaur from the Lower Cretaceous Kuwajima Formation of Japan". Journal of Vertebrate Paleontology. Society of Vertebrate Paleontology. 29 (3): 748-7. doi:10.1671/039.029.0306.