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Temporal range: Late Cretaceous, 80–77.5 Ma
Colepiocephale updating version.JPG
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Clade: Dinosauria
Order: Ornithischia
Family: Pachycephalosauridae
Genus: Colepiocephale
Sullivan, 2003
Species: C. lambei
Binomial name
Colepiocephale lambei
(Sternberg, 1945 [originally Stegoceras lambei])

Colepiocephale is a genus of pachycephalosaurid dinosaur from Late Cretaceous (middle Campanian stage) deposits of Alberta, Canada. It was collected from the Foremost Formation (middle Campanian, 80-77.5 ma). The type species, C. lambei, was originally described by Sternberg (in 1945 as Stegoceras lambei[1]), and later renamed by Sullivan in 2003. C. lambei is a domed pachycephalosaur characterized principally by the lack of a lateral and posteriosquamosal shelf, a steeply down-turned parietal, and the presence of two incipient nodes tucked under the posterior margin of the parietosquamosal border.[2]

See also[edit]


  1. ^ C. M. Sternberg. 1945. Pachycephalosauridae proposed for dome-headed dinosaurs, Stegoceras lambei, n. sp., described. Journal of Paleontology 19(5):534-538
  2. ^ Sullivan, R. M. (2003). "Revision of the dinosaur Stegoceras Lambe (Ornithischia, Pachycephalosauridae)". Journal of Vertebrate Paleontology. 23: 181–207. doi:10.1671/0272-4634(2003)23[181:rotdsl];2.