a chasmosaurine ceratopsid (horn faced) dinosaur from the Late Cretaceous of Canada.
Near horned face
More details coming soon...
is derived from the Greek "agkhi" (near), "ceras" (horn) and "ops" (face) because of its supposed position as an evolutionary stepping stone, close to both Monoclonius
. We now know that Monoclonius
is probably Centrosaurus
and a centrosaurine, Ceratops
is barely a dinosaur but allowed to anchor ceratopsia for posterity, and Anchiceratops
is a chasmosaurine, not that close to either of them.
The species epithet
, refers to the ornate (flashy!) margin of its rectangular frill, edged with irregular bony projections and knobbly bits.
The first Anchiceratops
fossils were discovered along the Red Deer River in the Dinosaur Park Formation (Dinosaur Provincial Park) of Alberta, Canada, by Barnum Brown in 1912. The Holotype
(AMNH 5251, housed at the American Museum of Natural History, New York) consists of the back half of a skull, including its long frill.
: Late Cretaceous
: 80-73 mya
Est. max. length
: 5 meters
Est. max. hip height
: 2 meters
Est. max. weight
: 1.4 tons
("long snout") is based on a complete skull (NMC 8535) that Charles M. Sternberg discovered 20km north-west of Morrin in 1924 and described five years later. With a somewhat shorter skull (1.6m long) and an overall more gracile construction, this specimen is almost universally accepted as a female version of the more robust Anchiceratops ornatus
• B. Brown (1914) "Anchiceratops, a new genus of horned dinosaurs from the Edmonton Cretaceous of Alberta. With a discussion of the origin of the ceratopsian crest and the brain casts of Anchiceratops and Trachodon
". Bulletin of the AMNH; v. 33, article 33.
• Peter Dodson (1998) "The Horned Dinosaurs: a Natural History
• Weishampel, D.B., Barrett, P.M., Coria, R.A., Le Loueff, J., Xu X., Zhao X., Sahni, A., Gomani, E.M.P. & Noto, C.N. (2004) "Dinosaur distribution in Weishampel, Dodson and Osmólska (eds.) "The Dinosauria: Second Edition
• Jordan C. Mallon, Robert Holmes, David A. Eberth, Michael J. Ryan & Jason S. Anderson (2011) "Variation in the skull of Anchiceratops
(Dinosauria, Ceratopsidae) from the Horseshoe Canyon Formation (Upper Cretaceous) of Alberta".
• Richard Swann Lull/Clara Mae Le Vene (2015) "A Revision of the Ceratopsia or Horned Dinosaurs
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