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Ceratopsidae (sometimes
spelled Ceratopidae) is a
family of
ceratopsian dinosaurs including Triceratops, Centrosaurus, and Styracosaurus. All
known species...
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anagenetic lineage. In 1995,
Sampson formally placed Achelousaurus in the
Ceratopsidae, more
precisely the Centrosaurinae. In all analyses,
Einiosaurus and...
- and Triceratops. In 1890
Marsh classified them
together in the
family Ceratopsidae and the
order Ceratopsia. This
prompted Cope to
reexamine his own specimens...
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fragmentary nature of the remains, it can only
confidently be ****igned to
Ceratopsidae.
Polyonax mortuarius was
collected by Cope
himself in 1873 from northeastern...
- Tanke, D.H. (2008). "A new
species of
Pachyrhinosaurus (Dinosauria,
Ceratopsidae) from the
Upper Cretaceous of Alberta, Canada." pp. 1-108. In: Currie...
- (2021). "The
oldest centrosaurine: a new
ceratopsid dinosaur (Dinosauria:
Ceratopsidae) from the
Allison Member of the
Menefee Formation (Upper Cretaceous,...
-
Ishikawa and colleagues, and
shows the
position of
Nasutoceratops within Ceratopsidae:
Sampson and
colleagues stated in 2013 that the
discovery of Nasutoceratops...
- the
bizarre and
extravagant variation seen in
different members of the
Ceratopsidae. This
observation is
highly suggestive of what is now
believed to be...
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David C. (20 June 2024). "Lokiceratops
rangiformis gen. et sp. nov. (
Ceratopsidae: Centrosaurinae) from the
Campanian Judith River Formation of Montana...
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sequence of ever more
derived forms,
increasingly closer related to the
Ceratopsidae. A
phylogenetic tree
after a
recent phylogenetic analysis by
Chiba et...
