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Triceratops (/ t r aɪ ˈ s ɛr ə t ɒ p s / try-SERR-ə-tops; [1] lit. ' three-horned face ') is a genus of chasmosaurine ceratopsian dinosaur that lived during the late Maastrichtian age of the Late Cretaceous period, about 68 to 66 million years ago in what is now western North America.
Selected pictures For additional high quality dinosaur images, see the Dinosaur Image Review Tyrannosaurus rex skeleton at the Carnegie Museum of Natural History, Pittsburgh.
The animals depicted do not correspond to fossil finds in the region surrounding Ica; no dinosaur remains are known from the area and several groups shown (such as ceratopsians) are not known from South America at all. [2] [8] In some cases, the dinosaurs are depicted as being hunted [5] [7] or domesticated by humans. [5]
English: Size comparison of the largest specimens of Triceratops. Based on GetAwayTrike's skull comparison, Scott Hartman's skeletal, Scanella et. al., 2014, and this DML post Human silhouette from File:Silhouette of man standing and facing forward.svg. The human silhouette is from File:Silhouette of man standing and facing forward.svg (CC0).
It is the largest known Triceratops skeleton, according to the team that assembled the fossil. Big John's 2021 auction price of € 6.6 million ( US$ 7.7 million) made it the most expensive Triceratops skeleton; its high price signaled increasing demand for dinosaur fossils among private collectors and prompted discussion about the drawbacks of ...
The clade Ceratopsidae was in 1998 defined by Paul Sereno as the group including the last common ancestor of Pachyrhinosaurus and Triceratops; and all its descendants. [17] In 2004, it was by Peter Dodson defined to include Triceratops , Centrosaurus , and all descendants of their most recent common ancestor. [ 18 ]