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Dc card chasm big
Jurassic Park Institute Artwork

Name meaning

"Opening Lizard"

Code name





3 meter (10 feet)[2]


5 meter (16 feet)[2]


3 tons (2700 kilos)[2]

Game appearances

Jurassic Park III: Park Builder

Template Source

Chasmosaurus was the oldest of the long-frilled, horned ceratopsian dinosaurs, whose family includes Triceratops. It was a medium-sized plant-eater that had a long neck frill with large holes in the bone and narrow structures to support the weight of the frill. It would have had skin stretched over the holes in its frill. Chasmosaurus had medium-sized horns over its eyes, and a smaller nose horn.[2]

Judging from the monotypic bone beds of the Chasmosaurus fossils, this animal traveled in single species herds. Since the frill of a Chasmosaurus would not be a very effective defensive weapon, there is speculation that it may have been used for identification and attracting mates. New discoveries suggest the possibility that Chasmosaurus and Pentaceratops might belong in the same genus.[2]

Wikipedia has a more detailed and comprehensive article on Chasmosaurus

TLW S1 Chasmo fence

Chasmosaurus figure.

Jurassic Park franchise Edit

Chasmosaurus never appeared in the Jurassic Park novels or movies. It does appear in a video game and multiple toy lines.

Video gamesEdit


Chasmosaurus in Jurassic Park III: Park Builder.

Chasmosaurus one of the dinosaurs that can be cloned in Jurassic Park III: Park Builder. It is nr. 097 of the Herbivore Twos.

Toy linesEdit

A Chasmosaurus (misspelled "Chasmasaurus" on the box) figure appears in the Kenner toy line The Lost World Series 1. A repaint of this figure appeared in Jurassic Park: Dinosaurs.

References Edit

  1. The Lost World Series 1, Chamasaurus box.
  2. 2.0 2.1 2.2 2.3 2.4 Jurassic Park Institute, Dinopedia, Chasmosaurus. Link.

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