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subfamily · 2 represented species

Chasmosaurinae

Chasmosaurinae is the long-frilled branch of ceratopsids that includes Chasmosaurus and Triceratops.

Explore this branch Parent: Ceratopsidae

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Chasmosaurinae

The page URL and title are included automatically. Optional contact details are used only to discuss this report. Do not submit private information or precise sensitive fossil-site coordinates.

Representative silhouette for Chasmosaurinae
2Direct child groups
2Countries represented
76.5–75.3 MaDataset range

Branch structure

Direct branches in this dataset

genus

Chasmosaurus

Open branch genus

Kosmoceratops

Open branch

Representative taxa

Dinosaurs in this branch

Chasmosaurus belli browsing in a Dinosaur Park Formation forestArt by J. T. Csotonyi · CC BY 2.5

Cretaceous

Chasmosaurus belli

A classic long-frilled horned dinosaur from Alberta, known from complete skulls, articulated skeletons, skin impressions and a rare juvenile skeleton.

herbivore~4.7 m
Life reconstruction of Kosmoceratops resting as a small Talos approachesArt by Durbed · CC BY-SA 3.0

Cretaceous

Kosmoceratops richardsoni

A spectacularly ornamented chasmosaurine from southern Utah, with a short broad frill edged by ten curved hooks and spikes.

herbivore~4.5 m

Distribution

Geographic record

Canada · United States

Country-level summary of represented seed records, not a complete range map.

Sources

Further reading

Introduction to the DinosauriaDinosaur Paleobiology