Sierraceratops

Say it like this: “see-EH-ruh-SERR-uh-tops”

Sierraceratops turneri

Sierraceratops ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in the United States.

Quiz me on Sierraceratops

When: Late Cretaceous (Campanian · Maastrichtian) · roughly 83.6 to 66 million years ago
Named in: 2021 · Dalman, S. G.; Lucas, S. G.; Jasinski, S. E.; Longrich, N. R.
Hip height: Not established
Length: 5.3 m · 17 ft
Weight: Not established
Found in: the United States · Hall Lake
Food and walking: Herbivore · Four legs
Kind: horned dinosaur · Ceratopsian
Family branch: Chasmosaurinae

The story in short

Sierraceratops was formally named in 2021 by S. G. Dalman and colleagues. The name means “sierra horned face.”

It lived in the Late Cretaceous (Campanian · Maastrichtian), roughly 83.6 to 66 million years ago. Finds come from the United States, including the Hall Lake Formation. It was a herbivore and walked on four legs.

Published estimates put Sierraceratops at a length near 5.3 m.

On the family tree it sits in Chasmosaurinae, among the horned dinosaurs.

Close relatives

Agujaceratops

Agujaceratops mariscalensis

Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago

Anchiceratops

Anchiceratops ornatus

Late Cretaceous (Campanian · Maastrichtian) · roughly 83.6 to 66 million years ago

Arrhinoceratops

Arrhinoceratops brachyops

Late Cretaceous (Campanian · Maastrichtian) · roughly 83.6 to 66 million years ago