Coahuilaceratops
Coahuilaceratops was a horned dinosaur that lived in what is now Mexico. It had huge horns on its face, as big as those of Triceratops. This dinosaur was a plant-eater that roamed the land about 71 to 70 million years ago.12
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Fun facts
Coahuilaceratops had horns that were about 0.91 to 1.22 meters (3 to 4 feet) long, as big as those of Triceratops.1
Its name means 'horned face from Coahuila', after the Mexican state where it was found.1
Its fossils were discovered in 2001 by Claudio de Leon near Porvenir de Jalpa, Coahuila.1
Scientists think Coahuilaceratops may be an early relative of Triceratops.3
Most asked questions about Coahuilaceratops
?How big was Coahuilaceratops?
An adult was about 6.7 meters (22 feet) long, 1.8 to 2.1 meters (6 to 7 feet) tall at the shoulders and hips, and probably weighed about 4 to 5 metric tons. Another estimate says it was about 4 meters (13 feet) long and weighed 1 to 1.5 metric tons.14
?What did Coahuilaceratops eat?
It was a plant-eater, like other horned dinosaurs.4
?When did Coahuilaceratops live?
It lived about 71.5 to 70.5 million years ago, during the Late Cretaceous period.1
?Where was Coahuilaceratops found?
Its fossils were found in Coahuila, Mexico, near the town of Porvenir de Jalpa.1
?Why did Coahuilaceratops have such big horns?
Scientists are not sure, but the most widely accepted idea is that the horns were used to attract mates and fight with rivals of the same species.4
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For dino experts
- Scientific name
- Coahuilaceratops
- Named by
- Loewen et al. 20105
- Group
- Horned dinos
- Family / clade
- Ceratopsidae5
- Classification
- Ornithischia > Ceratopsia > Ceratopsidae5
- Age of the rocks
- 72 to 66 million years (Maastrichtian)5
- Countries
- Mexico5
- Fossil records
- 1 in the Paleobiology Database5
- Discovery
- Coahuilaceratops was named by Mark A. Loewen and colleagues in 2010. The fossils were found in 2001 and dug up in 2003 in Coahuila, Mexico.12
- Still debated
- Scientists are not sure exactly how big Coahuilaceratops was, because different estimates give lengths from 4 to 6.7 meters.1
Where the facts come from
- Coahuilaceratops (en.wikipedia.org)
- PBDB Taxon (paleobiodb.org)
- Stratigraphic Reassessment of the Mexican Chasmosaurine Coahuilaceratops magnacuerna as the First Diagnostic Dinosaur Remains from the Cerro Huerta Formation (Lower Maastrichtian) Supporting the Southern Origin of the Triceratopsini (dinosaurier-info.de)
- First horned dinosaur from Mexico (phys.org)
- Coahuilaceratops in The Paleobiology Database (CC BY 4.0): age, places, rock formations, classification.
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