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meaning: "Titan horned face"
Named By: Nicholas R. Longrich in 2011
Time Period: Late Cretaceous, 74.73-73.55 Ma
Location: USA, New Mexico
Size: Skull estimated about 2.4-2.6 meters long
Diet: Herbivore
Fossil(s): Partial skull, mandible (lower jaw) as well as post cranial remains
Classification: | Chordata | Reptilia | Dinosauria | Ornithischia | Ceratopsia | Ceratopsidae | Chasmosaurinae | Triceratopsini |

Titanoceratops ( meaning "titanic horn face") is a genus of herbivorous ceratopsian dinosaur. It was a giant chasmosaurine ceratopsian that lived during the Late Cretaceous period (late Campanian, 74.7-73.5 Ma, although it could have lived as late as 72.82 Ma) in what is now New Mexico, and the earliest known member of Triceratopsini. It was named in 2011 by Nicholas R. Longrich for a specimen previously thought to belong to Pentaceratops. Titanoceratops was named for its giant skull, and the type species was named T. ouranos, after the father of the Greek titans.

It is known solely from the holotype OMNH 10165, a partial skeleton including a mostly complete skull and jaws. The skeleton has a reconstructed skull measuring 2.65 metres (8.7 ft) long, which makes it an easy candidate for the longest skull of any land vertebrate. With an estimated weight of 6.55 tonnes (6.45 long tons) and length of 6.8 metres (22.3 ft), Titanoceratops can compare to the giant sizes of Torosaurus and Triceratops.

The holotype skeleton, OMNH 10165, was found in the upper layers of the Fruitland Formation, or the lower layers of the Kirtland Formation. The border between the two formations is very bold, but the location of the original quarry has been lost, so it is not certainly known whether of not Titanoceratops is known from either formation. Either way, the formations are both from the Kirtlandian land-vertebrate age, latest Campanian in age.

Read more about Titanoceratops at Wikipedia
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