Udanoceratops (/"U-dan-oh-SER-ah-tops"/; "Udan Sayr horned face") is a large dinosaur from the Late Cretaceous period of Mongolia. It is a member of the Leptoceratopsidae family and shares similarities with other North American leptoceratopsids. Its fossils have been discovered in the Djadokhta Formation. It's estimated to have been around 13.6 ft long.

Description and Classification

Udanoceratops belonged to the Ceratopsia, the group of horned, frilled dinosaurs that includes iconic dinosaurs like Triceratops. It is placed within the Leptoceratopsidae, as the only Asian representative at the time, along with the North American Leptoceratops, Montanoceratops and Prenoceratops.

Distinguishing Features

Despite its resemblance to Leptoceratops, which it may be descended from, it was a much larger, more robust animal with a proportionally longer snout. Like other ceratopsians, it had a beak-like mouth and leaf-shaped teeth but lacked the characteristic horns or elaborate frills.

Paleoenvironment and Diet

The Djadokhta Formation represents a diverse ecosystem during the Late Cretaceous period. Udanoceratops, as a herbivore, would have fed on a variety of ferns, cycads, and conifers.

Significance and Ongoing Research

Here's why Udanoceratops is an important find:

  • Ceratopsian Origins: It provides valuable insights into the early evolution and diversification of ceratopsian dinosaurs. At its time, Udanoceratops was the largest leptoceratopsid known.
  • Dinosaur Diversity: The presence of Udanoceratops highlights the diversity of dinosaurs that existed before the K-Pg extinction event.

Future research on Udanoceratops and other leptoceratopsids may help illuminate the origin of the famous horned ceratopsians that appeared later in the Cretaceous period.

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