The Sciences

New Horned Dinosaur Species Used Horn Frills to Drive Diversity and Evolution

Discovery of Lokiceratops rangiformis, a 11,000 pound dinosaur, is helping rewrite the story of dinosaur evolution.

By Paul SmaglikJun 20, 2024 11:30 AM
Lokiceratops rangiformis gen. et sp. nov. (Ceratopsidae: Centrosaurinae) from the Campanian Judith River Formation of Montana reveals rapid regional radiations and extreme endemism within centrosaurine dinosaurs
Lokiceratops rangiformis gen. et sp. nov. (Ceratopsidae: Centrosaurinae) from the Campanian Judith River Formation of Montana reveals rapid regional radiations and extreme endemism within centrosaurine dinosaurs (Credit: Andrey Atuchin)

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Move over Triceratops, there’s a new horn-faced dinosaur in town.

Researchers announced the fossil of an herbivore dinosaur with one of the largest, most ornate “frills” on its skull and two blade-like horns protruding from it, in the scientific journal PeerJ.

Those features inspired its name, Lokiceratops rangiformis, which means “Loki’s horned face that looks like a caribou.” Lokiceratops appeared at least 12 million years earlier than its famous cousin Triceratops and at 22 feet long and 11,000 pounds, was the largest horned dinosaur of its time.

Horns of Plenty

As cool as “Loki’s” name, appearance and relationship to Triceratops is (and the authors do, in fact, acknowledge that coolness) the bigger picture may prove even more fascinating.

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