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Thescelosaurus

Mounted Tyrannosaurus rex skeleton on display in a museum hall
Gary Todd, public domain, via Wikimedia Commons
Pronunciation
theh-SEL-uh-SAWR-us
Name means
Marvelous Lizard
Diet
Herbivore
Posture
Bipedal
Length
11.5 feet (3.5 meters)
Height
3 feet (0.9 meters) at the hips

Order: Ornithischia · Suborder: Ornithopoda · Family: Hypsilophodontidae

Thescelosaurus has been found in South Dakota, Montana, Wyoming, Alberta and Saskatchewan, Canada. an ornithopod that closely resembled Parksosaurus, Thescelosaurus had five toes on each foot with hoof-like claws, a long tail, and rows of bony studs down its back.

Triceratops skull showing the three horns and large bony frill
Photo: Vicpeters, CC BY 4.0, via Wikimedia Commons

Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.

Frequently asked questions

What does Thescelosaurus mean?

The name Thescelosaurus means “Marvelous Lizard”. It is pronounced theh-SEL-uh-SAWR-us.

Was Thescelosaurus a carnivore or a herbivore?

Thescelosaurus was a herbivore.

How big was Thescelosaurus?

Thescelosaurus was about 11.5 feet (3.5 meters) long, around 3 feet (0.9 meters) at the hips tall.

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Other dinosaurs from the Hypsilophodontidae family.

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