Types of Dinosaurs.

Dinosaur quick-reference sheet

The three periods, how to read a dinosaur name, and how carnivores and herbivores differ — on one page. Free.

Free, and your email stays private — unsubscribe in one click anytime.
HomeDinosaurs › Callovosaurus

Callovosaurus

Restoration of Carnotaurus, a horned theropod from the Cretaceous
Photo: Andrey Atuchin, CC BY-SA 4.0, via Wikimedia Commons
Pronunciation
cuh-LOW-vuh-SAWR-us
Name means
Callovian Lizard
Diet
Herbivore
Posture
Bipedal
Period
Middle Jurassic
Length
9 feet (2.7 meters)
Height
4 feet (1.2 meters)
Weight
125 lbs (56.7 kg)

Order: Ornithischia · Suborder: Ornithopoda · Infraorder: Iguanodontia

Callovosaurus is known from incomplete material discovered in England. It is the earliest known member of theiguanodont family, members of which walked on their hind legs but descended to all fours when feeding.

Mounted Parasaurolophus skeleton, a crested duck-billed dinosaur
Photo: Lisa Andres from Riverside, USA, CC BY 2.0, via Wikimedia Commons

More Jurassic-period dinosaurs →

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 Callovosaurus mean?

The name Callovosaurus means “Callovian Lizard”. It is pronounced cuh-LOW-vuh-SAWR-us.

When did Callovosaurus live?

Callovosaurus lived during the Middle Jurassic.

Was Callovosaurus a carnivore or a herbivore?

Callovosaurus was a herbivore.

How big was Callovosaurus?

Callovosaurus was about 9 feet (2.7 meters) long, around 4 feet (1.2 meters) tall, weighing up to 125 lbs (56.7 kg).

Related dinosaurs

Other dinosaurs from the same period.

Compare the dinosaurs

See size, diet, period and family for hundreds of dinosaurs side by side.

Compare dinosaurs →

Dinosaur quick-reference sheet

The three periods, how to read a dinosaur name, and how carnivores and herbivores differ — on one page. Free.

Free, and your email stays private — unsubscribe in one click anytime.
We use cookies to measure site traffic. See our Privacy Policy.