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Quaesitosaurus

Mounted skeleton of Giganotosaurus, a giant carnivorous dinosaur
Photo: Rjcastillo, CC BY-SA 4.0, via Wikimedia Commons
Pronunciation
kway-ZEE-tuh-SAWR-us
Name means
Abnormal Lizard
Diet
Herbivore
Posture
Quadrupedal
Period
Late Cretaceous
Length
65 feet (19.8 meters)
Height
25 feet (7.6 meters)

Order: Saurischia · Suborder: Sauropodomorpha · Infraorder: Sauropoda · Family: Diplodocidae

Quaesitosaurus was a diplodocid, one of a group of long-necked sauropods with tapering, whip-like tails. The animal is known only from a partial skull, which displays unusual features, such as structures indicating sensitive hearing. Some even believe it to be the same genus as Nemegtosaurus.

Restoration of Brachiosaurus, a giant long-necked sauropod
Photo: Gunnar Bivens, CC BY-SA 4.0, via Wikimedia Commons

More Cretaceous-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 Quaesitosaurus mean?

The name Quaesitosaurus means “Abnormal Lizard”. It is pronounced kway-ZEE-tuh-SAWR-us.

When did Quaesitosaurus live?

Quaesitosaurus lived during the Late Cretaceous.

Was Quaesitosaurus a carnivore or a herbivore?

Quaesitosaurus was a herbivore.

How big was Quaesitosaurus?

Quaesitosaurus was about 65 feet (19.8 meters) long, around 25 feet (7.6 meters) tall.

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Other dinosaurs from the Diplodocidae family.

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