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Panoplosaurus

Restoration of armoured Ankylosaurus with bony plates and a club tail
Photo: PaleoNeolitic, CC BY-SA 4.0, via Wikimedia Commons
Pronunciation
pan-OP-luh-SAWR-us
Name means
(Fully) Armored Lizard
Diet
Herbivore
Posture
Quadrupedal
Period
Late Cretaceous
Length
23 feet (7 meters)
Height
7 feet (2.1 meters)
Weight
6,000 pounds (2,720 kg)

Order: Ornithischia · Suborder: Thyreophora · Infraorder: Ankylosauria · Family: Nodosauridae

Once thought to be the same as Edmontonia, it is probably a different genus. Panaoplosaurus and Edmontoniaare found in Alberta, Canada, Montana and Texas. It had rows of thick bony plates which covered its pear-shaped head and its neck, back, and tail. Long spikes protected its sides and shoulders, but its tail, like those of all nodosaurids, was club less. Panoplosauruswas one of the last of the North American nodosaurids.

Mounted Parasaurolophus skeleton, a crested duck-billed dinosaur
Photo: Lisa Andres from Riverside, USA, CC BY 2.0, 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 Panoplosaurus mean?

The name Panoplosaurus means “(Fully) Armored Lizard”. It is pronounced pan-OP-luh-SAWR-us.

When did Panoplosaurus live?

Panoplosaurus lived during the Late Cretaceous.

Was Panoplosaurus a carnivore or a herbivore?

Panoplosaurus was a herbivore.

How big was Panoplosaurus?

Panoplosaurus was about 23 feet (7 meters) long, around 7 feet (2.1 meters) tall, weighing up to 6,000 pounds (2,720 kg).

Related dinosaurs

Other dinosaurs from the Nodosauridae family.

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