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Nodocephalosaurus

Say it: NO-doh-SEF-uh-loh-SORE-us

Name means: “knob headed lizard”1

Ate: PlantsArmoured dinosLate Cretaceous

Nodocephalosaurus was an armoured dinosaur that lived in what is now New Mexico, USA. It had a bony, bumpy head and a club on its tail. This plant-eater walked on four legs and was covered in tough plates.1

Lived

84 to 72 million years ago2

Late Cretaceous

Fossils found in

De-na-zin member of the Kirtland Formation, New Mexico, USA1

Food

Plants2

Length

4.5 m1

estimate by Gregory S. Paul

Weight

1.5 tonnes1

When did it live?

Triassic

Jurassic

Cretaceous

252 million years ago20114566, the asteroid

How big was it?

How long was it?

How heavy was it?

as heavy as 1 cars

as long as 4 dogs nose to tailas long as 25 bananas end to endas heavy as 50 big dogsas heavy as 300 watermelons

How big was Nodocephalosaurus compared to YOU?

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cool stuff

Fun facts

Nodocephalosaurus is known only from a partial skull and some other bones.1

Its skull was covered in bulbous, bony knobs called osteoderms.1

It lived about 73 to 72 million years ago, during the Late Cretaceous.1

Nodocephalosaurus was closely related to another ankylosaur called Akainacephalus.1

The Kirtland Formation where it was found was once a warm, subtropical floodplain.1

AI-made picture of Nodocephalosaurus — An AI-made picture of how Nodocephalosaurus might have looked, made by a computer from what scientists know. It is a guess: the real animal may have looked different, and nobody knows its true colours.

you asked

Most asked questions about Nodocephalosaurus

?How big was Nodocephalosaurus?

About 4.5 metres long and weighed around 1.5 tonnes.1

?What did Nodocephalosaurus eat?

It was a plant-eater (herbivore).2

?Did Nodocephalosaurus have a tail club?

Yes, it had a tail club. Some tail club bones have been found and referred to this dinosaur.1

?When did Nodocephalosaurus live?

It lived about 73 to 72 million years ago, during the Late Cretaceous.1

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For dino experts

Scientific name: Nodocephalosaurus
Named by: Sullivan 19992
Group: Armoured dinos
Family / clade: Ankylosauridae2
Classification: Ornithischia > Ankylosauria > Ankylosauridae > Thyreophora2
Age of the rocks: 84 to 72 million years (Campanian)2
Rock formations: Kirtland2
Countries: USA2
Fossil records: 6 in the Paleobiology Database2
Discovery: The first fossil, a partial skull, was found in 1995 in New Mexico. It was named Nodocephalosaurus kirtlandensis by Robert M. Sullivan in 1999.1
Still debated: Scientists are not sure which tail club bones belong to Nodocephalosaurus, because other ankylosaurs lived in the same area.1

Where the facts come from

Nodocephalosaurus (en.wikipedia.org)
Nodocephalosaurus in The Paleobiology Database (CC BY 4.0): age, places, rock formations, classification.

Every fact on this page has a number that points to its source. If we got something wrong, sorry, we are dino fans, not a science journal. Tell us at [email protected] and we will fix it.

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