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Gojirasaurus

Say it: go-JEER-ah-SORE-us
Name means: “Godzilla lizard”1
Ate: MeatMeat-eating dinosLate Triassic

Gojirasaurus was a big, meat-eating dinosaur that lived in the Late Triassic Period. It was named after Godzilla, the famous movie monster, because it was one of the biggest hunters of its time.1

Lived
227 to 206 million years ago2
Late Triassic
Fossils found in
New Mexico, USA, in the Bull Canyon Formation1
Food
Meat21
Length
5.5 to 6 m1
estimated from a partial skeleton
Weight
150 kg to 190 kg1

When did it live?

Triassic
Jurassic
Cretaceous
252 million years ago20114566, the asteroid

How big was it?

How long was it?

Gojirasaurus about 6 m longA bicycle about 1.8 mA car about 4.5 mAn elephant, the biggest land animal today about 6.5 mA house about 10 m

How heavy was it?

as heavy as 6 big dogs
as long as 6 dogs nose to tailas long as 33 bananas end to endas heavy as 38 watermelons

How big was Gojirasaurus compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

cool stuff

Fun facts

1

Gojirasaurus was one of the largest meat-eating dinosaurs of the Triassic Period, reaching about 5.5 to 6 metres long.1

2

The name Gojirasaurus comes from 'Gojira', the Japanese name for Godzilla, because it was so big for its time.1

3

The fossil bones show that Gojirasaurus was not fully grown, so it might have been even bigger as an adult.1

4

Gojirasaurus lived about 212 million years ago, in a time when many other strange reptiles lived in the same area.1

5

Its leg bone was thicker and stronger than that of its relative Coelophysis, which helped scientists tell them apart.1

6

The first fossils of Gojirasaurus were found near Revuelto Creek in New Mexico, and they include parts of the shoulder, hip, leg, and ribs.1

AI-madeAI-made picture of Gojirasaurus
An AI-made picture of how Gojirasaurus 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 Gojirasaurus

?Is Gojirasaurus a real dinosaur?

Yes, Gojirasaurus is a real dinosaur that lived in the Late Triassic Period.12

?How big was Gojirasaurus?

It was about 5.5 to 6 metres (18 to 20 ft) long and weighed around 150 to 190 kilograms (330 to 420 lb).12

?What did Gojirasaurus eat?

It was a meat-eater that hunted other animals. Its serrated teeth helped it tear flesh.12

?When did Gojirasaurus live?

It lived about 212 million years ago during the Late Triassic Period.12

?Where was Gojirasaurus found?

Its fossils were found near Revuelto Creek in Quay County, New Mexico, USA.12

?Why is it called Gojirasaurus?

It is named after Godzilla (Gojira in Japanese) because it was one of the biggest hunters of its time.12

?Could Gojirasaurus swim?

Nobody knows for sure. It was probably a land animal, but like many dinosaurs, it might have crossed rivers when needed.1

?Was Gojirasaurus bigger than T. rex?

No, it was much smaller. Gojirasaurus was about 6 metres long, while T. rex was about 12 metres long and much heavier.1

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Myth buster

Myth: Some people think Gojirasaurus was as huge as Godzilla in the movies.

Truth: Gojirasaurus was big for a Triassic dinosaur, but it was only about 5.5 to 6 metres long, much smaller than the movie monster.1

For dino experts

Scientific name
Gojirasaurus
Named by
Carpenter 19972
Group
Meat-eating dinos
Family / clade
Coelophysoidea2
Classification
Theropoda > Coelophysoidea2
Age of the rocks
227 to 206 million years (Norian)2
Rock formations
Bull Canyon2
Countries
USA2
Fossil records
1 in the Paleobiology Database2
Discovery
Gojirasaurus was named by Kenneth Carpenter in 1997, based on a partial skeleton found in Quay County, New Mexico. The bones were first mentioned in the 1980s, and a scientist tried to name it 'Revueltoraptor' in 1994, but that name was never officially used.1
Still debated
Scientists are still debating whether Gojirasaurus is a valid genus or just a large example of another dinosaur like Coelophysis.1

Where the facts come from

  1. Gojirasaurus (en.wikipedia.org)
  2. Gojirasaurus 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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