Fun Lewisuchus Facts For Kids | Kidadl


Fun Lewisuchus Facts For Kids

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Lewisuchus Admixtus is a prime example of a silesaurid dinosauriform.

The Lewisuchus belongs to a family of early archosaurs that are a sister group of the dinosaurs. The fossil of the Lewisuchus was recovered from the Chanares Formation in Argentina.

The first fossil specimen of this creature from Argentina consisted of only a partial skull while the new specimens consisted of cranial bones, a femur, and lower forelimbs. Finding this creature was one of the amazing discoveries that could lead to more answers about the origin of dinosaurs and about the evolution of dinosaurs.

Fun Lewisuchus Facts For Kids

What did they prey on?


What did they eat?


Average litter size?


How much did they weigh?


How long were they?

3.3 ft (1 m)

How tall were they?


What did they look like?

Short bipedal reptiles, narrow heads, spines

Skin Type


What were their main threats?


Where were they found?



La Rioja Province (Argentina)









Scientific Name

Lewisuchus admixtus 

How scary were they?


How loud were they?


How intelligent were they?


Lewisuchus Interesting Facts

How do you pronounce 'Lewisuchus'?

The name of this creature is pronounced as 'Lew-is-uh-kus'. This species' name was derived from Arnold D. Lewis, who discovered the skeleton of this creature.

What type of dinosaur was a Lewisuchus?

The Lewisuchus is a Silesauridae, a type of non-dinosaur dinosauriform.

In which geological period did the Lewisuchus roam the Earth?

These creatures possibly roamed the earth during the Early Carnian stage of the Late Triassic Period.

When did the Lewisuchus become extinct?

The Lewisuchus was active around 236-234 million years ago, thus, they possibly went extinct before the middle of the Carnian stage.

Where did Lewisuchus live?

The Lewisuchus was found in the Chanares Formation of Argentina, thus, it is believed that the creatures used to reside in the same location in the then supercontinent of Pangaea.

What was the Lewisuchus' habitat?

Not much is known about the world of the Lewisuchus, however, most of the land in Pangaea near oceanic bodies during the Upper Triassic and Late Triassic Period consisted of alluvial plains. The locality and strata of La Rioja Province in Argentina where the specimen samples have been uncovered also show signs of being near the ocean.

Who did the Lewisuchus live with?

Due to the lack of data, paleontologists do not yet have an understanding of the social habits of Lewisuchus.

How long did a Lewisuchus live?

The lifespan of this archosaur species is a complete mystery as no evidence has been found that could help in pinpointing the real or estimated lifespan.

How did they reproduce?

There is not enough information regarding the reproductive process of the Lewisuchus.

Lewisuchus Fun Facts

What did the Lewisuchus look like?

The Lewischus were small bipedal archosaurs with narrow heads.

Reading about Lewischus is fun.

How many bones did a Lewisuchus have?

The bone composition of this dinosaur has not been found because of a lack of fossil findings.

How did they communicate?

The communication method of these archosaurs has not been defined as of yet, but visual communication is thought to be a common communication method.

How big was the Lewisuchus?

The Lewisuchus was about 3.3 ft (1 m) long and is thus almost half the size of an average Guaibasaurus, which were around 6.6 ft (2 m) in length.

How fast could a Lewisuchus move?

Due to the lack of data on the features of Lewisuchus, the exact speed is hard to determine.

How much did a Lewisuchus weigh?

Due to the lack of research on this subject, the exact weight is hard to determine.

What were the male and female names of the species?

No particular name was assigned to either sex.

What would you call a baby Lewisuchus?

A baby Lewisuchus has not been given any specific name.

How aggressive were they?

It is said that this species was carnivorous in nature, thus, the Lewisuchus might have been aggressive to other similar sized-creatures and smaller prey.

Did You Know…

An unnamed skull of Lewisuchus was once mistaken to be a part of the fossil specimen of another Late Triassic archosaur but later evidence showed the matrix to contain two taxa.

*We've been unable to source an image of Lewisuchus and have used an image of Zalmoxes instead. If you are able to provide us with a royalty-free image of Lewisuchus, we would be happy to credit you. Please contact us at [email protected]

*We've been unable to source an image of Lewisuchus and have used an image of Lesothosaurus instead. If you are able to provide us with a royalty-free image of Lewisuchus, we would be happy to credit you. Please contact us at [email protected]

Written By
Moumita Dutta

Moumita is a multilingual content writer and editor. She has a PostGraduate Diploma in sports management, which enhanced her sports journalism skills, as well as a degree in journalism and mass communication. She's good at writing about sports and sporting heroes. Moumita has worked with many soccer teams and produced match reports, and sports is her primary passion.

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