17 Dino-mite Leyesaurus Facts That Kids Will Love


The Leyesaurus formed an Extinct genus of the Massospondylidae family. The name Leyesaurus originates from the Leyes family of the town Balde de Leyes who collected the dinosaur holotype. The specific name of the type species Leyesaurus marayensis refers to Marayes-El Carrizal Basin, the place from where the fossils were collected.

Leyesaurus Interesting Facts

How do you pronounce 'Leyesaurus'?

Leyesaurus is pronounced as 'Ley-e-sor-us'.

What type of dinosaur was a Leyesaurus?

The Leyesaurus is a small sauropodomorph that lived in northwestern Argentina during the Latest Triassic.

In which geological period did the Leyesaurus roam the Earth?

The Leyesaurus lived during the Lower Jurassic period on Earth, the fossils dating back to the Latest Triassic era.

When did the Leyesaurus become Extinct?

It is unknown when Leyesaurus became Extinct.

Where did Leyesaurus live?

The Leyesaurus fossils were discovered from the Quebrada del Barro Formation of South America. They lived around the region of Marayes-El Carrizal Basin in the San Juan Province of northwestern Argentina.

What was the Leyesaurus' habitat?

They lived in the terrestrial habitats of Argentina that show varied diversity.

Who did the Leyesaurus live with?

The Leyesaurus skeleton belongs to a single specimen, and there is no indication of the herding behavior of the dinosaur.

How long did a Leyesaurus live?

Paleontologists have not estimated their lifespan yet.

How did they reproduce?

They are oviparous in nature.

Leyesaurus Fun Facts

What did the Leyesaurus look like?

A nearly complete skull of the Leyesaurus was found that was 7 in (18 cm) in length. The genus is closely related to Adeopapposaurus. It is not known if they had feathers.

The Leyesaurus is known from the skull and its postcranial remains.


How many bones did a Leyesaurus have?

The discovered fossils of the genus include the skull and mandible along with some postcranial remains.

How did they communicate?

It is not known how they communicated.

How big was the Leyesaurus?

Paleontologists estimated the length of the Leyesaurus to be around 8 ft (2.5 m).

How fast could a Leyesaurus move?

The speed of this animal has not been calculated.

How much did a Leyesaurus weigh?

The total weight of the dinosaur is unknown.

What were the male and female names of the species?

Both male and female species were known as Leyesaurus.

What would you call a baby Leyesaurus?

A baby Leyesaurus is called a nestling.

How aggressive were they?

Leyesaurus was herbivore in nature that used to eat plants and fruits. They were less aggressive and were threatened by the theropods.

Did You Know…

The Leyesaurus was named by some renowned personalities like Oscar A. Alcober, Ricardo N. Martinez,  Diego Pol, and Cecilia Apaldetti.  

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


Subscribe for virtual tools, STEM-inspired play, creative tips and more

By joining Kidadl you agree to Kidadl’s and and consent to receiving marketing communications from Kidadl.