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Delapparentia

Say it: del-ap-par-EN-tee-ah

Name means: “named after Albert-Félix de Lapparent, a French palaeontologist”1

Ate: PlantsBeaked plant-eatersEarly Cretaceous

Delapparentia was a huge plant-eating dinosaur that lived in what is now Spain. It walked on four legs but could also stand on two. It was one of the biggest iguanodonts of its time.1

Lived

126 to 121 million years ago2

Early Cretaceous

Fossils found in

Galve, Teruel Province, Spain1

Food

Plants2

Length

10 m1

estimate

Weight

3.5 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 2.5 cars

as long as 2 cars parked in a rowas long as 56 bananas end to endas heavy as 120 big dogsas heavy as 700 watermelons

How big was Delapparentia compared to YOU?

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

cool stuff

Fun facts

Delapparentia was about 15% longer than the famous Iguanodon bernissartensis.1

Its fossils were first found in 1958 by an amateur fossil hunter named José María Herrero Marzo.1

The skeleton is missing the skull, but includes many back bones, ribs, and hip bones.1

Some scientists think Delapparentia might just be an old Iguanodon, but a 2026 study said it is a separate genus.1

It lived about 130 to 127 million years ago during the Early Cretaceous period.1

The hip bone called the ilium was 78 centimetres (31 inches) long.1

AI-made picture of Delapparentia — An AI-made picture of how Delapparentia 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 Delapparentia

?How big was Delapparentia?

About 10 metres long and weighed around 3.5 tonnes.1

?What did Delapparentia eat?

It was a plant-eater, like other iguanodont dinosaurs.1

?When did Delapparentia live?

It lived about 130 to 127 million years ago, during the Early Cretaceous period.1

?Is Delapparentia a dinosaur?

Yes, it is a genus of iguanodont dinosaur.1

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Myth buster

Myth: Some people think Delapparentia is just a copy of Iguanodon.

Truth: Scientists disagree. Some say it is a different dinosaur because its back spines are very tall and its hip bone is shaped differently.1

For dino experts

Scientific name: Delapparentia
Named by: Ruiz-Omeñaca 20112
Group: Beaked plant-eaters
Family / clade: Styracosterna2
Classification: Ornithischia > Ornithopoda > Iguanodontia2
Age of the rocks: 126 to 121 million years (Barremian)2
Rock formations: Camarillas, Blesa2
Countries: Spain2
Fossil records: 2 in the Paleobiology Database2
Discovery: The first fossils were found in 1958 by José María Herrero Marzo. They were later named Delapparentia turolensis by José Ignacio Ruiz-Omeñaca in 2011.1
Still debated: Scientists are not sure if Delapparentia is a separate dinosaur or just an old Iguanodon bernissartensis.1

Where the facts come from

Delapparentia (en.wikipedia.org)
Delapparentia 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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