Penelopognathus

Say it: pen-eh-LOP-og-NATH-us

Name means: “wild duck jaw”1

Ate: PlantsBeaked plant-eatersEarly Cretaceous

Penelopognathus belongs to the group: Beaked plant-eaters. Its fossils come from rocks about 121 to 113 million years old.3

Lived

121 to 113 million years ago3

Early Cretaceous

Most fossils found in

China3

Food

Plants2

When did it live?

Triassic

Jurassic

Cretaceous

252 million years ago20114566, the asteroid

cool stuff

Fun facts

Penelopognathus lived about 121 to 113 million years ago, during the Aptian stage of the Early Cretaceous.2

Scientists think Penelopognathus was a relative of later duck-billed dinosaurs like Edmontosaurus.1

The name Penelopognathus comes from Greek words meaning 'wild duck jaw'.1

This dinosaur was named after David Weishampel, a famous expert on duck-billed dinosaurs.1

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

?What did Penelopognathus eat?

Penelopognathus was an herbivore, meaning it ate plants. Its teeth were adapted for chewing plant material.3

?How big was Penelopognathus?

Penelopognathus grew up to about 5 metres (16 ft) long and around 2 metres (6.6 ft) tall when fully grown.1

?When did Penelopognathus live?

Penelopognathus lived during the Early Cretaceous, about 121 to 113 million years ago, in the Aptian stage.3

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For dino experts

Scientific name: Penelopognathus
Named by: Godefroit et al. 20053
Group: Beaked plant-eaters
Family / clade: Hadrosauroidea3
Classification: Ornithischia > Ornithopoda > Iguanodontia3
Age of the rocks: 121 to 113 million years (Aptian)3
Rock formations: Bayangobi3
Countries: China3
Fossil records: 1 in the Paleobiology Database3
Discovery: Penelopognathus was named in 2005 by paleontologists Pascal Godefroit, Li, and Shang, based on a jaw fossil found in the Bayan Gobi Formation of Inner Mongolia, China.1
Still debated: Scientists are not sure exactly how Penelopognathus is related to other duck-billed dinosaurs. Some studies place it close to Telmatosaurus, while others suggest different relationships.1

Where the facts come from

Penelopognathus (en.wikipedia.org)
PBDB Taxon (paleobiodb.org)
Penelopognathus 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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