Outline: a typical sauropod

Forest Marble Fm., United KingdomNamed 1841

Cardiodon

"heart tooth"

Type species Cardiodon rugulosus

Lived
168 to 165 million years ago, Middle Jurassic
Diet
Herbivore
Group
Sauropods
Found in
United Kingdom
Named by
Owen 1841

Where its fossils were found

The evidence

Today

1 find

165 million years ago

Map: C. R. Scotese, PALEOMAP

Field notes

About Cardiodon

What it was like

Cardiodon is known only from sauropod teeth shaped like a heart in cross section. It was a long-necked plant eater.

Its world

It lived in the Middle Jurassic, in what is now England. It comes from the Forest Marble Formation, where Megalosaurus and the sauropod Cetiosaurus have also been found.

How it was found

Owen named Cardiodon in 1841, making it one of the first sauropods ever named. The type species is Cardiodon rugulosus.

Lived alongside

Found in the same rock formations

Close relatives

Other members of Eusauropoda

Sources: WikidataNamed in: R. Owen. 1841. Odontography; or, a Treatise on the Comparative Anatomy of the Teeth; Their Physiological Relations, Mode of Development, and Microscopic Structure, in the Vertebrate Animals. Part II. Dental System of Reptiles