Dyoplosaurus

Say it like this: “DIE-o-plo-SAWR-us”

Dyoplosaurus acutosquameus

Dyoplosaurus ate plants and walked on four legs. It lived in the Late Cretaceous. Bones have been found in Canada.

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When: Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Named in: 1924 · Parks, W. A.
Hip height: 1 m · 3 ft
Length: 4–4.5 m · 13–15 ft
Weight: 1.2 tonnes
Found in: Canada · Dinosaur Park
Food and walking: Herbivore · Four legs
Kind: armored dinosaur · Ankylosaur
Family branch: Ankylosaurinae

The story in short

The genus Dyoplosaurus dates to 1924, the year W. A. Parks described it.

Fossils referred to Dyoplosaurus date to the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from Canada, including the Dinosaur Park Formation. It was a herbivore and walked on four legs.

Published estimates put Dyoplosaurus at a length near 4–4.5 m, hips about 1 m high, and a body mass around 1.2 tonnes.

On the family tree it sits in Ankylosaurinae, among the armored dinosaurs.

Close relatives

Akainacephalus

Akainacephalus johnsoni

Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago

Ankylosaurus

Ankylosaurus magniventris

Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago

Anodontosaurus

Anodontosaurus lambei

Late Cretaceous (Campanian · Maastrichtian) · roughly 83.6 to 66 million years ago