Dinosaurs · Armoured dinosaur

Silvisaurus

Say it sil-vi-sore-us. The name means ‘forest lizard’.

Silvisaurus beside a person 1.75 m tall. Ticks mark every metre.Body shape drawn for this site, showing the general build of armoured dinosaurs

Length: 4 m
Diet: Plant-eater
When: Early Cretaceous121 to 112 million years ago
Fossils found in: USA
Named by: Eaton (1960)
Family tree: Dinosauria › Ornithischia › Thyreophora › Ankylosauria › Nodosauridae

Where Silvisaurus sits in the age of dinosaurs.Periods from the ICS chart; dinosaur dates from the Natural History Museum

Armoured dinosaurs. Plated and armoured plant-eaters, such as Stegosaurus and the ankylosaurs. See all 33

Lived at the same time

Sauropelta · same country
Tenontosaurus · same country
Zephyrosaurus · same country
Acrocanthosaurus · same country
Deinonychus · same country
Archaeoceratops
Atlascopcosaurus
Equijubus

Other armoured dinosaurs

Gobisaurus Early Cretaceous
Minmi Early Cretaceous
Sauropelta Early Cretaceous
Shamosaurus Early Cretaceous
Polacanthus Early Cretaceous
Nodosaurus Early Cretaceous
Cedarpelta Early Cretaceous
Gastonia Early Cretaceous

Source: Silvisaurus in the Natural History Museum Dino Directory, read 12 November 2026. Sizes are the museum's estimates for a typical adult. "Lived at the same time" lists dinosaurs whose dates overlap, which does not always mean they met.