Dinosaurs · Armoured dinosaur

Spicomellus

Say it SPY-co-MEL-lus. The name means ‘spiked collar’.

Spicomellus 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
Walked: On 4 legs
When: Mid Jurassic167 to 163 million years ago
Fossils found in: Morocco
Named by: Maidment and colleagues (2021)
Family tree: Dinosauria › Ornithischia › Thyreophora › Ankylosauria

Where Spicomellus 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

Other armoured dinosaurs

Huayangosaurus Mid Jurassic
Chungkingosaurus Late Jurassic
Yingshanosaurus Late Jurassic
Tuojiangosaurus Late Jurassic
Kentrosaurus Late Jurassic
Dacentrurus Late Jurassic
Gargoyleosaurus Late Jurassic
Hesperosaurus Late Jurassic

Source: Spicomellus 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.