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plated dinosaur
Thyreosaurus
Say it like this: “TIE-ree-o-SOR-us”
Thyreosaurus atlasicus
Thyreosaurus ate plants and walked on four legs. It lived in the Middle Jurassic. Bones have been found in Morocco.
- When
- Middle Jurassic (Bathonian · Callovian) · roughly 168.2 to 161.5 million years ago
- Named in
- 2024 · Zafaty, O.; Oukassou, M.; Riguetti, F.; Company, J.; Bendrioua, S.; Tabuce, R.; Charrière, A.; Pereda-Suberbiola, X.
- Hip height
- Not established
- Length
- 6 m · 20 ft
- Weight
- Not established
- Found in
- Morocco · El Mers III
- Food and walking
- Herbivore · Four legs
- Kind
- plated dinosaur · Stegosaur
- Family branch
- Dacentrurinae
The story in short
In 2024, O. Zafaty and colleagues published the name Thyreosaurus.
Fossils referred to Thyreosaurus date to the Middle Jurassic (Bathonian · Callovian), roughly 168.2 to 161.5 million years ago. Finds come from Morocco, including the El Mers III Formation. It was a herbivore and walked on four legs.
Published estimates put Thyreosaurus at a length near 6 m.
On the family tree it sits in Dacentrurinae, among the plated dinosaurs.
Close relatives
Adratiklit
Adratiklit boulahfa
Middle Jurassic (Bathonian · Callovian) · roughly 168.2 to 161.5 million years ago
Dacentrurus
Dacentrurus armatus
Late Jurassic (Kimmeridgian · Tithonian) · roughly 154.8 to 143.1 million years ago
Miragaia
Miragaia longicollum
Late Jurassic (Kimmeridgian · Tithonian) · roughly 154.8 to 143.1 million years ago