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bird-hipped dinosaur · Doubtful name
Trimucrodon
Say it like this: “try-MYOO-kro-don”
Trimucrodon cuneatus
Trimucrodon ate plants and walked on two legs. It lived in the Late Jurassic. Bones have been found in Portugal.
- When
- Late Jurassic (Kimmeridgian) · roughly 154.8 to 149.2 million years ago
- Named in
- 1973 · Thulborn, R. A.
- Hip height
- Not established
- Length
- 2 m · 7 ft
- Weight
- Not established
- Found in
- Portugal · Lourinhã
- Food and walking
- Herbivore · Two legs
- Kind
- bird-hipped dinosaur · Ornithischian
- Family branch
- Ornithischia
The story in short
In 1973, R. A. Thulborn published the name Trimucrodon. The name means “three-pointed tooth.”
Fossils referred to Trimucrodon date to the Late Jurassic (Kimmeridgian), roughly 154.8 to 149.2 million years ago. Finds come from Portugal, including the Lourinhã Formation. It was a herbivore and walked on two legs.
Published estimates put Trimucrodon at a length near 2 m.
On the family tree it sits in Ornithischia, among the bird-hipped dinosaurs.
Close relatives
Alocodon
Alocodon kuehnei
Middle Jurassic · Late Jurassic (Callovian · Oxfordian) · roughly 165.3 to 154.8 million years ago
Amtosaurus
Amtosaurus magnus
Late Cretaceous (Cenomanian · Turonian) · roughly 100.5 to 89.8 million years ago
Archaeocursor
Archaeocursor asiaticus
Early Jurassic (Sinemurian · Pliensbachian) · roughly 199.5 to 184.2 million years ago