Look up · dinosaur 992 of 1,425
beaked plant-eater
Planicoxa
Say it like this: “plan-i-KOHK-suh”
Planicoxa venenica
Planicoxa ate plants and walked on two legs. It lived in the Early Cretaceous. Bones have been found in the United States.
- When
- Early Cretaceous (Aptian) · roughly 121.4 to 113.2 million years ago
- Named in
- 2001 · DiCroce, T.; Carpenter, K.
- Hip height
- 1.4 m · 5 ft
- Length
- 4.5 m · 15 ft
- Weight
- 450 kg · 992 lb
- Found in
- the United States · Cedar Mountain
- Food and walking
- Herbivore · Two legs
- Kind
- beaked plant-eater · Ornithopod
- Family branch
- Styracosterna
The story in short
Planicoxa was formally named in 2001 by T. DiCroce and K. Carpenter.
It lived in the Early Cretaceous (Aptian), roughly 121.4 to 113.2 million years ago. Finds come from the United States, including the Cedar Mountain Formation. It was a herbivore and walked on two legs.
Published estimates put Planicoxa at a length near 4.5 m, hips about 1.4 m high, and a body mass around 450 kg.
On the family tree it sits in Styracosterna, among the ornithopod dinosaurs.
Close relatives
Bayannurosaurus
Bayannurosaurus perfectus
Early Cretaceous (Aptian) · roughly 121.4 to 113.2 million years ago
Calvarius
Calvarius rapidus
Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
Cedrorestes
Cedrorestes crichtoni
Early Cretaceous (Aptian) · roughly 121.4 to 113.2 million years ago