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sharp-clawed runner
Mexidracon
Say it like this: “MEK-si-DRAY-kon”
Mexidracon longimanus
Mexidracon ate plants and walked on two legs. It lived in the Late Cretaceous. Bones have been found in Mexico.
- When
- Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
- Named in
- 2025 · Serrano-Brañas, C. I.; Espinosa-Chávez, B.; de León-Dávila, C.; Maccracken, S. A.; Barrera-Guevara, D.; Torres-Rodríguez, E.; Prieto-Márquez, A.
- Hip height
- Not established
- Length
- Not established
- Weight
- Not established
- Found in
- Mexico · Cerro del Pueblo
- Food and walking
- Herbivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Ornithomimidae
The story in short
In 2025, C. I. Serrano-Brañas and colleagues published the name Mexidracon. The name means “mexican dragon.”
Fossils referred to Mexidracon date to the Late Cretaceous (Campanian), roughly 83.6 to 72.2 million years ago. Finds come from Mexico, including the Cerro del Pueblo Formation. It was a herbivore and walked on two legs.
The fossils of Mexidracon are too incomplete for a responsible length, hip height, or weight, so those fields are left blank on purpose.
On the family tree it sits in Ornithomimidae, among the theropod dinosaurs.
Close relatives
Aepyornithomimus
Aepyornithomimus tugrikinensis
Late Cretaceous (Campanian) · roughly 83.6 to 72.2 million years ago
Anserimimus
Anserimimus planinychus
Late Cretaceous (Maastrichtian) · roughly 72.2 to 66 million years ago
Archaeornithomimus
Archaeornithomimus asiaticus
Late Cretaceous (Coniacian · Santonian · Campanian) · roughly 89.8 to 72.2 million years ago