Image by LancianIdolatry · CC BY-SA 4.0 · View on Wikimedia Commons
Richardoestesia
Carnivore
There is no write-up for this dinosaur yet, but the scientific data below is complete.
Who lived alongside it
Dinosaurs found in the same rock formation as Richardoestesia (Hell Creek, Dinosaur Park), so they lived in the same region at roughly the same time.
Triceratops
Cretaceous
Saurornitholestes
Cretaceous
Paronychodon
Cretaceous
Troodon
Cretaceous
Edmontosaurus
Cretaceous
Tyrannosaurus
Cretaceous
Centrosaurus
Cretaceous
Thescelosaurus
Cretaceous
Formation data from the Paleobiology Database, counting only each genus's main formations. One formation can span hundreds of thousands to millions of years, so this doesn't mean any two of them ever met.
Scientific details
- Classification
- Theropod (two-legged predators)
- Family
- Dromaeosauridae
- When it lived
- 66–154.8 million years ago
- Geologic stages
- Kimmeridgian – Maastrichtian
- Named by
- Currie et al., 1990
- Fossil occurrences
- 239 sites
Countries with fossils
- Canada
- Spain
- France
- Mexico
- Portugal
- Romania
- Russia
- United States
- Uzbekistan
Data from Paleobiology Database and Wikidata