Dinosaur: Richardoestesia isosceles
Cretaceous: 86.3–66 Ma
| Length*: | 1.5 m | 4.9 ft |
| Weight*: | 6 kg | 13 lb |
*The largest known specimen
Period
Epoch: Late Cretaceous
Stage: Late Santonian-Maastrichtian
Years: 86.3–66 Ma
Details
Status: valid
Author: Sankey
Year: 2001
Distribution
Area: North America
Country: USA, Canada, Mexico
Region: Texas, New Mexico, Wyoming, Montana, North Dakota, South Dakota, Alberta, Saskatchewan, Chiapas
Formation: Aguja, Menefee, Mesaverde, Judith River, Hell Creek, Lance, Milk River, Foremost, Dinosaur Park, Frenchman, Horseshoe Canyon, Scollard, Ocozocoautla
Sources
Material: Many teeth.
References: Mortimer - Theropod database (online).
Sankey, (2001). Late Campanian southern dinosaurs, Aguja Formation, Big Bend, Texas.
Rubén Molina-Pérez & Asier Larramendi (2019) Dinosaur Facts and Figures: The Theropods and Other Dinosauriformes.
Locations
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