Rock unit
Ferris
9 dinosaur genera in Omnisaura with fossils from the Ferris, oldest first. See all rock units.
- DromaeosaurusMatthew and Brown 1922
- ParonychodonCope 1876
- RichardoestesiaCurrie et al. 1990
- PachycephalosaurusBrown and Schlaikjer 1943
- SaurornitholestesSues 1978
- TriceratopsMarsh 1889
- TroodonLeidy 1856
- TyrannosaurusOsborn 1905
- AnkylosaurusBrown 1908