Rock unit
Lance Formation
25 dinosaur genera in Omnisaura with fossils from the Lance Formation, oldest first. See all rock units.
- HadrosauropodusLockley et al. 2003
- DromaeosaurusMatthew and Brown 1922
- NodosaurusMarsh 1889
- ParonychodonCope 1876
- PectinodonCarpenter 1982
- RichardoestesiaCurrie et al. 1990
- EdmontosaurusLambe 1917
- DryptosaurusMarsh 1877
- EdmontoniaSternberg 1928
- OrnithomimusMarsh 1890
- PachycephalosaurusBrown and Schlaikjer 1943
- PanoplosaurusLambe 1919
- SaurexallopusHarris 1997
- SaurornithoidesOsborn 1924
- StenonychosaurusSternberg 1932
- StruthiomimusOsborn 1916
- ThescelosaurusGilmore 1913
- TorosaurusMarsh 1891
- TriceratopsMarsh 1889
- TroodonLeidy 1856
- TyrannosaurusOsborn 1905
- AcheroraptorEvans et al. 2013
- AnkylosaurusBrown 1908
- LeptoceratopsBrown 1914
- NanotyrannusBakker et al. 1988