Rock unit
Two Medicine
29 dinosaur genera in Omnisaura with fossils from the Two Medicine, oldest first. See all rock units.
- PrismatoolithusZhao and Li 1993
- SpheroolithusZhao 1979
- ContinuoolithusZelenitsky et al. 1996
- ParonychodonCope 1876
- RichardoestesiaCurrie et al. 1990
- AchelousaurusSampson 1994
- AcristavusGates et al. 2011
- BrontotholusWoodruff et al. 2025
- CerasinopsChinnery and Horner 2007
- CorythosaurusBrown 1914
- DaspletosaurusRussell 1970
- EiniosaurusSampson 1994
- EuoplocephalusLambe 1910
- GremlinRyan et al. 2023
- GryposaurusLambe 1914
- HypacrosaurusBrown 1913
- MaiasauraHorner and Makela 1979
- MontanoolithusZelenitsky and Therrien 2008
- OohkotokiaPenkalski 2014
- OrnithomimusMarsh 1890
- OrodromeusHorner and Weishampel 1988
- PanoplosaurusLambe 1919
- PrenoceratopsChinnery 2004
- ProsaurolophusBrown 1916
- RubeosaurusMcDonald and Horner 2010
- SaurornitholestesSues 1978
- TriprismatoolithusJackson and Varricchio 2010
- TroodonLeidy 1856
- TubercuoolithusJackson and Varricchio 2010