UTAH
SUMMIT COUNTY
COALVILLE
KELVIN FORMATION
BERRIASIAN STAGE
LOWER NEOCOMIAN SUBEPOCH
LOWER EARLY CRETACEOUS EPOCH- APTIAN STAGE
MIDDLE GALLIC SUBEPOCH
EARLY CRETACEOUS EPOCH
EARLY CRETACEOUS-ALBIAN STAGE
MIDDLE GALLIC SUBEPOCH
UPPER EARLY CRETACEOUS EPOCH
MIDDLE EARLY CRETACEOUS
VETEROVATA
OOSUPERCOHORT: DINOSAURIOVUM VIALOV, 1975
Incertae sedis
Gen. sp indet.
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