Ojinaga Formation


The Ojinaga Formation is a Mesozoic geologic formation. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.

Vertebrate paleofauna

Invertebrate paleofauna

Inoceramus sp.Globochaete alpinaFavusella iltermanneHedbergella sp.Sacoccoma sp.Rotalipora sp.Heterohelix sp.Leoblichaella cf. bentonensisClavihedbergella sp.Mammites nodosidesCollignomiceras chispaensePryonocycloceras gabrielensisTexanites stangeriTexanites densicostatusSubmortoniceras tequesquitenseInoceramus undulatuplicatusPlacenticeras planumEutrephoceras dekayiEutrephoceras alcesenseBaculites sp.Exogyra poderosa