shallow and highly productive seas during the Late Cretaceous

sharing its habitat with other marine reptiles and terrestrial dinosaurs

Its shadow briefly falls over the Bravoceratops pair as it passes by

el Mercuriceratops gemini era un dinosaurio relativamente pequeño en comparación con otros ceratópsidos

Sea levels were much higher than today

Utahraptor ostrommaysi Variant:Primed shallow and highly productive seasUtahraptor ostrommaysi was one of the largest known dromaeosaurids and one of the most representative predators of the Early Cretaceous of North America. Its remains come from the Cedar Mountain Formation in eastern Utah, especially from the Yellow Cat Member, in deposits associated with continental environments of floodplains, river channels, and semi arid ecosystems with seasonal wetlands. Formally described by Kirkland, Gaston, and Burge in 1993,