callovian age造句

例句与造句

1. These fast-moving nektonic carnivores lived during the Jurassic period, in the upper Callovian age.
2. These fast-moving nektonic carnivores lived during the Middle Jurassic period, from the Bathonian age to the Callovian age.
3. The geology of Bridport comprises rocks formed in the Pliensbachian, Toarcian, Aalenian, Bajocian, Bathonian and Callovian ages of the Cornbrash limestone and Kellaways Formation to the south of Bothenhampton parish church.
4. During the Middle Jurassic Bathonian and Callovian ages the stretching of the crust between North and South America created a broad basin within the continental crust that opened initially to the Pacific Ocean and later to the Atlantic Ocean.
5. It's difficult to find callovian age in a sentence. 用callovian age造句挺难的