Named after the Swiss mountain range in which it was originally formulated by Abraham Werner, this is, for 10 points, which middle period of the Mesozoic Era found between the Triassic and the Cretaceous?
New species that appeared during this period include coralline algae and the invertebrate rudists and belemnites. The Morrison Formation was formed during it as a remnant of the Sundance Sea, while other geographic developments include the formation of the Gulf of Mexico and the splitting of Pangaea into Laurasia and Gondwana. Named after the Swiss mountain range in which it was originally formulated by Abraham Werner, this is, for 10 points, which middle period of the Mesozoic Era found between the Triassic and the Cretaceous?
New species that appeared during this period include coralline algae and the invertebrate rudists and belemnites.
Jurassic Period