A. Triassic period and Cretaceous period
B. Jurassic period and Triassic period
C. Triassic period, Jurassic period and cretaceous period
D. cretaceous period and Jurassic period
A. Triassic period and Cretaceous period
B. Jurassic period and Triassic period
C. Triassic period, Jurassic period and cretaceous period
D. cretaceous period and Jurassic period