Earlier by catprog
Triassic by catprog
Lower/Early Triassic (Scythian) by catprog
Middle Triassic (Tr2) by catprog
Upper/Late Triassic (Tr3) by catprog
Jurassic by catprog
Lower/Early Jurassic by catprog
Middle Jurassic by catprog
Upper/Late Jurassic by catprog
Cretaceous by catprog
Upper/Late Cretaceous by catprog
Triceratops by catprog
Lower/Early Cretaceous by catprog