Scientists believe that dinosaurs lived in 3 geologic periods: triassic cretaceous & this one

Below you can find the Scientists believe that dinosaurs lived in 3 geologic periods: triassic cretaceous & this one Jeopardy Words Answer. The answer to Scientists believe that dinosaurs lived in 3 geologic periods: triassic cretaceous & this one has 8 letters. This clue belongs to the Dinosaurs category and is part of Jeopardy Word Level 1185. If you scroll near the bottom you will find other clues and answers part of level 1185