11. Dinosaurs, according to geological timelines, reigned during the Mesozoic Era . 12. "' Cycadeoidaceae "'is a family of bennettitalean plant which flourished in the Mesozoic era . 13. It lived towards the end of the Mesozoic era . 14. The Triassic, first period of the Mesozoic era followed. 15. Personally I'm somewhat doubtful that any species living today was around in the Mesozoic era . 16. The Jurassic Period is found in the Mesozoic Era , or the Age of the Dinosaurs. 17. A second phase took place during the Mesozoic Era ( before ~ 66 My ). 18. The Mesozoic Gallery features skeletons and models of organisms that lived during the Mesozoic era . 19. During the Mesozoic Era rapid erosion of softer sedimentary rocks re-exposed the older Ocoee Supergroup formations. 20. The crocodile, a species dating from the Mesozoic era , also symbolizes the adaptation and survival ability.