dinosaur era

• JurassicDinosaur-dominated geological period
• CretaceousFinal Mesozoic period
• TriassicFirst Mesozoic period
• prehistoricBefore documented civilization
• fossilPreserved ancient organism

extinction · meteor · asteroid · reptile · pterodactyl · velociraptor · brontosaurus · fern · swamp · volcanic · primordial · ancient · scales · bones · megafauna · amber · predator · herbivore

• Prehistoric Timesprehistory, ancient times, Stone Age, Bronze Age, Iron Age
• Earth historyice age, geological time, extinction, eons, fossil
• Petrified Forestpetrified wood, fossilized wood, ancient trees, Painted Desert, Triassic