Crossword Heaven

Answer: TRIASSIC

TRIASSIC is a crossword puzzle answer that we have spotted 9 times.

• Period of the first dinosaurs
• Arizona's Petrified Forest dates from this period
• Very old
• Post-Permian period
• Geologic period
• Period bookended by extinction events
• Period in which dinosaurs appeared
• First period of the Mesozoic Era
• Period when mammals first appeared