Jurassic Period

noun a type of large carnivorous dinosaur that lived during the late Jurassic period

• The allosaurus was a large carnivorous dinosaur that roamed the Earth during the late Jurassic period.
• Did you know that the allosaurus was one of the biggest meat-eating dinosaurs?
• That allosaurus was a real beast, huh?
• Facing that challenge felt like going up against an allosaurus in the wild.

noun Aalenian

• The Aalenian stage is a subdivision of the Middle Jurassic period.
• I read that the Aalenian stage is from the Middle Jurassic period.
• Yo, did you know about the Aalenian stage in the Middle Jurassic period?
• Just like how the Aalenian stage marks a specific time period, we all have our own defining moments in life.