Prehistoric Life Mesozoic
Prehistoric Life 
Prehistoric Life 【Life of the Cretaceous】Spinosaurus – Its Bones Lost to an Air Raid, Its True Shape Still Unsettled
Prehistoric Life 【Life of the Cretaceous】Tyrannosaurus – Named Three Times, and the Newest Name Stuck
Earth Timeline Earth Timeline Series – Index
Earth Timeline 【Earth Timeline 10】The Triassic Period – Filling the Seats Left Empty by Extinction
Earth Timeline 【Earth Timeline 11】The Jurassic Period – When Dinosaurs Took the Lead on Land
Earth Timeline 【Earth Timeline 12-1】The Cretaceous Period – When Flowers Bloomed and Feathers Spread
Earth Timeline