Prehistoric Life Cretaceous
Prehistoric Life 
Prehistoric Life 【Life of the Cretaceous】Triceratops – Was Torosaurus Just an Old Triceratops?
Prehistoric Life 【Life of the Cretaceous】Velociraptor – The Movie Raptor Was a Different Dinosaur
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
Prehistoric Life 【Life of the Ordovician】Nautilus – A New Ancient Creature Driven into the Deep
Earth Timeline 【Earth Timeline 12-1】The Cretaceous Period – When Flowers Bloomed and Feathers Spread
Earth Timeline