Cretaceous

The Cretaceous was a period in early Earth history spanning from 136,000,000 to 65,000,000 BC, (PROSE: The Universal Databank ^[+]Loading...["The Universal Databank (reference book)"]) in which the dinosaurs, such as tsintaosaurus, dsungaripterus, protoceratops, velociraptor, ankylosaurs, tyrannosaurs, bactrosaurs and Alioramus, thrived. (PROSE: Living in the Past ^[+]Loading...["Living in the Past (short story)"])

During this time, Silurians kept dinosaurs as pets. (GAME: Lost in Time ^[+]Loading...["Lost in Time (video game)"], AUDIO: Symmetry of Death ^[+]Loading...["Symmetry of Death (audio story)"]) Madame Vastra grew up in the Cretaceous period, (AUDIO: Symmetry of Death ^[+]Loading...["Symmetry of Death (audio story)"]) 65 million years before the 19th century. (AUDIO: The Cars That Ate London! ^[+]Loading...["The Cars That Ate London! (audio story)"], The Ghosts of Greenwich ^[+]Loading...["The Ghosts of Greenwich (audio story)"]) However, according to other accounts, the Silurians were contemporaneous with early man. (TV: Doctor Who and the Silurians ^[+]Loading...["Doctor Who and the Silurians (TV story)"])

Ace once asked the Seventh Doctor if they could visit Earth during the upper Cretaceous, a time which the Doctor, considered a "very good time for dinosaurs". (TV: The Happiness Patrol ^[+]Loading...["The Happiness Patrol (TV story)"]) Later, the Doctor dropped off Ace in the Cretaceous period, then travelled on his own for a time. (COMIC: Train-Flight ^[+]Loading...["Train-Flight (comic story)"]) He eventually returned to Mongolia in the upper Cretaceous, around 75,000,000 BC. Along the way he encountered a pit of dholes and an alien slave who had escaped from a nearby construction site. Ace arrived with a herd of dinosaurs to trample the site, destroying it and freeing the slaves. (PROSE: Living in the Past ^[+]Loading...["Living in the Past (short story)"])

On another occasion, the Sixth Doctor guessed the First Rani had popped back to the Cretaceous age to collect embryos of the Tyrannosaurus rex. (TV: The Mark of the Rani ^[+]Loading...["The Mark of the Rani (TV story)"]) Later, the Time Lady meant to use a Time Manipulator to come back to this age and avert the extinction of the dinosaurs (TV: Time and the Rani ^[+]Loading...["Time and the Rani (TV story)"]) which happened around 65,000,000 BC. (TV: Earthshock ^[+]Loading...["Earthshock (TV story)"])