The Silurian pet was, according to one account, a Tyrannosaurus rex, (PROSE: Doctor Who and the Cave-Monsters) although according to another it was unlike any dinosaur the Third Doctor had seen before. (TV: Doctor Who and the Silurians)

It was preserved from extinction by the Silurians and revived with them in the 20th century, where it guarded the caves underneath Wenley Moor.

Major Baker was attacked and wounded by the creature after he fired upon a Silurian he had seen. (TV: Doctor Who and the Silurians)

Behind the scenes[edit | edit source]

  • The dinosaur featured in Doctor Who and the Silurians was made by visual effects assistant Anna Baybrooke, and operated by visual effects assistant Bertram A Collacott. The character was listed as "Bertram, the Friendly Monster" on script cast lists, played by "himself". (REF: Who-ology: The Official Miscellany)
  • In the original television story, the Theropod species of this creature was left unclear, however the novelisation stated that it was in fact a T-Rex. However, this is still never made clear in the original episode, and is in fact rather unlikely given that the Doctor claims to not recognise it from the Mesozoic period. The implication is that this is some new species specially engineered by the Silurians themselves. However, the novel alters this, explicitly identifying in multiple places its species as one of the most iconic of real world dinosaurs, and removing the Doctor’s line about unfamiliarity with it.
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