Vortisaurs

Vortisaurs were basically Time Pterodactyls. They lived inside the Time Vortex itself and were large enough to ride on.

The Eighth Doc and Tamsin match wits with a felonious Monk and his baritone protégé

The 8th Doctor and Lucie Miller crash a garden party, ride Pterodactyl-like creatures and meet Miss Marple in this lovely audiobook adventure.

It's a Doc-Past!