Cadillacs And Dinosaurs: The Second Cataclysm The Xenozoic age q world 600 years in the future, where dinosaurs of the past co-exist with men and woman of the future in a desperate struggle for survival. Cadillacs tenrec and hannah dundee race through treacherous jungle full of poachers, predators and un-nature hazards, to stop the second cataclysm and restore the planet's nature balance.