Zoologist Nigel Marvin travels back in time to visit deadly creatures of the prehistoric oceans.
Nigel travels back in time to the seventh deadliest sea of all time, the Ordovician period (450 million years ago), where he is attacked by sea scorpions and comes face-to-face wi…
Leaving the Devonian, Nigel travels forward in time to the fourth deadliest sea, the Eocene (36 million years ago), where he encounters the strange elephant-related Arsinoitherium…
After leaving the Pliocene, Nigel explores the second deadliest sea, the Jurassic (155 million years ago). There, he meets the giant filter-feeding fish Leedsichthys and predators…
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