Something ancient has awakened beneath the ice—and the ocean has unleashed one of its oldest, deadliest killers.

Beneath the Antarctic ice shelf, a catastrophic fracture of an ice shelf releases something that should not exist: a living Basilosaurus, an toothed whale predator thought extinct for over thirty million years. When the colossal creature slips into open water, the consequences ripple outward—first in the deep, then along the world's coastlines.

As unexplained attacks claim a deep-sea diver and later a California surfer, evidence recovered from the wreckage tells a chilling story: metal crushed as if by a biological vise, bite patterns that match no living predator. NOAA calls in two experts—marine paleontologist Dr. Laura Keating and cetacean specialist Dr. Evan Holt—to identify the impossible. What they uncover challenges everything modern science believes about extinction, evolution, and the hidden resilience of ancient life. Sonar anomalies spread across the Pacific. Governments grow nervous. And somewhere beneath the surface, the Basilosaurus hunts—not blindly, but with terrifying purpose.

Blending hard science with relentless suspense, Basilosaurus is a modern marine techno-thriller that plunges readers into the crushing depths of the ocean, where humanity is no longer the apex species—and survival depends on understanding a predator older, larger, and more patient than anything alive today.

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