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Extinct: Prehistoric Marine

Discover strange facts about prehistoric marine life: Megalodon, mosasaurs, plesiosaurs, ichthyosaurs, Dunkleosteus, and the ocean monsters that ruled...

5 articles
Prehistoric Marine Life: Oceanic Predators
Prehistoric Marine

Prehistoric Marine Life: Oceanic Predators

Explore the terrifying marine predators that ruled Earth's ancient oceans for hundreds of millions of years. Expert-written guide covering megalodon, mosasaurs, plesiosaurs, ichthyosaurs, Dunkleosteus, ammonites, trilobites, and Leedsichthys - with fossil evidence, size comparisons, and the science

Feb 25, 2026 18 min read
Megalodon: The Largest Shark Ever
Prehistoric Marine

Megalodon: The Largest Shark Ever

Everything about the megalodon: size, teeth, bite force, habitat, diet, hunting, nursery grounds, extinction, and the strange facts that made Otodus megalodon the largest predatory shark ever to exist.

Jul 20, 2025 13 min read
Mosasaurus: Apex Predator of the Cretaceous
Prehistoric Marine

Mosasaurus: Apex Predator of the Cretaceous

Everything about Mosasaurus: size, habitat, diet, discovery, reproduction, extinction, and the strange facts that made Mosasaurus hoffmannii the apex predator of the late Cretaceous oceans.

May 23, 2025 12 min read
Basilosaurus: The Extraordinary Early Whale
Prehistoric Marine

Basilosaurus: The Extraordinary Early Whale

Everything about Basilosaurus: size, anatomy, hunting, bite force, vestigial hind legs, discovery, and the strange facts that made Basilosaurus cetoides one of the most extraordinary early whales ever found.

Mar 24, 2025 12 min read
Plesiosaur: Ancient Marine Reptile
Prehistoric Marine

Plesiosaur: Ancient Marine Reptile

Everything about plesiosaurs: size, habitat, diet, discovery by Mary Anning, four-flipper flight stroke, live birth, extinction, and why Nessie is not one - a full reference to the ancient long-necked marine reptiles.

Jan 23, 2025 15 min read