Marine Animals

Eight of the Most Nightmarish Prehistoric Animals

There's been life on earth for about four billion years, and a lot of it has been freaking terrifying. Great job, evolution, we’ll all be having bad dreams tonight. 1. Basilosaurus basilosaurus.png © The Field Museum, GEO86500_166d, Photographer Karen Carr, artist.

Illustration of a black squid with red eyes

Inside the World of the Elusive Vampire Squid

Vampire squids live in a world totally alien to us, and almost qualify as alien themselves. They spend most of their lives floating in the ocean’s deep, dark, midwater depths that don’t have much oxygen. A vampire squid brought onboard a ship by a trawl is black with a huge pointed beak—an infernal appearance if there ever was one. Despite their threatening appearance, studies of this ancient group (we think they had their heyday during the time of the dinosaurs) have improved our knowledge of cephalopod evolution.

Four Fossil Sharks That Are Cooler Than Megalodon

Megalodon is the T. rex of the prehistoric shark world—it might have looked like a Great White, only way, way bigger, and it’s everybody’s favorite. It’s had its moment in the sun, even starring in a fake Shark Week documentary saying that it’d been found in modern waters (don’t worry—megalodon has been extinct for millions of years). But The Field Museum is home to some really bizarre sharks that lived millions of years before dinosaurs were even a twinkle in the universe’s eye.

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