Articles for category: Prehistoric Land Mammals

blue and white polka dot fish on coral reef

Jurassic Seas: The Era’s Most Incredible Marine Predators

While dinosaurs dominated the land during the Jurassic period, the ancient oceans harbored creatures that would make today’s great white sharks look like minnows. These prehistoric seas, spanning from 201 to 145 million years ago, teemed with marine predators so formidable they could have easily devoured a school bus. The warm, shallow seas of the ...

The Oldest DNA Ever Found—and Why It Had Nothing to Do With Dinosaurs

The Oldest DNA Ever Found—and Why It Had Nothing to Do With Dinosaurs

Picture this: scientists in a frozen wasteland, carefully extracting ancient teeth from permafrost that’s been locked in time for over a million years. They’re not hunting for T-Rex remains or velociraptor claws. Instead, they’re about to make a discovery that would revolutionize our understanding of life on Earth—finding DNA so old it makes even the ...

Top 10 Largest Animals in Earth's History (Spoiler: Number One Is Still Alive)

Top 10 Largest Animals in Earth’s History (Spoiler: Number One Is Still Alive)

When you imagine the biggest creatures that ever lived, your mind probably jumps to dinosaurs stomping across ancient landscapes. But here’s something that might blow your mind: the absolute largest animal that ever existed on our planet isn’t some prehistoric monster that went extinct millions of years ago. It’s swimming in our oceans right now, ...

Repenomamus reconstruction

Did Early Mammals Hunt Dinosaurs in North America? Fossil Clues Suggest Conflict

When we think of the Mesozoic Era, most of us imagine a world dominated by towering dinosaurs, with our mammalian ancestors scurrying underfoot, hiding in the shadows. This traditional narrative portrays early mammals as small, timid creatures that posed no threat to their reptilian counterparts. However, recent paleontological discoveries in North America have begun to ...

animal skeleton

Could Dinosaurs Coexist Peacefully With Other Species?

The question of whether dinosaurs could coexist peacefully with other species invites us to explore a fascinating intersection of paleontology, ecology, and evolutionary biology. For over 165 million years, dinosaurs dominated Earth’s terrestrial ecosystems, living alongside countless other species including early mammals, amphibians, reptiles, and various invertebrates. While Hollywood often portrays dinosaurs as relentless predators ...

Illustration of a giant armadillo with a textured, armored shell and large claws, set against a scenic backdrop of mountains and grassy plains.

Giant Armadillos of the Past Could Crush a Car

In the prehistoric world, long before humans dominated the Earth, ancient relatives of today’s armadillos roamed the Americas’ landscapes as formidable armored tanks. These weren’t the small, cat-sized creatures we know today, but massive beasts that could potentially crush modern vehicles under their weight. Known as glyptodonts, these prehistoric mammals represented one of nature’s most ...