Discovering Archelon: A Prehistoric Marvel
Archelon, the largest marine turtle known to science, thrived in the Late Cretaceous period, around 70-80 million years ago. Measuring up to 15 feet long and weighing approximately 2 tons, this ancient ocean giant rivaled the size of today’s Mercedes-Benz S-Class sedan.
A Shell Like No Other
Unlike modern turtles with rigid shells, Archelon’s carapace was a bony framework covered with leathery skin. This innovative design combined strength with flexibility, enabling better buoyancy and swimming efficiency—a vital adaptation for dominating prehistoric seas.
Apex Survival in the Cretaceous
Inhabiting the shallow seas of what is now North America, Archelon’s immense size offered protection from predators. It likely feasted on soft-bodied prey like squid and jellyfish, playing a crucial role in its marine ecosystem.
Why Did Archelon Disappear?
Archelon vanished during the mass extinction at the end of the Cretaceous period. Environmental shifts and changing ecosystems likely contributed to its decline, leaving behind only fossilized remains to tell its story.
Fun Facts
- Shell Size Matters: Archelon’s carapace spanned over 13 feet—big enough to double as a dinner table for a family feast!
- Fossil Fame: The first Archelon fossils were unearthed in South Dakota, revealing that prehistoric oceans once covered vast regions of the U.S. Midwest.
- Living Relatives: Archelon’s closest living relatives are leatherback sea turtles, significantly smaller and lacking its unique bony shell.
For more breathtaking tales of ancient life, explore our “Prehistoric Wonders” section and uncover the secrets of Earth’s distant past!
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