How Big Were Crocodiles in Ancient Times?

Crocodiles are one of the oldest living reptiles, with a history dating back more than 200 million years. These prehistoric creatures have survived through the ages, adapting to changing environments, and evolving into the formidable predators we know today. But just how big were crocodiles in ancient times?

Size Comparison of Ancient Crocodiles

To answer that question, we need to look at the various species of crocodiles that existed in ancient times. One of the largest known species was Sarcosuchus, also known as “SuperCroc.”

This massive reptile lived during the early Cretaceous period, about 112 million years ago and is estimated to have been around 40 feet long and weighed up to 8 tons! That’s almost as long as a school bus and heavier than an adult elephant.

Comparing SuperCroc with Modern Crocodiles

To put this into perspective, let’s compare it to modern-day crocodiles. The saltwater crocodile is considered to be one of the largest living reptiles in the world and can grow up to 23 feet long and weigh over a ton. The Nile crocodile, found in Africa, can reach lengths of up to 20 feet and weigh over 1,500 pounds.

Other Large Ancient Crocodile Species

But Sarcosuchus wasn’t the only massive crocodile species that ever existed. Deinosuchus lived during the Late Cretaceous period about 75 million years ago and grew up to 33 feet long!

Purussaurus was another large species that lived during the Miocene epoch about 6 million years ago in South America. It grew up to 40 feet in length and weighed over two tons.


In conclusion, ancient crocodiles were much larger than their modern-day counterparts. These prehistoric reptiles were massive predators that ruled the waterways of their time. While crocodiles have evolved over millions of years, they still remain one of the most feared predators in the animal kingdom.