Dinosaur Discovery on MSN

When rivers were ruled by giant sea scorpions

Long before dinosaurs, some rivers were anything but safe. Giant eurypterids, often called sea scorpions, thrived in prehistoric waterways. Some species grew longer than a human and dominated as apex ...
Dinosaur Discovery on MSN

How a long-lost river became one of prehistory’s deadliest places

Hundreds of millions of years ago, a prehistoric river system became home to some of the largest arthropods ever to exist. Fossils reveal massive sea scorpion-like predators moving through shallow ...
WBAL

Human-Sized Sea Scorpion: What Scientists Learned from the Fossil

(NEW YORK) — If you think scorpions are scary now, wait until you get a look at their human-sized prehistoric cousins. The Pentecopterus, named after a Greek warship that resembles the outline of the ...
insider.si.edu

The Terrifying Giant Scorpion That Roamed Prehistoric Oceans

CC0 Usage Conditions ApplyClick for more information. The largest prehistoric sea scorpion, Eurypterids, was more than 7-feet long - and was almost 1,000 times the weight of the largest scorpion alive ...