About 470 million years ago, 7-foot-long arthropods ruled the water in what is now Morocco
Exquisitely preserved fossils in Morocco suggest that some of the earliest arthropods were nearly 7 feet (2 meters) long — gigantic in comparison with the shrimps, insects and spiders that are descendants of these early invertebrates, according to a new study.
7-foot-long arthropods commanded the sea 470 million years ago, 'exquisite' fossils show



