Some species grew to more than six feet (two meters) in length and are considered the largest arthropods ever to have lived. Bearing a resemblance to their scorpion descendents, eurypterids had a ...

Newly described scorpion can spray and inject its venom ... A wide variety of animals, from arthropods to mollusks to mammals, use toxungens in defense and occasionally for hunting.

The giant sea scorpion was an enormous predatory aquatic arthropod. This ancient scorpion reached almost six feet, the size of a modern human, and lived on Earth’s oceans, hunting other ...

from arthropods to mollusks to mammals, use toxungens in defense and occasionally for hunting. These compounds may be sprayed, smeared or passively transmitted. The scorpion is able to deliver ...