Macrobenthos
Guides
Pycnogonida
sea spiders, pycnogonids, Pantopoda
Pycnogonida is a class of marine arthropods commonly known as sea spiders. Over 1,300 species have been described, ranging in leg span from 1 mm to over 70 cm. They occur in oceans worldwide from shallow coastal waters to deep sea and Antarctic regions. Males possess specialized ovigerous legs for carrying eggs, a distinctive trait among chelicerates.