Sea Nettle, East Coast. Sea Nettle, Atlantic . Atlantic Sea Nettle . Atlantic Sea Nettles . Chrysaora quinquecirrhas . Nettle, Atlantic Sea . Nettles, Atlantic Sea . Sea Nettles, Atlantic . quinquecirrhas, Chrysaora . Chrysaora quinquecirrha . Species of jellyfish, in the family Pelagiidae, order Semaeostomeae, class SCYPHOZOA. Their painful sting is caused by a venom toxic to humans. . 0.60