Noun
any of various usually free-swimming marine coelenterates having a gelatinous medusoid stage as the dominant phase of its life cycle
Source: WordNetScyphozoan jellyfish stings range from a twinge to tingling to agony. Source: Internet
Scyphozoan and hydrozoan larvae have little yolk and most lack endosymbiotic algae, and therefore have to settle quickly and metamorphose into polyps. Source: Internet