Hydrozoa

Synonyms

Hydrozoan

Hydrozoans

Hydrozoas

Liriope tetraphylla

Liriope tetraphyllas

Man-of-War, Portuguese

Man-of-Wars, Portuguese

Physalia

Physalia physali

Physalia physalis

Physalias

Portuguese Man of War

Portuguese Man-of-War

Portuguese Man-of-Wars

physali, Physalia

tetraphyllas, Liriope

A class in the phylum CNIDARIA which alternates between polyp and medusa forms during their life cycle. There are over 2700 species in five orders.