Hydrozoa
WordNet
noun
(1) Coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes
WiktionaryText
Proper noun
Hydrozoa
See also
- Actinulida
- Capitata
- Conica
- Chondrophora
- Filifera
- Hydroida
- Laingiomedusae
- Limnopolypae
- Narcomedusae
- Proboscoida
- Siphonophora
- Trachymedusae