English noun: class Hydrozoa | |||
| 1. | class Hydrozoa (animal) coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes | ||
| Synonyms | Hydrozoa | ||
| Broader (hypernym) | class | ||
| Member holonym | genus Hydra, genus Sertularia, hydroid, hydrozoan, order Siphonophora, Sertularia, Siphonophora | ||
| Member meronym | Cnidaria, Coelenterata, phylum Cnidaria, phylum Coelenterata | ||