Hydrozoa — synonyms, definition
1. Hydrozoa (Noun)
2 synonyms
class Hydrozoa hydroids
2 definitions
Hydrozoa (Noun) — Coelenterates typically having alternation of generations; hydroid phase is usually colonial giving rise to the medusoid phase by budding: hydras and jellyfishes.
Hydrozoa (Noun) — Colonial coelenterates having the polyp phase dominant.
3 types of
class cnidarians coelenterates
4 types
hydras planulae sertularians siphonophores
5 parts
Sertularia Siphonophora genus Hydra genus Sertularia order Siphonophora
4 parts of
Cnidaria Coelenterata phylum Cnidaria phylum Coelenterata