hydrozoa
See also: Hydrozoa
English
Etymology
From (deprecated template usage) [etyl] Ancient Greek ὕδρος (húdros, “water snake”) (from (deprecated template usage) [etyl] Ancient Greek ὕδωρ (húdōr, “water”)) + ζῷον (zôion, “animal”).
Noun
- A large group of marine animals, of the class Hydrozoa, whose life cycles contain a sexual and asexual stage