Coelenterate Genus
- genus Hydra
Hydras.
- Sertularia
Sessile hydroid that forms feathery colonies.
Also contains
- hydrozoan
Colonial coelenterates having the polyp phase dominant.
- Siphonophora
Marine colonial hydrozoans.
Hydras.
Sessile hydroid that forms feathery colonies.
Colonial coelenterates having the polyp phase dominant.
Marine colonial hydrozoans.