Hydra (genus)

Hydra
Klasifikasi ilmiah
Kerajaan:	Animalia
Upakerajaan:	Eumetazoa
Filum:	Cnidaria
Subfilum:	Medusozoa
Kelas:	Hydrozoa
Ordo:	Anthomedusae
Subordo:	Capitata
Famili:	Hydridae
Genus:	Hydra Linnaeus, 1758<ref>Schuchert, P. (2011). P. Schuchert, ed. "Hydra Linnaeus, 1758". World Hydrozoa database. World Register of Marine Species. Diakses tanggal 2011-12-20.
Species
Hydra americana Hydra attenuata (atau Hydra vulgaris) Hydra canadensis Hydra carnea Hydra cauliculata Hydra circumcincta Hydra hymanae Hydra crasts Hydra littoralis Hydra magnipapillata Hydra minima Hydra oligactis Hydra oregona Hydra pseudoligactis Hydra rutgerensis Hydra utahensis Hydra viridis Hydra viridissima Hydra vulgaris