Taxonomia

• Lineage:
• Root
/
• Animalia
/
• Cnidaria
/
• Hydrozoa
/
• Anthoathecata
/
• Hydridae
/
• Hydra

Hydra (genus)

• speciesHydra americana
• speciesHydra beijingensis
• speciesHydra canadensis
• speciesHydra cauliculata
• speciesHydra circumcincta
• speciesHydra daqingensis
• speciesHydra hadleyi
• speciesHydra harbinensis
• speciesHydra hymanae
• speciesHydra iheringi
• speciesHydra intaba
• speciesHydra intermedia
• speciesHydra japonica
• speciesHydra liriosoma
• speciesHydra madagascariensis
• speciesHydra mariana
• speciesHydra minima
• speciesHydra mohensis
• speciesHydra oligactis
• speciesHydra oregona
• speciesHydra oxycnida
• speciesHydra paludicola
• speciesHydra parva
• speciesHydra plagiodesmica
• speciesHydra robusta
• speciesHydra rutgersensis
• speciesHydra salmacidis
• speciesHydra umfula
• speciesHydra utahensis
• speciesHydra viridissima
• speciesHydra vulgaris