Hydroider
Hydroida
Siphonophora (blæremaneter)
Portugisisk krigsskip
Hydra
Milleporina
Stylasterina
Pteromedusae
Trachylina (trachyliner)
Chondrophora
Siphonophora
Hydrozoer
Trachylina
Småmaneter
Hydrozoa
Kolonimaneter
Blæremaneter
Trachyliner
Polyorchidae
Hydrozoa (småmaneter)
Cnidaria
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