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・ Hydrophis stricticollis
・ Hydrophis viperinus
・ Hydrophobe
・ Hydrophobia
・ Hydrophobia (video game)
・ Hydrophobic collapse
・ Hydrophobic concrete
・ Hydrophobic effect
・ Hydrophobic light-activated adhesive
・ Hydrophobic mismatch
・ Hydrophobic silica
・ Hydrophobic soil
・ Hydroid (botany)
・ Hydroid (zoology)
・ Hydroid dermatitis
Hydroida
・ Hydroidea
・ Hydroides
・ Hydroides norvegica
・ Hydroinformatics
・ Hydrokenoelsmoreite
・ Hydrolaetare
・ Hydrolaetare dantasi
・ Hydrolaetare schmidti
・ Hydrolagus
・ Hydrolagus melanophasma
・ Hydrolagus mitsukurii
・ Hydrolase
・ Hydrolastic
・ Hydrolea


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Hydroida : ウィキペディア英語版
Hydroida

Hydroida is an obsolete cnidarian order which united such animals as hydras, hydromedusae, and many marine attached hydroids. However, the group is paraphyletic and not composed from close relatives. But for the largest part, this group makes up what today is usually considered the subclass Leptolinae (or Hydroidolina) which also includes the colonial jellies of the Siphonophora which were not part of the Hydroida.
The "hydroid" cnidarians typically which grow up into large, elegantly branched forms. All the zooids of a colony are asexually produced from one parent zooid.
Examples of "hydroids" are:
*''Craspedacusta sowerbyi'', the freshwater "jellyfish"
*''Hydra''
*Air ferns, novelty "plants" and aquarium ornaments.
*''Obelia''
*''Aequorea victoria'' of the suborder Leptomedusae, the crystal jelly- a bioluminescent jellyfish.
== References ==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Hydroida」の詳細全文を読む



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