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| {{Taxobox | {{Taxobox | ||
| | color = pink | |||
| | name = Hydroida | | name = Hydroida | ||
| | image = Haeckel Anthomedusae.jpg | | image = Haeckel Anthomedusae.jpg | ||
Revision as of 01:19, 28 February 2008
| Hydroida | |
|---|---|
| |
| "Anthomedusae" from Ernst Haeckel's Kunstformen der Natur, pubilshed 1904 | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Cnidaria |
| Class: | Hydrozoa |
| Order: | Hydroida |
| Suborders and Families | |
Hydroida is a cnidarian order which includes hydras, hydromedusae, and many marine attached hydroids, many of which grow up into large, elegantly branched forms. All the zooids of a colony are asexually produced from one parent zooid.
Examples of animals in the order Hydroida 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.