Английская Википедия:Aequoreidae
Шаблон:Short description Шаблон:Automatic taxobox
Aequoreidae is a family of hydrozoans, sometimes called the many-ribbed jellies or many-ribbed jellyfish.[1][2] There are approximately 30 known species found in temperate and tropical marine coastal environments.[3] Aequoreids include Aequorea victoria, the organism from which the green fluorescent protein gene was isolated.[4]
Polyps
Only the polyp stages of Aequorea species have been observed.[5] The colonies are covered with chitinous periderm and can be either prostrate or erect with weak or sympodial branching.[5] Young Шаблон:Abbr possess [[Hydrotheca|Шаблон:Abbr]] with a closing structure called operculum,[5] which consists of several relatively long triangular folds that meet together in the centre when a disturbed polyp contracts.[5] Because the operculum is quite fragile, hydrothecae of old polyps usually have only a small chitinous collar remaining.[5] Comparatively large cylindrical Шаблон:Abbr are attached to the colony with a thin peduncle.[5] Commonly only one medusa develops in each gonotheca.[5]
Medusae
Mature aequoreid medusae are diverse in shape, from lens-like to conical, and in size.[3] The smallest, Aequerea parva is only 0.6 cm in diameter, while the largest, Rhacostoma atlanticum, can reach 40 cm in diameter.[3][5] The medusae of most species are between 5 and 15 cm in diameter.[3]
Genera
Aequoreidae includes the following genera:[6]
- Aequorea Péron et Lesueur, 1810 – ca. 20 valid species
- Aldersladia Gershwin, 2006 – 1 valid species
- Gangliostoma Xu, 1983 – 2 valid species
- Rhacostoma L. Agassiz, 1850 – 1 valid species
- Zygocanna Haeckel, 1879 – 5 valid species
See also
References
Шаблон:Commons category Шаблон:Wikispecies Шаблон:Reflist
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite book
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