Ciona (lat.) - a genus of tunic from the class of ascidians (Ascidiacea). Possess a bag-shaped body covered with a tunic . They lead an attached way of life, on the end of the body facing away from the substrate they carry two siphons: oral, through which the body absorbs water, and atrial (cloacal), through which water is released from the body. In 2008, the genomes of two species of the genus were completely sequenced: Ciona intestinalis and Ciona savignyi .
| Ciona | |||||||||||||||||||||||
 Ciona intestinalis | |||||||||||||||||||||||
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Ciona Fleming , 1822 | |||||||||||||||||||||||
Classification
As of May 2018, the genus includes 15 species [1] :
- Ciona antarctica Hartmeyer, 1911
- Ciona edwardsi Roule, 1884
- Ciona fascicularis (Hancock, 1870)
- Ciona gefesti Sanamyan, 1998
- Ciona gelatinosa Bonnevie, 1896
- Ciona hoshinoi C. Monniot, 1991
- Ciona imperfecta C. Monniot et F. Monniot, 1977
- Ciona intestinalis (Linnaeus, 1767)
- Ciona longissima Hartmeyer, 1899
- Ciona mollis Ritter, 1907
- Ciona pomponiae C. Monniot et F. Monniot, 1989
- Ciona robusta Hoshino & Tokioka, 1967
- Ciona roulei Lahille, 1887
- Ciona savignyi (Herdman, 1882)
- Ciona sheikoi Sanamyan, 1998
Notes
- β Genus Ciona (eng.) In the World Register of Marine Species . (Checked June 19, 2018) .
Links
- JGI Ciona intestinalis , genome.