Ciona

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Ciona
Cionaintestinalis.jpg
Ciona intestinalis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Tunicata
Class: Ascidiacea
Order: Enterogona
Suborder: Phlebobranchia
Family: Cionidae
Genus: Ciona
Species

Ciona edwardsi
Ciona fascicularis
Ciona gelatinosa
Ciona imperfecta
Ciona intestinalis
Ciona mollis
Ciona savignyi

Ciona is a genus of Cionidae sea squirts.

The body of Ciona is bag-like and covered by a tunic, which is a secretion of the epidermal cells. The body is attached at a permanent base located at the posterior part, and the opposite bears two openings, the buccal (oral) and atrial (cloacal) siphons. The water is drawn into the ascidian through the buccal siphon and leaves the atrium through the atrial siphon.

Genome projects[edit]

As of 2008, the genomes of Ciona intestinalis and Ciona savignyi have been sequenced.

External links[edit]