Diazona violacea
The ascidian Diazona violacea, Firth of Lorne, Scotland, 20 m
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Subphylum: Tunicata
Class: Ascidiacea
Order: Aplousobranchia
Family: Diazonidae
Genus: Diazona
Species:
D. violacea
Binomial name
Diazona violacea
Synonyms[2]
  • Diazona hebridica (Forbes, 1853)
  • Syntethys hebridica Forbes & Goodsir, 1853

Diazona violacea is a species of tunicate, an ascidian in the family Diazonidae.[2][3] It is the type species of the genus Diazona.[4]

Distribution

This species is known from the northeast Atlantic from the British Isles to Portugal, and in the Mediterranean Sea. In the British Isles it is found off Scotland, Ireland and SW England.[3] It is a cold water species found below 30 m in Plymouth but as shallow as 15 m in Scotland.

Description

This colonial ascidian is translucent grey with transparent zooids. The zooids are marked with white internal lines and circles and there are typically six spots around the exhalant siphon.[5]

References

  1. ↑ Savigny, (1816) Mémoires sur les animaux sans vertèbres. Paris, 1816
  2. 1 2 Shenkar N, Gittenberger A, Lambert G, Rius M, Moreira Da Rocha R, Swalla BJ, Turon X, eds. (2022). "Diazona violacea Savigny, 1816". Ascidiacea World Database. World Register of Marine Species. Retrieved 27 January 2022.
  3. 1 2 "Diazona violacea Savigny, 1816". Global Biodiversity Information Facility. Retrieved 27 January 2022.
  4. ↑ Shenkar N, Gittenberger A, Lambert G, Rius M, Moreira Da Rocha R, Swalla BJ, Turon X, eds. (2022). "Diazona Savigny, 1816". Ascidiacea World Database. World Register of Marine Species. Retrieved 27 January 2022.
  5. ↑ Picton, B.E. & Morrow, C.C. (2015). Diazona violacea Savigny, 1816. [In] Encyclopedia of Marine Life of Britain and Ireland. Accessed on 2015-12-23
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