Diazona violacea | |
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The ascidian Diazona violacea, Firth of Lorne, Scotland, 20 m | |
Scientific 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] | |
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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]
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.
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]
Clavelinidae is a family of tunicates in the order Aplousobranchia. It describes a group of marine animals.
Diazonidae is a family of sea squirts belonging to the order Aplousobranchia.
Clavelina sabbadini is a species of tunicate, in the genus Clavelina. Like all ascidians, these sessile animals are filter feeders.
Nephtheis fascicularis, commonly called the lollipop tunicate, lollipop coral, or blue palm coral, is a species of tunicate that is native to the shallow reefs of Indonesia. It is the only species in its genus Nephtheis. They are not photosynthetic, and live on plankton and small organic particles obtained from the water currents. The branched stems are formed by tiny polyps called zooids.
Phallusia is a genus of tunicates of the family Ascidiidae, which includes the following species:
Rhopalaea crassa, sometimes called the blue ascidian, is a species of tunicate in the family Diazonidae. It can reach a length of five centimetres and lives in the Indo-West Pacific.
Diazona is a genus of tunicates in the family Diazonidae.
Arnbackia is a genus of ascidian tunicates in the family Styelidae. The only species is Arnbackia novaezelandiae.
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Dextrocarpa is a genus of ascidian tunicates in the family Styelidae.
Kukenthalia is a genus of ascidian tunicates in the family Styelidae.
Oligocarpa is a genus of ascidian tunicates in the family Styelidae.
Podostyela is a genus of ascidian tunicates in the family Styelidae. The only species is Podostyela grynfeltti.
Syncarpa is a genus of ascidian tunicates in the family Styelidae.
Theodorella is a genus of ascidian tunicates in the family Styelidae.
Anomopera is a genus of ascidian tunicates in the family Molgulidae. Anomopera ingolfiana is the only described species of Anomopera.
Namiella is a genus of ascidian tunicates in the family Molgulidae. The only species is Namiella bistigmata.
Protomolgula is a genus of ascidian tunicates in the family Molgulidae.
Bathypyura is a genus of ascidian tunicates in the family Pyuridae.
Perophora listeri is a species of colonial sea squirt in the genus Perophora, native to the North Atlantic.