A bryozoan (Cylindroporella tubulosa)
|Researched by||Michelle Carter||Refereed by||Admin|
|Other common names||-||Synonyms||-|
Recorded distribution in Britain and IrelandA very rare species in the British Isles with isolated records in the Shetland Islands and Loch Eriboll, Scotland. These localities probably reflect the southern limit of this species.
Global distributionAn Arctic, circumpolar species. It has been recorded around the Barents, Kara, Chukotsk, Bering and Okhotsk Seas, Norway, Greenland, the northern coast of North America and the Archipelago of the Canadian Islands.
HabitatThis species lives on seaweed, ascidians, shells and stones at depths of 5 to 230 m.
- Colonies form small round patches.
- The frontal wall of the zooid has numerous pores.
- The peristome extends from the primary orifice and has a small hole at the base.
- A series of points often project from the rim of the peristome.
- Ovicells are present and situated behind the primary orifice.
- Zooids are oval or rhomboidal in shape.
Additional informationNo text entered
Hayward, P.J. & Ryland, J.S. 1999. Cheilostomatous Bryozoa. Part II Hippothooidea - Celleporoidea. London: Academic Press. [Synopses of the British Fauna, no. 14. (2nd edition)]
Howson, C.M. & Picton, B.E., 1997. The species directory of the marine fauna and flora of the British Isles and surrounding seas. Belfast: Ulster Museum. [Ulster Museum publication, no. 276.]
JNCC (Joint Nature Conservation Committee), 1999. Marine Environment Resource Mapping And Information Database (MERMAID): Marine Nature Conservation Review Survey Database. [on-line] http://www.jncc.gov.uk/mermaid
Kluge, G.A., 1975. Bryozoa of the Northern Seas of the USSR. New Delhi: Amerind Publishing Co. Pvt. Ltd
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Last Updated: 10/09/2003