Sabellaria spinulosa with a bryozoan turf and barnacles on silty turbid circalittoral rock

English name: Sabellaria spinulosa with a bryozoan turf and barnacles on silty turbid circalittoral rock

Description (English)

This variant is typically found encrusting the upper faces of exposed and moderately exposed circalittoral rock and mixed substrata, subject to strong and moderately strong currents and high turbidity levels. The crusts formed by the sandy tubes of the polychaete worm Sabellaria spinulosa may completely cover the rock, binding gravel and pebbles together. A diverse fauna may be found attached to this crust, and in many cases reflects the character of nearby biotopes. There is normally considerable variation in the associated fauna encountered. There may be a sparse bryozoan turf (Flustra foliacea, Alcyonidium diaphanum, Bicellariella ciliata, Bugula plumosa and Vesicularia spinosa) attached to the Sabellaria crust and available rocky substrata. Other scour-tolerant species such as Urticina felina are occasionally observed. Clumps of robust hydroids such as Tubularia indivisa, Nemertesia antennina, Hydrallmania falcata and Halecium halecinum may also be observed. Other species which may be present include the polychaete Pomatoceros triqueter, Balanus crenatus, Asterias rubens, Pagurus bernhardus and Gibbula cineraria. Occasionally, sponges such as Haliclona oculata and Halichondria panicea, and ascidians such as Dendrodoa grossularia may also be observed.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type code A4.2211
Bern Convention Included in a Resolution 4 habitat type at a higher level (A4)

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Species mentioned in habitat description

Invertebrates Alcyonidium diaphanum
Invertebrates Asterias rubens
Invertebrates Balanus crenatus
Invertebrates Bicellariella ciliata
Invertebrates Bugula plumosa
Invertebrates Dendrodoa grossularia
Invertebrates Flustra foliacea
Invertebrates Gibbula cineraria
Invertebrates Halichondria panicea
Invertebrates Haliclona oculata
Invertebrates Hydrallmania falcata
Invertebrates Nemertesia antennina
Invertebrates Pagurus bernhardus
Invertebrates Pomatoceros triqueter
Invertebrates Sabellaria spinulosa
Invertebrates Tubularia indivisa
Invertebrates Urticina felina
Invertebrates Vesicularia spinosa
Species scientific name English common name Species group
Alcyonidium diaphanum Invertebrates
Asterias rubens Invertebrates
Balanus crenatus Invertebrates
Bicellariella ciliata Invertebrates
Bugula plumosa Invertebrates
Dendrodoa grossularia Invertebrates
Flustra foliacea Invertebrates
Gibbula cineraria Invertebrates
Halichondria panicea Invertebrates
Haliclona oculata Invertebrates
Hydrallmania falcata Invertebrates
Nemertesia antennina Invertebrates
Pagurus bernhardus Invertebrates
Pomatoceros triqueter Invertebrates
Sabellaria spinulosa Invertebrates
Tubularia indivisa Invertebrates
Urticina felina Invertebrates
Vesicularia spinosa Invertebrates

Other classifications

Classification Code Habitat type name Relationship type
Marine Habitat Classification Britain/Ireland 0405 CR.MCR.CSab.Sspi.ByB <I>Sabellaria spinulosa</I> with a bryozoan turf and barnacles on silty turbid circalittoral rock source
CORINE Land Cover 5.2.3. Sea and ocean n/a
For relation to plant communities (syntaxa), see Vegetation types

History

Classification Code Habitat type name Relationship type
EUNIS Habitat Classification 200410 A4.2211 Sabellaria spinulosa with a bryozoan turf and barnacles on silty turbid circalittoral rock same
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