EUNIS habitat classification 2012 amended 2019 > A - Marine habitats > A5 - Sublittoral sediment > A5.4 - Sublittoral mixed sediments > A5.45 - Deep circalittoral mixed sediments > A5.451 - Polychaete-rich deep Venus community in offshore mixed sediments

Polychaete-rich deep Venus community in offshore mixed sediments

English name: Polychaete-rich deep Venus community in offshore mixed sediments

Description (English)

In offshore circalittoral slightly muddy mixed sediments, a diverse community particularly rich in polychaetes with a significant venerid bivalve component may be found. Typical species include the polychaetes Glycera lapidum, Aonides paucibranchiata, Laonice bahusiensis, Mediomastus fragilis, Lumbrineris gracilis, Pseudomystides limbata, Protomystides bidentata and syllid species and bivalves such as Timoclea ovata, Glycymeris glycymeris, Spisula elliptica and Goodallia triangularis. This biotope has been recorded on surveys of the Lambay and Codling Deeps and other areas of the Irish Sea and collectively with A5.142 comprise the 'Deep Venus Community' and the 'Boreal Off-Shore Gravel Association' as defined by other workers (Ford 1923; Jones 1950). Some examples of this biotope may have abundant juvenile Modiolus modiolus

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type code A5.451
Bern Convention Included in a Resolution 4 habitat type at a higher level (A5)

Vegetation types

Relation to vegetation types (syntaxa)

Not available

Species mentioned in habitat description

Invertebrates Aonides paucibranchiata
Invertebrates Glycera lapidum
Invertebrates Glycymeris glycymeris
Invertebrates Goodallia triangularis
Invertebrates Laonice bahusiensis
Invertebrates Lumbrineris gracilis
Invertebrates Mediomastus fragilis
Invertebrates Modiolus modiolus
Invertebrates Pseudomystides limbata
Invertebrates Spisula elliptica
Invertebrates Timoclea ovata
Species scientific name English common name Species group
Aonides paucibranchiata Invertebrates
Glycera lapidum Invertebrates
Glycymeris glycymeris Invertebrates
Goodallia triangularis Invertebrates
Laonice bahusiensis Invertebrates
Lumbrineris gracilis Invertebrates
Mediomastus fragilis Invertebrates
Modiolus modiolus Invertebrates
Pseudomystides limbata Invertebrates
Spisula elliptica Invertebrates
Timoclea ovata Invertebrates

Other classifications

Classification Code Habitat type name Relationship type
Marine Habitat Classification Britain/Ireland 0405 SS.SMx.OMx.PoVen Polychaete-rich deep <I>Venus</I> community in offshore mixed sediments 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 A5.451 Polychaete-rich deep Venus community in offshore mixed sediments same
EUNIS Habitat Classification 200308 A4.131 Venerid bivalves in circalittoral coarse sand or gravel wider
EUNIS Habitat Classification 200202 A4.131 Venerid bivalves in circalittoral coarse sand or gravel overlap
EUNIS Habitat Classification 199910 A4.141 Venerid bivalves in circalittoral coarse sand or gravel overlap
MNCR BioMar 97.06 (Britain & Ireland) CGS.Ven Venerid bivalves in circalittoral coarse sand or gravel overlap
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