EUNIS habitat classification 2012 amended 2019 > A - Marine habitats > A5 - Sublittoral sediment > A5.1 - Sublittoral coarse sediment > A5.15 - Deep circalittoral coarse sediment > A5.151 - Glycera lapidum, Thyasira spp. and Amythasides macroglossus in offshore gravelly sand

Glycera lapidum, Thyasira spp. and Amythasides macroglossus in offshore gravelly sand

English name: Glycera lapidum, Thyasira spp. and Amythasides macroglossus in offshore gravelly sand

Description (English)

Offshore (deep) circalittoral habitats with coarse sands and gravel, stone or shell and occasionally a little silt (<5%) may be characterised by the polychaetes Glycera lapidum and Amythasides macroglossus with the bivalve Thyasira spp. (particularly Thyasira succisa). Other taxa include polychaetes such as Exogone verugera, Notomastus latericeus, Spiophanes kroyeri,Aphelochaeta marioni (Tharyx marioni) and Lumbrineris gracilis and occasional numbers of the bivalve Timoclea ovata. This biotope bears some resemblance to the shallow A5.135 and also to the circalittoral and offshore venerid biotopes (units A5.142 and A5.451) but differs by the range of polychaete and bivalve fauna present. This biotope is notable for the presence of the rarely recorded ampharetid polychaete Amythasides macroglossus and also for the small ear file clam Limatula subauriculata which is common in some examples of this biotope.

Source: EUNIS habitat classification

Quick facts

EUNIS habitat type code A5.151
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 Amythasides macroglossus
Invertebrates Aphelochaeta marioni
Invertebrates Exogone verugera
Invertebrates Glycera lapidum
Invertebrates Limatula subauriculata
Invertebrates Lumbrineris gracilis
Invertebrates Notomastus latericeus
Invertebrates Spiophanes kroyeri
Invertebrates Thyasira succisa
Invertebrates Timoclea ovata
Species scientific name English common name Species group
Amythasides macroglossus Invertebrates
Aphelochaeta marioni Invertebrates
Exogone verugera Invertebrates
Glycera lapidum Invertebrates
Limatula subauriculata Invertebrates
Lumbrineris gracilis Invertebrates
Notomastus latericeus Invertebrates
Spiophanes kroyeri Invertebrates
Thyasira succisa Invertebrates
Timoclea ovata Invertebrates

Other classifications

Classification Code Habitat type name Relationship type
Marine Habitat Classification Britain/Ireland 0405 SS.SCS.OCS.GlapThyAmy <I>Glycera lapidum</I>, <I>Thyasira</I> spp. and <I>Amythasides macroglossus</I> in offshore gravelly sand 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 A5.141 Glycera lapidum, Thyasira spp. and Amythasides macroglossus in offshore gravelly sand same
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