The list of

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

molluscs of

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

is a list of marine species that form a part of the molluscan fauna of Ireland. Their habitats include

littoral The littoral zone or nearshore is the part of a sea, lake, or river that is close to the shore. In coastal ecology, the littoral zone includes the intertidal zone extending from the high water mark (which is rarely inundated), to coastal areas ...

, mesopelagic,

pelagic The pelagic zone consists of the water column of the open ocean, and can be further divided into regions by depth (as illustrated on the right). The word ''pelagic'' is derived . The pelagic zone can be thought of as an imaginary cylinder or wa ...

, oceanic zone,

benthic The benthic zone is the ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and some sub-surface layers. The name comes from ancient Greek, βένθος (bénthos), meaning "t ...

, deep ocean water and deep sea.

Class Aplacophora (worm-like molluscs)

Subclass
Solenogastres The Solenogastres (less often referred to as Neomeniomorpha), common name the solenogasters, are one class of small, worm-like, shell-less molluscs (Aplacophora), the other class being the Caudofoveata ( Chaetodermomorpha). MolluscaBase eds. (202 ...

There were recorded at least 2 species of

solenogastres The Solenogastres (less often referred to as Neomeniomorpha), common name the solenogasters, are one class of small, worm-like, shell-less molluscs (Aplacophora), the other class being the Caudofoveata ( Chaetodermomorpha). MolluscaBase eds. (202 ...

in Ireland. Family

Rhopalomeniidae Rhopalomeniidae is a family of solenogaster, , a kind of shell-less, worm-like, marine mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks () ...

* ''

Rhopalomenia aglaopheniae ''Rhopalomenia aglaopheniae'' is a species of solenogasters, shell-less, worm-like, marine molluscs.Garcia-Alvarez, O.; Gofas, S. (2015)''Rhopalomenia aglaopheniae''.In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2 ...

'' (Kowalewsky & Marion, 1887) Family

Neomeniidae Neomenia is a genus of solenogaster The Solenogastres (less often referred to as Neomeniomorpha), common name the solenogasters, are one class of small, worm-like, shell-less molluscs (Aplacophora), the other class being the Caudofoveata (Cha ...

*'' Neomenia carinata'' Tullberg, 1875

Subclass
Caudofoveata Caudofoveata is a small class within the phylum Mollusca, also known as Chaetodermomorpha. The class is often combined with Solenogastres and termed Aplacophora, but some studies have cast doubt on the monophyly of this group. Anatomy Caudofo ...

There was recorded at least 1 species of

Caudofoveata Caudofoveata is a small class within the phylum Mollusca, also known as Chaetodermomorpha. The class is often combined with Solenogastres and termed Aplacophora, but some studies have cast doubt on the monophyly of this group. Anatomy Caudofo ...

in Ireland. Family

Chaetodermatidae Chaetodermatidae is a family of molluscs belonging to the order Caudofoveata. Genera: * '' Chaetoderma'' Lovén, 1844 * ''Falcidens ''Falcidens'' is one of three genera within the family Chaetodermatida; its radula consists of a single row o ...

*''

Chaetoderma nitidulum Chaetoderma can refer to: * ''Chaetoderma'' (fish), a synonym for '' Chaetodermis'', see '' Chaetodermis penicilligerus'' * ''Chaetoderma'' (fungus), a genus of Agaricomycetes fungi * ''Chaetoderma'' (mollusc), a genus of caudofoveate mollu ...

'' Lovén, 1844

Class Polyplacophora (sea cradles, loricates)

Illustrated Index of British Shells Plate 10

There were recorded at least 13 species of polyplacophorans in Ireland. Family

Acanthochitonidae Acanthochitonidae is a family of chitons, marine molluscs in the class Polyplacophora. Description These small to large chitons are characterised by a broad girdle with erect tufts of up to ten large bristles. The coarsely granular valves of the ...

*''

Acanthochitona crinita ''Acanthochitona crinita'' is a species of marine chiton in the family Acanthochitonidae. It is found on rocky coasts in the northeastern Atlantic Ocean, the North Sea and the Mediterranean Sea. Description ''Acanthochitona crinita'' is oval, le ...

'' (Pennant, 1777) *''

Acanthochitona discrepans ''Acanthochitona'' is a genus of chitons in the family Acanthochitonidae, of worldwide distribution. Species According to the World Register of Marine Species (WoRMS), species in the genus ''Acanthochitona'' include * ''Acanthochitona achates' ...

'' (Brown, 1827) *''

Acanthochitona fascicularis ''Acanthochitona fascicularis,'' the Velvety mail shell, is a common chiton in the family Acanthochitonidae. Distribution and habitat This chiton has been recorded in European waters, the Mediterranean Sea, the Red Sea and the Pacific Ocean. I ...

'' (Linnaeus, 1767) Family

Ischnochitonidae Ischnochitonidae is a family of polyplacophoran mollusc belonging to the superfamily Chitonoidea. MolluscaBase eds. (2022). MolluscaBase. Ischnochitonidae Dall, 1889. Accessed through: World Register of Marine Species at: https://www.marinespec ...

*''

Lepidochitona cinerea ''Lepidochitona cinerea'', known by the common names common chiton or gray chiton, is a species of chiton, a marine polyplacophoran mollusc in the family Tonicellidae. Distribution ''Lepidochitona cinerea'' is found in the North Sea and on the ...

'' (Linnaeus, 1767) *''

Tonicella marmorea ''Tonicella marmorea'' is a species of chiton, a polyplacophoran mollusc found in the Arctic Ocean and the North Atlantic Ocean. It was first described by the Danish missionary and naturalist Otto Fabricius. Description ''Tonicella marmorea' ...

'' (Fabricius, 1780) *''

Tonicella rubra ''Tonicella'' is a genus of chitons known as the lined chitons. MolluscaBase eds. (2022). MolluscaBase. Tonicella Carpenter, 1873. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=138 ...

'' (Linnaeus, 1767) Family

Leptochitonidae Leptochitonidae is a of polyplacophoran mollusc. While the subfamily Leptochitoninae has both extant and extinct species This page features lists of extinct species, organisms that have become extinct, either in the wild or completely disappe ...

*'' Callochiton achatinus'' (Brown, 1827) *''

Callochiton septemvalvis ''Callochiton'' is a genus of chitons in the family Callochitonidae. MolluscaBase eds. (2022). MolluscaBase. Callochiton Gray, 1847. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1 ...

'' (Montagu, 1803) *''

Hanleya hanleyi ''Hanleya'' is a genus of polyplacophoran molluscs known from Oligocene and Miocene The Miocene ( ) is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell ...

'' (Bean in Thorpe, 1844) *'' Lepidopleurus asellus'' (Gmelin, 1791) *'' Lepidopleurus cancellatus'' (Sowerby, 1839) *'' Leptochiton asellus'' (Gmelin, 1791) *'' Leptochiton cancellatus'' (G. B. Sowerby II, 1840)

Class
Gastropoda The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. ...
(slugs, snails etc.)

Class
Bivalvia Bivalvia (), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of w ...
(clams, oysters, scallops, mussels)

Class Scaphopoda (tusk shells, tooth shells)

There were recorded at least 2 species of tusk shells in Ireland. Family

Dentaliidae Dentaliidae is a family of relatively large tusk shells, scaphopod mollusks in the order Dentaliida. Genera * '' Antalis'' H. & A. Adams, 1854 * '' Coccodentalium'' Sacco, 1896 * '' Compressidentalium'' Habe, 1963 * '' Dentalium'' ...

*''

Antalis entalis ''Antalis'' is a genus of tusk shells, marine scaphopod mollusks. Species Species within the genus ''Antalis'' include: * '' Antalis agilis'' (M. Sars in G.O. Sars, 1872) * '' Antalis albatrossae'' Scarabino, 2008 * '' Antalis alis'' Scarabino ...

'' (Linnaeus, 1758) *''

Antalis vulgaris ''Antalis vulgaris'', commonly known as the common tusk shell, is a species of Tusk shell, scaphopods mainly encountered on sandy bottoms from 5 to 1000 meters depth. Description ''Antalis vulgaris'' is a small Mollusca, mollusc of 3 to 6 cm l ...

'' (da Costa, 1778)

Class
Cephalopoda A cephalopod is any member of the molluscan class Cephalopoda (Greek plural , ; "head-feet") such as a squid, octopus, cuttlefish, or nautilus. These exclusively marine animals are characterized by bilateral body symmetry, a prominent head, an ...
(inkfish)

There were recorded at least 5 species of cephalopods in Ireland. Family Octopodidae (most octopuses) *''

Eledone cirrhosa The curled octopus (''Eledone cirrhosa''), also known as the horned octopus, lesser octopus or northern octopus, is a species of cephalopod found in the northeast Atlantic, ranging from Norway to the Mediterranean, including the British Isles. Th ...

'' (Lamarck, 1798) *'' Octopus vulgaris'' Cuvier, 1797 Family

Sepiolidae Sepiolidae is a family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its me ...

*''

Rossia macrosoma ''Rossia'' is a genus of 10 species of Benthic fish, benthic bobtail squid in the family Sepiidae, Sepioidae found in all oceans. They live at depths greater than 50 m (164 ft) and can grow up to 9 cm (3.5 in.) in Mantle (mollusc) ...

'' (Delle Chiaje, 1829) *''

Sepiola atlantica ''Sepiola atlantica'', also known as the Atlantic bobtail, is a species of bobtail squid native to the northeastern Atlantic Ocean and the Mediterranean Sea. Description ''Sepiola atlantica'' has short fins which do not overlap the mantle margi ...

'' d'Orbigny, 1839 Family

Architeuthidae The giant squid (''Architeuthis dux'') is a species of deep-ocean dwelling squid in the family Architeuthidae. It can grow to a tremendous size, offering an example of abyssal gigantism: recent estimates put the maximum size at around Trac ...

(giant squid) *'' Architeuthis dux'' Steenstrup, 1857

References

J.D. Nunn and J.M.C. Holmes A catalogue of the Irish and British marine Mollusca in the collections of the National Museum of Ireland ~ Natural History, 1835-2008
*P. J. Hayward and J. S. Ryland Eds., 1999 ''The Marine Fauna of the British Isles and North-West Europe'': Volume II: Molluscs to Chordates Oxford University Press *Howson, C.M. & Picton, B.E.(eds) 1997. ''The species directory of the marine fauna and flora of the British Isles and surrounding seas''.Ulster Museum and The Marine Conservation Society, Belfast and Ross-on-Wye. * Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). ''European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification''. Collection Patrimoines Naturels, 50: pp. 180-213 *Nunn, J.D.; Smith, S.M.; Picton, B.E.; McGrath, D. (2005). A checklist, atlas and bibliography for the marine Mollusca of Ireland, in: Wilson, J.G. (Ed.) ''The intertidal ecosystem: the value of Ireland’s shores''. pp. 200-201 Identification *Pruvot-Fol A., 1954 Mollusques Opisthobranches. ''Faune de France'' n° 58 460 p., 1 pl., 173 fi
PDF (21 Mo)

External links

Bernard E. Picton and Christine C. Morrow ''Encyclopedia of Marine Life of Britain and Ireland''MarLIN

Marine Life Information Network for Britain and Ireland The Marine Life Information Network (MarLIN) is an information system for marine biodiversity for Great Britain and Ireland. MarLIN was established in 1998 by the Marine Biological Association together with the environmental protection agencies a ...

.
Roche C., Clarke S. & O’Connor B. (2005) ''Inventory of Irish marine wildlife publications''. Irish Wildlife Manuals, No. 16. National Parks and Wildlife Service,Department of Environment, Heritage and Local Government, Dublin, Ireland.

World Register of Marine Species''The Conchological Society of Great Britain and Ireland Encyclopedia'' image browse and species indexMarine species identification portalNatural History Museum Rotterdam Mollusca Images
Fauna of Ireland

{{Animals of Ireland, Marine molluscs

Class Aplacophora (worm-like molluscs)

Subclass Solenogastres The Solenogastres (less often referred to as Neomeniomorpha), common name the solenogasters, are one class of small, worm-like, shell-less molluscs (Aplacophora), the other class being the Caudofoveata ( Chaetodermomorpha). MolluscaBase eds. (202 ...

Subclass Caudofoveata Caudofoveata is a small class within the phylum Mollusca, also known as Chaetodermomorpha. The class is often combined with Solenogastres and termed Aplacophora, but some studies have cast doubt on the monophyly of this group. Anatomy Caudofo ...

Class Polyplacophora (sea cradles, loricates)

Class Gastropoda The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. ... (slugs, snails etc.)

Class Bivalvia Bivalvia (), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of w ... (clams, oysters, scallops, mussels)