List of marine molluscs of Ireland


The list of marine molluscs of Ireland is a list of marine species that form a part of the molluscan fauna of Ireland.
Their habitats include littoral, mesopelagic, pelagic, oceanic zone, benthic, deep ocean water and deep sea.

Class [Aplacophora] (worm-like molluscs)

Subclass [Solenogastres]

There were recorded at least 2 species of solenogastres in Ireland.
Family RhopalomeniidaeRhopalomenia aglaopheniae
Family Neomeniidae
  • Neomenia carinata Tullberg, 1875

Subclass [Caudofoveata]

There was recorded at least 1 species of Caudofoveata in Ireland.
Family Chaetodermatidae

Class [Polyplacophora] (sea cradles, loricates)

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

Class [Scaphopoda] (tusk shells, tooth shells)

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

Class [Cephalopoda] (inkfish)

There were recorded at least 5 species of cephalopods in Ireland.
Family Octopodidae
Family Sepiolidae
Family Architeuthidae