''Aeolidia filomenae'' is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

sea slug Sea slug is a common name for some marine invertebrates with varying levels of resemblance to terrestrial slugs. Most creatures known as sea slugs are gastropods, i.e. they are sea snails (marine gastropod mollusks) that over evolutionary t ...

s, an aeolid nudibranch, a

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 * ...

gastropod 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. T ...

mollusc Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

in the family

Aeolidiidae Aeolidiidae, a family of aeolid nudibranchs, are a family of sea slugs, shell-less marine gastropod molluscs.Bouchet, P. (2014)''Aeolidiidae'' Gray, 1827.Accessed through: World Register of Marine Species on 2014-10-24 Most, or perhaps all, mem ...

. Previously confused with ''

Aeolidia papillosa ''Aeolidia papillosa'', known as the common grey sea slug, is a species of nudibranch in the family Aeolidiidae.Gofas, S''Aeolidia papillosa''.In: MolluscaBase (2017). Accessed through: World Register of Marine Species (WoRMS), 26 July 2017. Dis ...

'', this species occurs on coasts of the NE Atlantic Ocean from Scotland south to Portugal.Bouchet, P. (2016)
''Aeolidia filomenae'' Kienberger, Carmona, Pola, Padula, Gosliner & Cervera, 2016.
In: MolluscaBase (2016). Accessed through: World Register of Marine Species on 2016-06-29

Distribution

This nudibranch species lives on the

Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe an ...

coast of

The British Isles The British Isles are a group of islands in the North Atlantic Ocean off the north-western coast of continental Europe, consisting of the islands of Great Britain, Ireland, the Isle of Man, the Inner and Outer Hebrides, the Northern Isles (O ...

and

Europe Europe is a large peninsula conventionally considered a continent in its own right because of its great physical size and the weight of its history and traditions. Europe is also considered a Continent#Subcontinents, subcontinent of Eurasia ...

Description

''Aeolidia filomenae'' can be identified by its large number of slightly flattened, hooked cerata on its body except for a triangular area that extends from the rhinophores to the mid dorsum. There is frequently a white Y-shaped mark on the head, which can be hard to see in pale individuals.

References

External links

* {{Taxonbar, from=Q25349760 Aeolidiidae Molluscs of the Atlantic Ocean Gastropods described in 2016