''Berthella patagonica'' is a species of

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 time ...

within the family

Pleurobranchidae The Pleurobranchidae are a taxonomic family of sea slugs, marine gastropod molluscs in the clade Pleurobranchomorpha. Characteristics Species in the family Pleurobranchidae have a prominent mantle and an internal shell that becomes re ...

. The species is found along the coasts of

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

along Santa Cruz in demersal environments. It grows up to 2.4 centimeters in length.

References

{{Taxonbar, from=Q13438946 Pleurobranchidae Gastropods described in 1835 Molluscs of the Atlantic Ocean Molluscs of Argentina