''Marianina khaleesi'' 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, a dendronotid

nudibranch Nudibranchs () are a group of soft-bodied marine gastropod molluscs which shed their shells after their larval stage. They are noted for their often extraordinary colours and striking forms, and they have been given colourful nicknames to matc ...

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

Tritoniidae Tritoniidae is a taxonomic family of nudibranchs in the suborder Cladobranchia, shell-less marine gastropod molluscs.MolluscaBase (2018)Tritoniidae Lamarck, 1809.Accessed on 2021-01-01 This family includes some of the largest known nudibranchs, ...

.MolluscaBase eds. (2020). MolluscaBase
''Marianina khaleesi'' (Silva, de Azevedo et Matthews-Cascon, 2014).
Accessed on 2021-01-08

Etymology

The

specific name Specific name may refer to: * in Database management systems, a system-assigned name that is unique within a particular database In taxonomy, either of these two meanings, each with its own set of rules: * Specific name (botany), the two-part (bino ...

''khaleesi'' is named after the title "Khaleesi" used by the fictional character

Daenerys Targaryen Daenerys Targaryen ( ) is a fictional character in the series of epic fantasy novels ''A Song of Ice and Fire'' by American author George R. R. Martin. She is a prominent Narrative mode#Third-person view, point of view character, and is one of ...

in the fantasy novel series ''

A Song of Ice and Fire ''A Song of Ice and Fire'' is a series of epic fantasy novels by the American novelist and screenwriter George R. R. Martin. He began the first volume of the series, ''A Game of Thrones'', in 1991, and it was published in 1996. Martin, who init ...

''. The discoverers chose the name because the silver-colored band on the back of the slug reminded them of the pale blond hair of the character as played by

Emilia Clarke Emilia Isobel Euphemia Rose Clarke (born 23 October 1986) is an English actress. She is best known for her portrayal as Daenerys Targaryen in '' Game of Thrones''. She has received various accolades, including an Empire Award, a Saturn Award, ...

in the television adaptation ''

Game of Thrones ''Game of Thrones'' is an American fantasy drama television series created by David Benioff and D. B. Weiss for HBO. It is an adaptation of ''A Song of Ice and Fire'', a series of fantasy novels by George R. R. Martin, the first ...

''.

Distribution

''Marianina khaleesi'' was discovered off north-east Brazil in the South Atlantic Ocean and first described in 2013.

Description

This species is up to long, with a slender white body, whose

notum The notum (plural nota) is the dorsal portion of an insect's thoracic segment, or the dorsal surface of the body of nudibranch gastropods. The word "notum" is always applied to dorsal structures; in other words structures that are part of the back ...

features a broad white band between the eyes and the tail. It is the only known '' Tritoniid'' with a unicuspid rachidian tooth in adult form.

References

External links

{{Taxonbar, from=Q16993239 Tritoniidae Gastropods described in 2014