# Facelinidae

The Facelinidae are a taxonomic family of colorful sea slugs. These are specifically aeolid nudibranchs. They are marine gastropod molluscs.

## Taxonomy
### 2005 taxonomy

This family consists of the following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):
* Facelininae Bergh, 1889 - synonyms: Caloriidae Odhner, 1968; Phidianidae Odhner, 1968; Pruvotfoliinae Tardy, 1970
* Babakininae Roller, 1973 - synonym: Babainidae Roller, 1972 (inv.)
* Crateninae Bergh, 1889 - synonym: Rizzoliinae Odhner, 1939 (inv.)
* Favorininae Bergh, 1889 - synonyms: Myrrhinidae Bergh, 1905; Phyllodesmiinae Thiele, 1931; Facalaninae Er. Marcus, 1958
* Herviellinae Burn, 1967
* Pteraeolidiinae Risbec, 1953

### 2007 taxonomy

Gosliner et al. (2007) have elevated subfamily Babakininae to family level Babakinidae.

## Genera

Genera and species within the family Facelinidae include:
Subfamily Facelininae
* Facelina Alder & Hancock, 1855 - type genus of the family Facelinidae
* Caloria Trinchese, 1888
* Facelinopsis Pruvot-Fol, 1954
** Facelinopsis marioni (Vayssière, 1888)
** Facelinopsis pacodelucia Ortea, Moro & Caballer, 2014
* Moridilla Bergh, 1888 (nomen dubium)
** Moridilla brockii (nomen dubium)
* Pruvotfolia Tardy, 1969
** Pruvotfolia longicirrha (Eliot, 1906)
** Pruvotfolia pselliotes (Labbé, 1923)
** Pruvotfolia rochebruni Ortea, Moro & Caballer, 2002
Subfamily Crateninae
* Amanda Macnae, 1954
* Cratena Bergh, 1864 - type genus of the subfamily Crateninae
Subfamily Favorininae
* Dicata Schmekel, 1967
* Favorinus M.E. Gray, 1850 - type genus of the subfamily Favorininae
* Sakuraeolis Baba, 1965
Subfamily Herviellinae
* Herviella Baba, 1949 - type genus of the subfamily Herviellinae
Subfamily Pteraeolidiinae
* Pteraeolidia Bergh, 1875 - type genus of the subfamily Pteraeolidiinae
Subfamily Incertae sedis
* Adfacelina Millen & Hermosillo, 2012
** Adfacelina medinai Millen & Hermosillo, 2012
* Algarvia Garcia-Gomez & Cervera, 1989
** Algarvia alba Garcia-Gomez & Cervera, 1989
* Anetarca Gosliner, 1991
** Anetarca armata Gosliner, 1991
** Anetarca brasiliana García & Troncoso, 2004
** Anetarca piutaensis (Ortea, Caballer & Espinosa, 2003)
* Antonietta Schmekel, 1966
* Austraeolis Burn, 1962
* Bajaeolis Gosliner & Behrens, 1986
** Bajaeolis bertschi Gosliner & Behrens, 1986
* Echinopsole Macnae, 1954
** Echinopsole breviceratae Burn, 1962
** Echinopsole fulvus Macnae, 1954
* Emarcusia Roller, 1972
** Emarcusia morroensis Roller, 1972
* Hermosita Gosliner & Behrens, 1986
** Hermosita hakunamatata (Ortea, Caballer & Espinosa, 2003)
** Hermosita sangria Gosliner & Behrens, 1986
* Jason Miller, 1974
* Learchis Bergh, 1896
* Nanuca Er. Marcus, 1957
** Nanuca sebastiani Er. Marcus, 1957
* Noumeaella Risbec, 1937
* Palisa Edmunds, 1964
** Palisa papillata Edmunds, 1964
* Pauleo Millen & Hamann, 1992
** Pauleo jubatus Millen & Hamann, 1992
* Phidiana Gray, 1850
* Setoeolis Baba & Hamatani 1965
** Setoeolis inconspicua (Baba, 1938)
Subfamilies and genera brought into synonymy:
* Acanthopsole Trinchese, 1874: synonym of Facelina Alder & Hancock, 1855
* Ennoia Bergh, 1896: synonym of Phyllodesmium Ehrenberg, 1831
* Subfamily Facalaninae: synonym of Favorininae
* Facelinella Pruvot-Fol, 1951: synonym of Facelinopsis Pruvot-Fol, 1954
* Facelinella Baba, 1949: synonym of Facelina Alder & Hancock, 1855
* Matharena Bergh in Mörch, 1871: synonym of Favorinus M. E. Gray, 1850
* Morildilla [sic] : synonym of Moridilla Bergh, 1888
* Muessa Er. Marcus, 1965: synonym of Facelina Alder & Hancock, 1855
* Subfamily Pruvotfoliinae: synonym of Facelininae
* Rizzolia Trinchese, 1877: synonym of Cratena Bergh, 1864
* Rolandia Pruvot-Fol, 1951 invalid: junior homonym of Rolandia Lacaze-Duthiers, 1900: synonym of Pruvotfolia Tardy, 1969
* Subfamily Rizzoliinae: synonym of Crateninae