title: Catriona (gastropod)
text: # Catriona (gastropod)
  
  Catriona is a genus of sea slugs, aeolid nudibranchs, marine gastropod molluscs in the family Trinchesiidae. All species were transferred to Tenellia as a result of a DNA phylogeny study in 2016. It was reinstated in 2017 on the basis of DNA and morphological criteria.
  
  Species within the genus Catriona include:
  
  * Catriona aurantia (Alder & Hancock, 1842) - type species of Catriona
  * Catriona casha Gosliner & Griffiths, 1981
  * Catriona columbiana (O'Donoghue, 1922)
  * Catriona gymnota (Couthouy, 1838)
  * Catriona lonca Er. Marcus, 1965
  * Catriona maua Ev. Marcus & Er. Marcus, 1960
  * Catriona nigricolora (Baba, 1955)
  * Catriona oba Ev. Marcus, 1970
  * Catriona pinnifera (Baba, 1949)
  * Catriona rickettsi Behrens, 1984
  * Catriona signifera Baba, 1961
  * Catriona susa Ev. Marcus & Er. Marcus, 1960
  * Catriona tema Edmunds, 1968
  * Catriona urquisa Er. Marcus, 1965
  * Catriona venusta (Baba, 1949)
  
  Species names currently considered to be synonyms:
  
  * Catriona anulata (Baba, 1949): synonym of Trinchesia anulata (Baba, 1949)
  * Catriona catachroma Burn, 1963 synonym of Trinchesia catachroma (Burn, 1963)
  * Catriona ornata (Baba, 1937): synonym of Trinchesia ornata (Baba, 1937)
  * Catriona perca Marcus Er., 1958 synonym of Cuthona perca (Er. Marcus, 1958)
  * Catriona puellula (Baba, 1955): synonym of Cuthona puellula (Baba, 1955)
  * Catriona pupillae Baba, 1961 synonym of Trinchesia pupillae (Baba, 1961)
  * Catriona viridiana Burn, 1962 synonym of Trinchesia viridiana (Burn, 1962)
  