Chromodorididae

Chromodorididae
Doriprismatica atromarginata
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Nudibranchia
Superfamily: Doridoidea
Family: Chromodorididae
Bergh, 1891
Type genus
Chromodoris
Genera

See text

Synonyms[1]
  • Cadlinellinae Odhner, 1934
  • Ceratosomatidae Gray, 1857 (Under Art. 23.9, declared nomen oblitum by Bouchet & Rocroi, 2005)
  • Doriprismaticinae H. Adams & A. Adams, 1858 (Under Art. 23.9, declared nomen oblitum by Bouchet & Rocroi, 2005[2])
  • Glossodorididae O'Donoghue, 1924
  • Lissodoridinae Odhner, 1968
  • Miamiridae Bergh, 1891
  • Thorunninae Odhner, 1926

Chromodorididae, or chromodorids, are a taxonomic family of colourful sea slugs; dorid nudibranchs, marine gastropod mollusks in the superfamily Doridoidea.[2] “Chromodorid nudibranchs are among the most gorgeously coloured of all animals.”[3] The over 360 described species are primarily found in tropical and subtropical waters, as members of coral reef communities, specifically associated with their sponge prey. The chromodorids are the most speciose family of opisthobranchs.[4] They range in size from <10mm to over 30 cm, although most species are approximately 15–30 mm in size.[5][1]

Although, they have a worldwide distribution, most species are found in the Indo-Pacific region. A scientific paper published in 2007, found the most widespread chromodorid genera, (Mexichromis, Chromodoris, Glossodoris and Hypselodoris) to be paraphyletic or polyphyletic.[6]

The family Cadlinidae Bergh, 1891 has been considered a synonym of the Chromodorididae.[7] Research by R.F. Johnson in 2011 [8] has shown that Cadlina does not belong to the family Chromodorididae. She has therefore brought back the name Cadlinidae from synonymy with Chromodorididae. The chromodorid nudibranchs without Cadlina are now monophyletic and turn out to be a possible sister to the family Actinocyclidae. Cadlina and Aldisa are the only two genera currently classified in the Cadlinidae.

A comprehensive phylogeny of the chromodorid nudibranchs found every one of the 14 traditional chromodorid genera were either non-monophyletic, or rendered another genus paraphyletic. Additionally, both the monotypic genera Verconia and Diversidoris are nested within clades. The authors presented a new classification of the chromodorid nudibranchs, which used molecular data to untangle evolutionary relationships and at the same time retains a historical connection to traditional systematics by using generic names attached to type species as clade names.[4] All Chromodorid nudibranchs feed on sponges.[9][10]

  1. ^ a b Cite error: The named reference WoRMS_23003 was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference Bouchet 2005 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Edmunds 1981 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference Johnson 2012 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Gosliner 2008 was invoked but never defined (see the help page).
  6. ^ Turner, LM; Wilson, NG (2008). "Polyphyly across oceans: a molecular phylogeny of the Chromodorididae (Mollusca, Nudibranchia)". Zoologica Scripta. 37: 23–42. doi:10.1111/j.1463-6409.2007.00310.x. S2CID 86754600.
  7. ^ Cite error: The named reference Rudman_1984 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Johnson 2011 was invoked but never defined (see the help page).
  9. ^ Rudman, W.B., 2007 (Jul 21) Review of chromodorid feeding. [Message in] Sea Slug Forum. Australian Museum, Sydney.
  10. ^ Rudman W.B. & Bergquist, P.R., 2007. A review of feeding specificity in the sponge-feeding Chromodorididae (Nudibranchia: Mollusca). Molluscan Research 27(2): 60–88.

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