Peltodoris is a genus

Genus

In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of sea slug

Slug

Slug is a common name that is normally applied to any gastropod mollusc that lacks a shell, has a very reduced shell, or has a small internal shell...

s, dorid nudibranch

Nudibranch

A nudibranch is a member of what is now a taxonomic clade, and what was previously a suborder, of soft-bodied, marine gastropod mollusks which shed their shell after their larval stage. They are noted for their often extraordinary colors and striking forms...

s, shell-less marine

Marine (ocean)

Marine is an umbrella term. As an adjective it is usually applicable to things relating to the sea or ocean, such as marine biology, marine ecology and marine geology...

 gastropod molluscs in the family Discodorididae

Discodorididae

Discodorididae is a taxonomic family of sea slugs, specifically dorid nudibranchs, marine gastropod mollusks in the superfamily Doridoidea. Species in this family belong to the cryptobranch dorid nudibranchs, i.e. they are able to retract their gills into a gill pocket . Most are small and hard to...

.

This genus differs from Discodoris

Discodoris

Discodoris is a genus of sea slugs, dorid nudibranchs, shell-less marine gastropod molluscs in the family Discodorididae. - Species :Species in the genus Discodoris include:* Discodoris boholiensis Bergh, 1877...

 by its lack of labial armature.
It feeds on sponges, favouring two genera.

And some of these species, such as Peltodoris nobilis

Peltodoris nobilis

Peltodoris nobilis, common names sea lemon, or the noble dorid, is a species of colorful sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Discodorididae....

, give off a strong lemony scent when rubbed vigorously.

Species

Species in the genus Peltodoris include:

• Peltodoris atromaculata
  Peltodoris atromaculata
  Peltodoris atromaculata is a species of sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Discodorididae.- External links :...
  
   Bergh
  Rudolph Bergh
  Rudolph Bergh , full name Ludvig Sophus Rudolph Bergh, was a Danish physician and malacologist. He worked in Copenhagen....
  
  , 1880
• Peltodoris crucis (Mörch, 1863)
• Peltodoris marmorata Bergh
  Rudolph Bergh
  Rudolph Bergh , full name Ludvig Sophus Rudolph Bergh, was a Danish physician and malacologist. He worked in Copenhagen....
  
  , 1898
• Peltodoris mullineri Millen & Bertsch, 2000
• Peltodoris murrea (Abraham, 1877)
• Peltodoris nobilis
  Peltodoris nobilis
  Peltodoris nobilis, common names sea lemon, or the noble dorid, is a species of colorful sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Discodorididae....
  
   MacFarland, 1905
• Peltodoris rosae Valdés & Bertsch, 2010
• Peltodoris rubra Bergh
  Rudolph Bergh
  Rudolph Bergh , full name Ludvig Sophus Rudolph Bergh, was a Danish physician and malacologist. He worked in Copenhagen....
  
  , 1905

Species brought into synonymy:

• Peltodoris aurea Eliot, 1903 : synonym of Montereina aurea (Eliot, 1903)
• Peltodoris fellowsi Kay & Young, 1969: synonym of' ' Hiatodoris fellowsi (Kay & Young, 1969)
• Peltodoris greeleyi MacFarland, 1909 : synonym of Montereina greeleyi (MacFarland, 1909)
• Peltodoris hummelincki Marcus & Marcus, 1963 : synonym of Tayuva lilacina (Gould, 1852)
• Peltodoris lancei Millen & Bertsch, 2000: synonym of Montereina lancei (Millen & Bertsch, 2000)
• Peltodoris lippa Valdés, 2001 : synonym of Montereina lippa (Valdés, 2001)
• Peltodoris mauritiana Bergh, 1889 : synonym of Peltodoris murrea (Abraham, 1877)
• Peltodoris nayarita Ortea & Llera, 1981 : synonym of Montereina greeleyi (MacFarland, 1909)

Nomen dubium

Nomen dubium

In zoological nomenclature, a nomen dubium is a scientific name that is of unknown or doubtful application...

• Peltodoris angulata Eliot, 1903 (nomen dubium)
• Peltodoris noumeae Risbec, 1937 (nomen dubium)