Knoutsodonta pusilla

Knoutsodonta pusilla is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusc in the family Onchidorididae.[2]

Colour plate from Alder & Hancock Monograph, 1845-55.[3]

Knoutsodonta pusilla
The nudibranch Onchidoris pusilla, 5 mm length, Gulen Dive Resort, Norway.
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Nudipleura
clade Nudibranchia
clade Euctenidiacea
clade Doridacea
Superfamily:
Onchidoridoidea
Family:
Onchidorididae
Genus:
Knoutsodonta
Species:
K. pusilla
Binomial name
Knoutsodonta pusilla
(Alder & Hancock, 1845)[1]
Synonyms[2]
  • Doris pusilla Alder & Hancock, 1845
  • Onchidoris pusilla (Alder & Hancock, 1845)

Distribution

This species was described from Torbay, Devon, England. It is currently known from the European coasts of the North Atlantic Ocean from Norway, south to the Atlantic coast of Spain.[4][5]

Diet

Knoutsodonta pusilla feeds on the bryozoans Escharella immersa, Microporella ciliata, Escharoides coccineus and Porella concinna.[5]

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References
  1. Alder J. & Hancock A. (1845). Notice of a new genus and several new species of nudibranchiate Mollusca. Annals and Magazine of Natural History 16: 311-316, page 313.
  2. MolluscaBase (2018). Knoutsodonta pusilla (Alder & Hancock, 1845). Accessed through: World Register of Marine Species on 2018-09-10.
  3. Alder J. & Hancock A. (1845-1855). A monograph of the British nudibranchiate Mollusca: with figures of all the species. The Ray Society, London. Published in 8 parts:Part 4 Fam. 1 Plate 13 [1846].
  4. Picton, B.E. & Morrow, C.C. (2015). Onchidoris pusilla (Alder & Hancock, 1845). [In] Encyclopedia of Marine Life of Britain and Ireland. Accessed on 2016-01-18.
  5. Thompson, T. E. and G. H. Brown (1984). Biology of Opisthobranch Molluscs Vol 2. 229 pp. 41 Pls. Ray Society, page 60.
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