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
Order:	Nudibranchia
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 Tor Bay, 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]