Onchidoris muricata

Onchidoris muricata
Two specimens of the nudibranch Onchidoris muricata with egg spirals, 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:	Onchidoris
Species:	O. muricata
Binomial name
Onchidoris muricata (O. F. Müller, 1776)
Synonyms
Doris muricata O. F. Müller, 1776 Doris aspera Alder & Hancock, 1842 Doris diaphana Alder & Hancock, 1845 Doris ulidiana Thompson W., 1845 Lamellidoris aspera (Alder & Hancock, 1842) Lamellidoris diaphana (Alder & Hancock, 1845) Lamellidoris muricata (O. F. Müller, 1776) Onchidoris aspera (Alder & Hancock, 1842)

clade Euthyneura
clade Nudipleura
clade Nudibranchia
clade Euctenidiacea
clade Doridacea

Onchidoris muricata is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusc in the family Onchidorididae.

This species was described from Norway. It is currently known from the European coasts of the North Atlantic Ocean as far south as the British Isles and the north-west Atlantic as far south as Maine. It is reported from the north-east Pacific Ocean coasts of North America from Friday Harbor, Washington south to Lion Rock, San Luis Obispo County, California.

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