page_title: Okenia aspersa
section_title: Distribution
hierarchical_section_title: Okenia aspersa / Distribution
caption_attribution_description: English: Alder J. &amp; 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 1 Fam. 1 Plate 26 [1845] Idalia aspersa Alder &amp; Hancock, 1845 synonym Okenia aspersa (Alder &amp; Hancock, 1845) accepted name
context_page_description: Okenia aspersa is a species of sea slug, a Dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.
context_section_description: This species was first described from Cullercoats, North Sea. It has subsequently been reported widely in Britain and Ireland and north to Norway and south to Arcachon Bay, France.
caption: Okenia aspersa illustration accompanying the original description in  A monograph of the British nudibranchiate Mollusca
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