{{Short description|Species of gastropod}} {{Speciesbox | image = | image_caption = | genus = Cadlina | species = affinis | authority = Odhner, 1934<ref>Odhner N. H. (1934). [https://biodiversitylibrary.org/page/49466106 The Nudibranchiata of British Antarctic Expedition. British Antarctic ("Terra Nova") Expedition, 1910.] Natural history reports. Zoology. 7: 229-310.</ref> | synonyms = }}
'''''Cadlina affinis''''' is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Cadlinidae.<ref name="WoRMS">MolluscaBase (2018). [http://www.molluscabase.org/aphia.php?p=taxdetails&id=241251 ''Cadlina affinis'' Odhner, 1934.] Accessed on 2018-12-03.</ref>
== Distribution == This species was described from four specimens trawled at McMurdo Sound at the following positions {{coord|76|56|S|164|12|E|scale:3000000}}, 293 m., {{coord|77|46|S|166|8|E|scale:3000000}}, 547 m. and off Granite Harbour, entrance to McMurdo Sound, 92 m.
==References== {{Reflist}}
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Category:Cadlinidae Category:Gastropods described in 1934 Category:Taxa named by Nils Hjalmar Odhner