Palio amakusana is a species of sea slug, a nudibranch, a shell-less marine gastropod mollusc in the family Polyceridae.Bouchet, P. (2015). Palio amakusana (Baba, 1960). In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2015-12-13.
Distribution This species was described from Japan.
Description Palio amakusana is similar in shape to Palio dubia with a high-sided body and small rounded tubercles along the pallial margin. There are slightly smaller white tubercles scattered over the back and sides. It is translucent yellow-orange in colour. There is a prominent, white, extra-brachial appendage on either side of the gills.DS Exiles, (2010) Palio amakusana [in] Sea Slugs of the Mediterranean Sea and elsewhere.
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