Palio (gastropod)Palio is a genus of sea slugs, dorid nudibranchs, shell-less marine gastropod molluscs in the family Polyceridae.SpeciesThe following species are recognised in the genus Palio:Palio amakusana Palio dubia Palio gracilis Palio ionica Korshunova, Sanamyan & Martynov, 2015Palio nothus Palio zosterae eelgrass polycera