Polycerella is a genus of sea slugs, dorid nudibranchs, shell-less marine gastropod mollusks in the family Polyceridae.
Species Species in the genus Polycerella include: Polycerella conyna E. Marcus, 1957 Polycerella davenportii Polycerella emertoni A. E. Verrill, 1881 Polycerella glandulosa Behrens and Gosliner, 1988
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