Sphaerodoris Bergh 1877 Actinocyclus is a genus of sea slugs, dorid nudibranchs, shell-less marine gastropod molluscs in the family Actinocyclidae,[2] and was first described by Christian Gottfried Ehrenberg in 1831.

[2][3] Species in the genus Actinocyclus include:[4][5][6][7]

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