Oxynoidae: Roburnella wilsoni (Tate, 1889) (‘Wilson’s roburnella sea-slug’)

Synonym(s): wilsoni Tate, 1889.
Typical body-length 15 mm. Lives intertidally and subtidally amongst seaweed, particularly Caulerpa species, on which it feeds. Native. Endemic to southeastern and southwestern Australia (TAS, VIC, SA and WA).