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The genus Phanerophthalmus has a remarkable resemblance to members of the family Aglajidae, and until quite recently was considered to be a member of that family. It is an herbivorous opisthobranch, closely related to the genus Haminoea, with a similar radula and gizzard plates.
More information on Phanerophthalmus albocollaris are on Bill Rudman's Sea Slug Forum!
How to cite:
Köhler, E. (2016), published 24 June 2016, Phanerophthalmus albocollaris Heller & Thompson, 1983
available from http://www.Philippine-Sea-Slugs.com/Cephalaspidea/Phanerophthalmus_albocollaris.htm