Halgerda johnsonorum is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Discodorididae.
Distribution This species is found in the tropical western Pacific, at the Marshall Islands.Rudman, W.B., 2000 (June 26) Halgerda johnsonorum Carlson & Hoff, 2000. [In] Sea Slug Forum. Australian Museum, Sydney.
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