Gosliner T.M.; Johnson S. (1994). Review of the genus Hallaxa (Nudibranchia: Actinocyclidae) with descriptions of nine new species. The Veliger. 37(2): 155-191.
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Gosliner T.M.; Johnson S.
1994
Review of the genus <i>Hallaxa</i> (Nudibranchia: Actinocyclidae) with descriptions of nine new species