Branchiostoma nuda Newport, 1845: 412 Rhysida nuda —Chamberlin, 1920: 19
Rhysida nuda nuda —Attems, 1930: 189, figs 236–237 Rhysida nuda —Attems, 1938: 337
Rhysida nuda —Attems, 1953: 138
Rhysida nuda —Schileyko, 2007: 92
Previous records. QUANG NINH (Ha Long Archipelago); NGHE AN (Vinh) (Attems, 1938). Remarks. Also known from Cambodia (Attems, 1938).