Epitokous males (A, B, E) and a female (C, D) of Neanthes glandicincta (Southern, 1921) collected from the Lower Songkhla Lagoon, Thailand (PMBC 20732) A anterior view of left parapodium of chaetiger 5 in the pre-natatory region of a male epitoke B anterior view of right modified parapodium of chaetiger 34 in the natatory region of the same male as (A) C posterior view of right parapodium of chaetiger 3 of a female epitoke D posterior view of right parapodium of chaetiger 37 of the same female as (C) E enlargement of an epitokous paddle chaeta of another male epitoke. Abbreviations: dc, dorsal cirrus; vc, ventral cirrus. Scale bars: 0.1 mm (A, C); 0.5 mm (B, D); 0.05 mm (E).