Epitokous metamorphosis, reproductive swimming, and early development of the estuarine polychaete, Neanthes glandicincta Southern, 1921 (Annelida, Nereididae) on the east coast of the Malay Peninsula

Atokes (A–F) and an epitoke (G) of Neanthes glandicincta (Southern, 1921) collected from the Lower Songkhla Lagoon, Thailand A prostomium of an atoke (ind. no. 10 with BW of 1.7 mm, PMBC 21209) B anterior view of an everted proboscis, showing a pair of small nipple-like round papillae on area VI in an atoke (ind. no. SL-2 with BW of 1.5 mm, PMBC 21212) C–F paragnaths in areas I (C), II (anterior and middle parts of left side, D), III (central part, E), and IV (right side, F) of an atoke (ind. no. 1 with BW of 2.3 mm, PMBC 21209) G dorsal (upper) and ventral (lower) views of the right jaw of a male epitoke (ind. no. 3M with BW of 1.2 mm, PMBC 20732).