Amphictene alata sp. n. Scanning electron micrographs of paratype SCSMBC006683. A dorsal view of anterior end B ventral view of anterior end C lateral view of anterior end D left dorsal lateral lobe on segment 3 E some examples of the scaphal hooks F, H, I ventral view of notochaetae from chaetiger 2 G dorsal view of notochaetae from chaetiger 2 J ventral view of notochaetae from chaetiger 4 K, L and M ventral neurochaetae from chaetiger 4, 6 and 13, respectively N and O dorsal neurochaetae from chaetiger 5 and 16, respectively P dorsolateral view of scaphe Q ventral view of scaphe. Scale bars: 2 mm (A–C); 500 μm (D); 100 μm (E, J); 200 μm (F, G); 20 μm (H, I); 5 μm (K–M, O); 10 μm (N); 1 mm (P, Q). Abbreviations for morphological characters have been defined in Material and methods.