Aricidea (Acmira) anusakdii sp. nov. A anterior region, dorsal view B the buccal lip; ventral view C posterior modified neurochaetae. Abbreviations: An: antenna, br: branchia, neL: neuropodial postchaetal lobe, noL: notopodial postchaetal lobe, nuO: nuchal organ, pr: prostomium, simple C: simple chaetae).