Akabosia matsudoensis 82 chaetotaxy of Abd. I–III 83 chaetotaxy of Abd. IV 84 chaetotaxy of Abd. V 85 anterior face of ventral tube 86 posterior face and lateral flap of ventral tube 87 mucro. Scale bars: 50 μm (82, 83); 20 μm (84–87).