Three new species of Heteromastus (Annelida, Capitellidae) from Korean waters, with genetic evidence based on two gene markers Author Jeong, Man-Ki Author Soh, Ho Young Author Suh, Hae-Lip text ZooKeys 2019 869 1 18 http://dx.doi.org/10.3897/zookeys.869.34380 journal article http://dx.doi.org/10.3897/zookeys.869.34380 1313-2970-869-1 50D49A54A3864738AE1F393B77EC652C 5E1D7C137E42575296C2A10148C7891D Genus Heteromastus Eisig, 1887 Type species. Heteromastus filiformis ( Claparede , 1864). Type locality. Port-Vendres, France. Generic diagnosis (modified after Magalhaes and Blake (in press) ). Prostomium short to long, conical, eyespots present or absent. Thorax with 11 chaetigers. Chaetiger 1 biramous. Chaetigers 1-5 with only capillary chaetae, chaetigers 6-11 with long-shafted hooded hooks. Abdominal chaetigers with short-shafted hooded hooks. Branchiae present or absent on posterior abdomen. Genital pores presence on posterior thoracic chaetigers. Lateral organs distinct on thorax and indistinct on abdomen. Pygidium adorned with ventral caudal cirrus.