Heteromastus Eisig 1887

Heteromastus is a genus of annelids belonging to the family Capitellidae.

The genus has cosmopolitan distribution.

Species:

Heteromastus caudatus (Hartman, 1976) Heteromastus filiformis (Claparède, 1864) Heteromastus filobranchus Berkeley & Berkeley, 1932 Heteromastus giganteus Zachs, 1933 Heteromastus gusipoensis Jeong, Soh & Suh, 2019 Heteromastus hutchingsae Green, 2002 Heteromastus koreanus Jeong, Soh & Suh, 2019 Heteromastus namhaensis Jeong, Soh & Suh, 2019 Heteromastus similis Southern, 1921 Heteromastus tohbaiensis Yabe & Mawatari, 1998

Prostomium short to long, conical, sometimes tapering, eyes present or absent. Thorax with 12 segments including an asetous peristomium and 11 setigers. Setiger 1 biramous. Setigers 1-5 with capillary setae, setigers 6-11 with long-shafted hooded hooks. Abdominal setigers with short-shafted hooded hooks. Branchiae may be present on posterior abdomen. [Green, 2002].