Genus Dodecaceria Örsted, 1843

Type species: Chaetozone setosa Malmgren, 1867

Diagnosis (after Blake 1996b). Prostomium blunt, forming hood over mouth. Peristomium long, achaetous, with pair of thick, grooved lateral tentacles at junction with chaetiger 1. Several pairs of branchial filaments extending over anterior segments. Chaetae simple, including capillaries and stout, acicular, spoon-shaped hooks.