Diagnosis. Prostomium rectangular with thickened anterior
margin, without lobes or glandular ridges. Buccal tentacles
smooth. Four pairs of cirriform branchiae arranged as 2þ1þ1on
segments II–IV respectively; two anterior pairs in transverse row without median gap. Chaetae on segment II (paleae) absent.
Number of thoracic and abdominal chaetigers interspecifically
variable. Modified segments absent. Abdominal neuropodia gradually
increasing in size forming pinnules from about 4th
abdominal chaetiger. Anal cirri absent.