Most Lumbrineridae are free living, burrowing forms. They burrow in sand, mud, between algal hold-fasts and plant-roots. They occur on sandy and muddy bottoms in shallow depths. Some species, however, appear in large numbers in deep-water areas. 

Whole segment

Prostomium

   Prostomium is rounded to conical. No palps, no eyes and no antennae found. 

   Head appendages and tentacular cirri are also absent.

   Lumbrineridae have well-developed mandible and maxillae. 

Parapodia and Setae

   Parapodia are uniramous. Some species have dorsal cirri.

   Setae include winged capillaries and simple or compound hooded hooks.

Parapodia uniramous

Capillary setae