Description: Prostomium anteriorly weakly incised, with five filamentous antennae. No eyes. First segment with a pair of filamentous tentacular cirri and two small papillae. Following segments dorsally with a transversal row of 4-5 small and two tiny papillae. Integument smooth. Parapodia conical, with a short ventral cirrus and 3-5 simple chaetae.
Size: Up to 5 mm long for 26 segments.
Colour: Transparent.
Habitat: Commensal with Terebellides stroemi .
Distribution: Skagerrak, Kattegat.
Kingdom Animalia Phylum Annelida Class Polychaeta Order Phyllodocida Superfamily Glyceroidae Family Sphaerodoridae Genus Commensodorum Species Commensodorum commensalis
