Description: Body small and short; arched dorsally, flat ventrally. Dorsal side with tubercles, ventral side smooth. Prostomium indistinct, two antennae; no eyes. First segment with two big and two small tubercles. Following segments dorsally with two transversal rows of 4-5 big tubercles. Parapodia short, with one terminal papilla, a papilla dorsally at the base and a ventral cirrus and chaetae with smooth falciger blades (S. disticha-detail). Between anterior parapodia a small papilla.
Size: Up to 2.2 mm long for 15 segments.
Colour: In alcohol whitish.
Habitat: At 460 m depth, in grey mud.
Distribution: Known only from the Skagerrak.
Kingdom Animalia Phylum Annelida Class Polychaeta Order Phyllodocida Superfamily Glyceroidae Family Sphaerodoridae Genus Sphaerodoropsis Species Sphaerodoropsis disticha
