(Fig. 9a)
Material examined. ANT XV/3: 48-168, mass of stems, c. 20 mm high; ANT XXI /2: PS65/292, one colony, c. 30 mm high, with male gonothecae.
Ecology and distribution. Species collected at depths between 55 (Peña Cantero & Vervoort 2003) and 866 m (Peña Cantero in press); present material from 228 to 598 m. Circum-Antarctic species (Peña Cantero & Vervoort 2003).