(Fig. 10 b–d)
Material examined. ANT XV/3: 48-44, one colony, c. 50 mm high; 48-63, one colony, c. 70 mm high; 48-72, one colony, c. 15 mm high; 48-77, one colony, c. 75 mm high; ANT XVII /3: 111-18, one colony, c. 35 mm high, on O. terranovae; ANT XXI /2: PS65/132, one colony, c. 85 mm high; PS65/148, one colony, c. 55 mm high; PS65/166, one colony, c. 65 mm high; PS65/174, one colony, c. 105 mm high; PS65/175, some stems, c. 60, 75 and 80 mm high; PS65/237, one colony, c. 95 mm high, with developing gonothecae; PS65/278, one colony, c. 65 mm high; PS65/279, one colony, c. 100 mm high; PS65/280, few stems, c. 10 mm high; PS65/281, few stems, up to 15 mm high.
Ecology and distribution. Species reported at depths between 10 (Naumov & Stepanjants 1972, as
Sertularella elongata) and 1958 m (Peña Cantero 2012); present material collected from 82 to 360 m. Antarctic- Kerguélen species (Peña Cantero 2012).