(Fig. 7a)
Material examined. ANT XV/3: 48-77, few hydrothecae, on Halecium pseudodelicatulum Peña Cantero, 2014; ANT XVII /3: 111-5, several hydrothecae, on L. dumosa and O. terranovae, with gonothecae; 111-9, numerous hydrothecae, on O. terranovae, T. longstaffi and polychaete tube; 111-18, numerous hydrothecae, on C. hicksoni, H. interpolatum, O. terranovae, Sc. nana and undeterminate hydrorhiza; ANT XXI /2: PS65/251, numerous hydrothecae, on O. terranovae; PS65/281, several hydrothecae, on B. subrufa and Sy. cumberlandicus.
Ecology and distribution. Species reported at depths from five (Stepanjants 1979) to 701 m (Peña Cantero 2014a); present material comes from 62 to 360 m. Pan-Antarctic species (Peña Cantero & Vervoort 2009).