Symplectoscyphus naumovi Blanco, 1969

(Fig. 11h, 12h)

Material examined. ANT XV/3: 48-31, some stems, up to 17 mm high, on O. terranovae and Tubularia sp.2, with gonothecae; 48-44, some stems, up to 40 mm high, on S. lobata, with gonothecae; 48-168, few stems, up to 5 mm high, on H. pseudodelicatulum; 48-194, some stems, up to 40 mm high, on Oswaldella tottoni Peña Cantero & Vervoort, 1996 and Sc. nana, with gonothecae; 48-220, some stems, up to 13 mm high, on Sc. nana; 48-276, some stems, up to 10 mm high, on Sc. nana; ANT XVII /3: 111-5, some stems, up to 10 mm high, on O. terranovae, with gonothecae; 111-9, some stems, up to 13 mm high, on S. lobata; 111-19, some stems, up to 15 mm high, on Sc. unifurcata and Tubularia sp.1; ANT XXI /2: PS65/39, some stems, up to 20 mm high, on Sc. nana and S. lobata, with gonothecae; PS65/121, one colony, c. 10 mm high, with developing gonothecae; PS65/175, some stems, up to 12 mm high, on Eudendrium sp.1 and O. erratum; PS65/237, some stems, up to 20 mm high, on Sc. unifurcata; PS65/276, some stems, up to 10 mm high, on S. lobata; PS65/281, some stems, up to 13 mm high, on Sc. nana.

Ecology and distribution. Species known from the tidal level (Blanco 1984, as Symplectoscyphus plectilis) to 1379 m (Peña Cantero & Ramil 2006); present material collected between 62 and 417 m. Circum-Antarctic distribution (Peña Cantero & Ramil 2006).