Symplectoscyphus curvatus (Jäderholm, 1917)

Symplectoscyphus curvatus — Totton 1930: 192–193, fig. 40a, b, pl. 2, figs 1–3; Peña Cantero, 2010a: 36 (synonymy); 2010b: 769–770; 2012: 861; 2013: 132–133; 2014a: 1724, fig. 6b.

Material examined. Stn 8, few stems up to 20 mm high on Schizotricha turqueti (MNCN 2.03/635); Stn 25, numerous stems up to 80 mm high on tube of polychaete, with gonothecae (NIWA 117574); Stn 130, stem fragment 25 mm long (NIWA 117575); Stn 205, colony with six stems up to 19 mm high on stem of unidentifiable hydroid growing on pebbles (NIWA 117576); Stn 206, colony with nine stems up to 20 mm high on axis of dead gorgonian (MNCN 2.03/636).

Ecology and distribution. Eurybathic species (Peña Cantero 2010a), collected at depths from 49 (Peña Cantero 2008) to 2043 m (Peña Cantero 2012); present material between 110 and 1014 m, epibiotic on tube of polychaete, axis of dead gorgonian and Schizotricha turqueti, and with gonothecae in February.

Circum-Antarctic distribution (Stepanjants 1979). Recently reported from off Peter I Island (Peña Cantero 2010b), Bellingshausen Sea (Peña Cantero 2012), and off Low Island (Peña Cantero 2013), in West Antarctica; and off Queen Mary Coast (Peña Cantero 2014a), in East Antarctica . See Peña Cantero (2010a) for previous records. In the Ross Sea, already known off Cape Adare (Totton 1930). Present material off Cape Adare and Possession Islands .