Symplectoscyphus sp. 3 Peña Cantero & García Carrascosa 1995: 90 –92, fig. 40 a –e.
Sertularella curvatus – Naumov & Stepanjants 1972: 45 –46, fig. 7.
Symplectoscyphus anae Peña Cantero et al. 2002: 1515 –1519, fig. 2; Peña Cantero 2006: 942, fig. 4 E; 2008: 460.
Ecology. Shelf species, collected at depths from 20 ( Naumov & Stepanjants 1972) to 640 m ( Peña Cantero et al. 2002). On bottoms of mud, mud with stones, stones, rocks with stones, and bottoms of hydroids, sponges and algae ( Naumov & Stepanjants 1972; Peña Cantero et al. 2002). Epilithic on pebbles ( Peña Cantero 2008) and epibiotic on sponges and bryozoans ( Naumov & Stepanjants 1972; Peña Cantero et al. 2002), tubes of polychaetes ( Peña Cantero et al. 2002; Peña Cantero 2008), dead gorgonians (Peña Cantero 2006; 2008; 2010; 2010) and hydrozoans ( Peña Cantero et al. 2002; Peña Cantero 2006; 2008). Used as a substratum by other species of hydroids ( Peña Cantero et al. 2002; Peña Cantero 2008; 2010). Gonothecae: January ( Peña Cantero et al. 2002).
Distribution. Circum-Antarctic ( Peña Cantero et al. 2002). West Antarctica: Elephant Island ( Peña Cantero & García Carrascosa 1995), the South Shetland Islands (Peña Cantero 2006; 2008) and the south and east coasts of the Weddell Sea ( Peña Cantero et al. 2002). East Antarctica: Adélie Coast ( Naumov & Stepanjants 1972).