Sertularella subdichotoma – Vanhöffen 1910: 326, fig. 41 a –e.
Symplectoscyphus vanhoeffeni Totton 1930: 187, fig. 38 a –d; Briggs 1938: 31; Leloup 1974: 47, fig. 39; Blanco 1982: 40; 1984: 36-37, pl. 30, figs. 67, 68; Branch & Williams 1993: 13, fig.; Vervoort 1993: 241; Bouillon et al. 1995: 74; Peña Cantero & García Carrascosa 1995: 82, fig. 35; Peña Cantero et al. 2002: 1556 –1560, fig. 15; Peña Cantero 2008: 461.
Sertularella vanhoeffeni – Naumov & Stepanjants 1972: 34, 40, fig. 4; Stepanjants 1972: 70; 1979: 77, pl. 17, fig. 5.
? Symplectoscyphus vanhoeffeni – Ralph 1961: 817, fig. 19 a –c.
Sertularella vanhoeffeni – Naumov & Stepanjants 1962: 82 (in part).
Ecology. Shelf species, found at depths from 6 ( Naumov & Stepanjants 1972) to 390 m ( Peña Cantero et al. 2002). On bottoms of detritus, mud, gravel, gravel and mud, stones and rocks ( Totton 1930; Briggs 1938; Naumov & Stepanjants 1972; Peña Cantero et al. 2002). Epibiotic on seaweeds ( Naumov & Stepanjants 1972), hydroids ( Totton 1930; Naumov & Stepanjants 1972), bryozoans ( Totton 1930; Naumov & Stepanjants 1972; Peña Cantero et al. 2002) and polychaete tubes ( Totton 1930; Peña Cantero 2008). Basibiont for other hydroids ( Stepanjants 1979; Peña Cantero 2008). Gonothecae: January ( Totton 1930; Stepanjants 1979; Peña Cantero et al. 2002; Peña Cantero 2008), February ( Stepanjants 1979; Peña Cantero et al. 2002), March and from July to December ( Stepanjants 1979).
Distribution. Circum-Antarctic ( Peña Cantero & García Carrascosa 1995). West Antarctica: Laurie Island, in the South Orkney Islands ( Peña Cantero & García Carrascosa 1995), Low Island ( Blanco 1984), Livingston Island, in the South Shetland Islands ( Peña Cantero 2008), Antarctic Peninsula ( Peña Cantero 2008) and the south and east coasts of the Weddell Sea ( Peña Cantero et al. 2002). East Antarctica: Cape Adare and McMurdo Sound, in the Ross Sea ( Totton 1930), Adélie Land ( Naumov & Stepanjants 1972), the Davis Sea ( Vanhöffen 1910; Briggs 1938; Stepanjants 1972, 1979) and the Cosmonauts Sea ( Stepanjants 1979).