Symplectoscyphus liouvillei (Billard, 1914)

Sertularella liouvillei Billard 1914: 24 –26, figs 14, 15.

Symplectoscyphus liouvillei – Stechow 1922: 148; 1923: 172; Gravier-Bonnet 1979: 52; Blanco 1982: 41; Vervoort 1993: 240; Peña Cantero et al. 2002: 1540 –1545, figs. 8–10; Peña Cantero 2006: 943, fig. 4I; 2008: 461, fig. 2i; Peña Cantero & Gili 2006: 768.

Sertularella (Symplectoscyphus) liouvillei – Broch 1948: 5, 9–13, fig. 3b–d [in part, part belongs to S. cumberlandicus (Jäderholm, 1905)].

? Sertularella liouvillei – Stepanjants 1972: 71, fig. 46; 1979: 80, pl. 14, fig. 2.

Sertularella aggregata – Stepanjants 1979: 82, pl. 15, fig. 2A, B.

Lafoea weddelli Blanco 1991: 12 –13, fig. 3.

Ecology. Shelf species, collected at depths from 65 (Peña Cantero 2008) to 443 m (Peña Cantero 2006). On bottoms of mud and gravel (Billard 1914; Broch 1948). Epilithic on gravel and rocks (Stepanjants 1979) and stones (Peña Cantero 2006). Used as substratum by other hydroids (Peña Cantero et al. 2002). Gonothecae: January (Peña Cantero et al. 2002), February (Stepanjants 1979; Peña Cantero et al. 2002) and March (Stepanjants 1979).

Distribution. West-Antarctic-Patagonian. Antarctic waters: King George Island (Billard 1914) and Livingston Island (Peña Cantero 2006; 2008), in the South Shetland Islands, Bouvet Island (Broch 1948), the South Orkney Islands (Stepanjants 1979) and in the Weddell Sea, at 76º43'S, 50º29'W (Blanco 1991) and the south and east coasts (Peña Cantero et al. 2002). Sub-Antarctic waters: Falkland Islands (Stepanjants 1979).