Oswaldella grandis Peña Cantero, Svoboda & Vervoort, 1997

Molinero, A. González & Peña Cantero, A. L., 2015, SEM study of species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa, Kirchenpaueriidae), with an annotated checklist of the species of the genus, Zootaxa 4052 (4), pp. 401-441 : 436

Oswaldella grandis Peña Cantero, Svoboda & Vervoort, 1997

Oswaldella grandis Peña Cantero, Svoboda & Vervoort, 1997: 363 –367, figs 7, 14C, D; Peña Cantero & García Carrascosa, 1998: 179; 1999: 212 et seq.; Peña Cantero & Vervoort, 1998: 36; 2004: 833–835, fig. 9; 2009: 86; Peña Cantero & Marques, 1999: 85; Peña Cantero & Ramil, 2006: 953, figs 2D, 3A–C; Peña Cantero, 2008: 457; 2013: 129–130. Oswaldella bifurca — Peña Cantero, 1991: 175, pl. 32; Peña Cantero & García Carrascosa, 1994: 125, fig. 8d–f; 1995: 101–104, fig. 45A–E.

? Oswaldella bifurca — Naumov & Stepanjants, 1962: 98; Stepanjants, 1979: 112, pl. 21 fig. 4; Blanco, 1984: 43, pl. 39 figs 89, 90, pl. 40 figs 91–93, pl. 41 fig. 94.

Ecology. Eurybathic species, found at depths between 20 ( Peña Cantero & Vervoort 2009) and 922 m ( Peña Cantero & Ramil 2006), on muddy bottoms and on bottoms with small stones (Peña Cantero et al. 1997). Basibiont of other hydroids (Peña Cantero et al. 1997; Peña Cantero 2008). Gonothecae: January (Peña Cantero et al. 1997; Peña Cantero & Vervoort 2004; Peña Cantero & Ramil 2006; Peña Cantero 2008) and February (Peña Cantero et al. 1997; Peña Cantero 2008; Peña Cantero & Vervoort 2009).

Distribution. West Antarctic ( Peña Cantero & Vervoort 1998), known from the Weddell Sea (Peña Cantero et al. 1997), off Elephant Island (Peña Cantero & García Carrascosa 1995), Bransfield Strait ( Peña Cantero & Ramil 2006), off Deception Island ( Peña Cantero & Vervoort 2004; Peña Cantero 2008), off Low Island (Peña Cantero 2013), and off King George Island ( Peña Cantero & Vervoort 2009) and off Livingston Island ( Peña Cantero 2008), in the South Shetland Islands.