SEM study of species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa, Kirchenpaueriidae), with an annotated checklist of the species of the genus Author Molinero, A. González Author Peña Cantero, A. L. text Zootaxa 2015 4052 4 401 441 journal article 10.11646/zootaxa.4052.4.1 93f6d085-8e63-4d1e-89c1-f950128b2a61 1175-5326 245887 47EF6E9D-9064-4899-B3DD-276FF7C969EB Oswaldella blanconae El Beshbeeshy, 1991 Oswaldella blanconae El Beshbeeshy, 1991 : 263 , 265; Peña Cantero et al ., 1997: 344; Peña Cantero & García Carrascosa, 1998 : 179 ; 1999: 214; Peña Cantero & Vervoort, 1998 : 36 ; 2004: 820–822, fig. 3; Peña Cantero & Marques, 1999 : 85 . Oswaldella antarctica Blanco, 1984 : 41 , pl. 38 figs 86–88. Ecology. Shelf species, collected at depths from 90 ( Blanco 1984 ) to 351 m ( Peña Cantero & Vervoort 2004 ). Distribution. Circum-Antarctic ( Peña Cantero & Vervoort 2004 ). West Antarctica : off Low Island ( Blanco 1984 ). East Antarctica : east of Cape Hallett, Victoria Land, Ross Sea region ( Peña Cantero & Vervoort 2004 ).