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 niobae Peña Cantero & Ramil, 2006 Oswaldella niobae Peña Cantero & Ramil, 2006 : 953 –955, figs 4, 5. Ecology. Deep-water species, found at depths between 699 and 922 m ( Peña Cantero & Ramil 2006 ). Gonothecae : January ( Peña Cantero & Ramil 2006 ). Distribution. West Antarctic ( Peña Cantero & Ramil 2006 ), known only from Bransfield Strait, off Livingston Island .