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 delicata Peña Cantero, Svoboda & Vervoort, 1997 Oswaldella delicata Peña Cantero, Svoboda & Vervoort, 1997 : 353 –355, figs 3, 13C; Peña Cantero & Vervoort, 1998 : 36 ; 2004: 823, fig. 4; Peña Cantero & García Carrascosa, 1999 : 214 ; Peña Cantero & Marques, 1999 : 85 ; Peña Cantero, 2008 : 457 . ? Oswaldella sp. 1 Peña Cantero & Vervoort, 1995: 334–336, fig. 2. Ecology. Shelf species found at depths between 126 ( Peña Cantero 2008 ) and 440 m (Peña Cantero et al . 1997), on muddy bottoms (Peña Cantero et al . 1997). Epibiotic on hydrorhizal stolons of Schizotricha turqueti ( Peña Cantero 2008 ) . Gonothecae : February (Peña Cantero et al . 1997). Distribution. West Antarctic ( Peña Cantero & Vervoort 2004 ), known from the Weddell Sea (Peña Cantero et al . 1997; Peña Cantero & Vervoort 2004 ) and the South Shetland Islands ( Peña Cantero 2008 ).