Additions to knowledge of the biodiversity of benthic hydroids (Cnidaria: Hydrozoa) in the Balleny Islands (Antarctica) Author Peña Cantero, Álvaro L. text Zootaxa 2021 2021-05-04 4966 3 321 336 journal article 6521 10.11646/zootaxa.4966.3.4 67f48cde-c614-4032-8c46-e21235b87124 1175-5326 4736691 F4CABF6C-1993-4112-A03E-4DBF708BB025 Oswaldella terranovae Peña Cantero & Vervoort, 1996 Oswaldella stepanjantsae Peña Cantero & Vervoort, 2004: 847–850 , fig. 15. Material examined. TAN 0602/447 , one colony with two stems up to 130 mm high ( NIWA 144247). Ecology and distribution. Previously known in the area from depths between 55 and 146 m off Buckle Island ( Peña Cantero & Vervoort 2004 ); present material collected at depths from 74 to 130 m off Young Island.