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 Antarctoscyphus elongatus ( Jäderholm, 1904 ) ( Fig. 1H ) Material examined. TAN 0102/K0809 , one basally broken stem 90 mm long ( NIWA 144358); TAN 0602/430 , one stem 85 mm high ( NIWA 144242). Ecology and distribution. Present material, which represents the first record of this species from the Balleny Islands, collected at depths from 70 to 292 m , off Young and Buckle islands.