Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica) Author Soto, Joan J. Author Peña, Álvaro L. text Zootaxa 2019 2019-03-22 4570 1 1 78 journal article 27992 10.11646/zootaxa.4570.1.1 66601a1e-ba16-41b2-b182-0fd80e75ccba 1175-5326 2608527 EF369E98-EBD9-4647-B081-65AD1794A27C Oswaldella delicata Peña Cantero, Svoboda & Vervoort, 1997 ( Fig. 16 k–l) Material examined. ANT XXI/2 : PS65/278 , one stem, c. 10 mm high, on H. arboreum . Ecology and distribution. Previously found at depths between 126 ( Peña Cantero 2008 ) and 440 m ( Peña Cantero et al. 1997a ); present material at 119– 120 m . West Antarctic distribution ( Peña Cantero & Vervoort 2004 ).