Totton, 1930 : 199 Antarctoscyphus elongatus Benthic hydroids (Cnidaria, Hydrozoa) from the Ross Sea (Antarctica) collected by the New Zealand Antarctic expedition BioRoss 2004 with RV Tangaroa ÁLVARO L. PEÑA CANTERO Zootaxa 2017 2017-07-14 4293 1 1 65 Jaderholm, 1904 Jaderholm 1904 [151,712,152,178] Hydrozoa Sertulariidae Antarctoscyphus Animalia Leptothecata 37 38 Cnidaria species elongatus    Antarctoscyphus elongatus—Peña Cantero et al., 1999: 1745–1748, fig. 2A–F (synonymy); Peña Cantero & Gili, 2006: 767; Peña Cantero, 2006: 938–939, fig. 3j; 2008: 458; 2012: 858; 2014a: 1721, fig. 4h; Galea & Schories, 2012: 9, fig. 2L, M.   Material examined.Stn 14, stem fragment 15 mmlong (NIWA 117547); Stn 53, two stems up to 45 mmhigh (NIWA 117548); Stn 198, stem 14 mmhigh on gravel (MNCN 2.03/619).  Ecology and distribution.Revised by Peña Cantero et al.(1999) and Peña Cantero (2006). Eurybathic species collected at depths from 10 ( Naumov & Stepanjants, 1972) to 1958 m( Peña Cantero 2012); present material from 197 to 451 m, epilithic on gravel.  Antarctic-Kerguelen distribution ( Peña Cantero 2012). Recently recorded from off Bouvet Island( Peña Cantero & Gili 2006), Livingston Island(Peña Cantero 2006, 2008), Deception Island( Peña Cantero 2008), King George Island( Galea & Schories 2012) and the Bellingshausen Sea ( Peña Cantero 2012), in West  Antarctica, and from off Queen Mary Coast( Peña Cantero 2014a), in East  Antarctica. See Peña Cantero et al.(1999) for previous records. In the Ross Sea, already known from McMurdo Sound ( Totton 1930). Present material off Adare Peninsula, Possession Islandsand CapeHallet. 1572325137 Antarctica Bouvet Island Deception Island Livingston Island 37 38 1 Coast 1572325142 Antarctica Possession Islands 37 38 1 Cape