Antarctoscyphus elongatus (Jäderholm, 1904)
Sertularella elongata — Totton, 1930: 199.
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 mm long (NIWA 117547); Stn 53, two stems up to 45 mm high (NIWA 117548); Stn 198, stem 14 mm high 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 Islands and Cape Hallet.