Symplectoscyphus anae Peña Cantero, Svoboda & Vervoort, 2002

ÁLVARO L. PEÑA CANTERO, 2017, Benthic hydroids (Cnidaria, Hydrozoa) from the Ross Sea (Antarctica) collected by the New Zealand Antarctic expedition BioRoss 2004 with RV Tangaroa, Zootaxa 4293 (1), pp. 1-65 : 40

Symplectoscyphus anae Peña Cantero, Svoboda & Vervoort, 2002

( Figs 12 C, 13A)

Symplectoscyphus anae — Peña Cantero, 2010a: 35 (synonymy); 2013: 131–132, fig. 4A; 2014a: 1723–1724, fig. 6a.

Material examined. Stn 63, three stems up to 7 mm high (MNCN 2.03/633); Stn 67, several stems up to 20 mm high on Staurotheca nonscripta (NIWA 117572); Stn 126, several stems up to 5 mm high on Staurotheca densa (MNCN 2.03/634); Stn 130, few stems up to 6 mm high on Staurotheca densa (NIWA 117573).

Ecology and distribution. Shelf species ( Peña Cantero 2010a) collected at depths from 20 ( Naumov & Stepanjants 1972) to 640 m ( Peña Cantero et al. 2002); present material from 120 to 312 m, epibiotic on Staurotheca densa and S. nonscripta .

Circum-Antarctic species ( Peña Cantero et al. 2002). Recently reported from off Low Island (Peña Cantero 2013), in West Antarctica , and off Queen Mary Coast ( Peña Cantero 2014a), in East Antarctica . See Peña Cantero (2010a) for previous records. Present material is the first record from the Ross Sea, collected off Cape Adare and Cape Hallet.

Figures

FIGURE 12. Antarctoscyphus admirabilis Peña Cantero, Svoboda & Vervoort, 1999: A, branch internode with hydrotheca. Symplectoscyphus aggregatus (Jäderholm, 1917): B, fragment of branch with hydrothecal arrangement and shape. Symplectoscyphus anae Peña Cantero, Svoboda & Vervoort, 2002: C, internode with hydrotheca. Symplectoscyphus densus sp. nov.: D – E, fragment of branch with hydrothecal arrangement and shape; Symplectoscyphus exochus Blanco, 1982: F, internode with hydrotheca. Symplectoscyphus liouvillei (Billard, 1914): G, internode with hydrotheca. Symplectoscyphus vanhoeffeni Totton, 1930: H, internode with hydrotheca. Symplectoscyphus weddelli Peña Cantero, Svoboda & Vervoort, 2002: I, internode with hydrotheca. Symplectoscyphus sp. 1: J, internode with hydrotheca. Symplectoscyphus sp. 2: K, internode with hydrotheca. (A from Stn 17; B from Stn 112; C from Stn 126; D from Stn 7 (holotype); E from Stn 97 (paratype); F from Stn 67; G from Stn 150; H from Stn 130; I, from Stn 53; J from Stn 7; K from Stn 25). Scale bar: 250 µm.