Symplectoscyphus curvatus ( Jäderholm, 1917 )

Soto, Joan J. & Peña, Álvaro L., 2019, Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica), Zootaxa 4570 (1), pp. 1-78 : 34-35

Symplectoscyphus curvatus ( Jäderholm, 1917)

( Fig. 11c , 12c )

Material examined. ANT XV/3: 48-44, several stems, up to 30 mm high, with gonothecae; 48-77, few stems, up to 5 mm high, on H. jaederholmi ; 48-168, few stems, up to 66 mm high, with gonothecae; 48-222; several stems, up to 25 mm high, with gonothecae; ANT XXI/2: PS65/121, few stems, up to 30 mm high, on Sc. nana ; PS65/237, few stems, up to 9 mm high; PS65/248, one colony, up to 45 mm high, on octocoral, with developing gonothecae; PS65/281, few stems, up to 15 mm high.

Ecology and distribution. Previously known from 49 ( Peña Cantero 2008) to 2043 m ( Peña Cantero 2012); present material found between 82 and 360 m. Circum-Antarctic species ( Stepanjants 1979).

Figures

FIGURE 11. a Symplectoscyphus anae: hydrotheca. b Sy. cumberlandicus: hydrotheca. c Sy. curvatus: hydrotheca. d Sy. exochus: hydrotheca. e Sy. frigidus: hydrotheca. f Sy. glacialis: hydrotheca. g Sy. liouvillei: hydrotheca. h Sy. naumovi: hydrotheca. i Sy. paulensis: hydrotheca. j Sy. plectilis: hydrotheca. k Sy. vanhoeffeni: hydrotheca. l Sy. weddelli: hydrotheca.

FIGURE 12. a Symplectoscyphus anae: gonotheca. b Sy. cumberlandicus: gonotheca. c Sy. curvatus: gonotheca. d Sy. exochus: gonotheca. e Sy. glacialis: gonotheca. f–g Sy. liouvillei: f colony; g gonotheca. h Sy. naumovi: gonotheca. i Sy. plectilis: gonotheca. j Sy. vanhoeffeni: gonotheca. k Sy. weddelli: gonotheca.