Antarctoscyphus elongatus ( Jäderholm, 1904 )

Soto, Joan J. & Peña, Álvaro L., 2019, Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica), Zootaxa 4570 (1), pp. 1-78 : 32-33

Antarctoscyphus elongatus ( Jäderholm, 1904)

( Fig. 10 b–d)

Material examined. ANT XV/3: 48-44, one colony, c. 50 mm high; 48-63, one colony, c. 70 mm high; 48-72, one colony, c. 15 mm high; 48-77, one colony, c. 75 mm high; ANT XVII/3: 111-18, one colony, c. 35 mm high, on O. terranovae ; ANT XXI/2: PS65/132, one colony, c. 85 mm high; PS65/148, one colony, c. 55 mm high; PS65/166, one colony, c. 65 mm high; PS65/174, one colony, c. 105 mm high; PS65/175, some stems, c. 60, 75 and 80 mm high; PS65/237, one colony, c. 95 mm high, with developing gonothecae; PS65/278, one colony, c. 65 mm high; PS65/279, one colony, c. 100 mm high; PS65/280, few stems, c. 10 mm high; PS65/281, few stems, up to 15 mm high.

Ecology and distribution. Species reported at depths between 10 ( Naumov & Stepanjants 1972, as

Sertularella elongata ) and 1958 m ( Peña Cantero 2012); present material collected from 82 to 360 m. Antarctic- Kerguélen species ( Peña Cantero 2012).

Figures

FIGURE 10. a Antarctoscyphus asymmetricus: hydrotheca. b–d A. elongatus: b colony; c–d hydrothecae. e–g A. grandis: e colony; f hydrotheca; g gonotheca. h–j A. spiralis: h colony; i–j hydrothecae. k Sertularella sp.: hydrotheca.