Staurotheca dichotoma Allman, 1888

Soto, Joan J. & Peña, Álvaro L., 2019, Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica), Zootaxa 4570 (1), pp. 1-78 : 29

Staurotheca dichotoma Allman, 1888

( Fig. 9b )

Material examined. ANT XV/3: 48-276, several stems, c. 30 mm high, on gravel; ANT XXI/2: PS65/121, mass of stems, c. 120 mm high.

Ecology and distribution. Species reported at depths from 82 ( Totton 1930) to 1235 m (Peña Cantero in press); present material collected between 268 and 417 m. Antarctic-Kerguélen distribution ( Peña Cantero & Vervoort 2003).

Figures

FIGURE 9. a Staurotheca antarctica: stem showing hydrothecal arrangement. b St. dichotoma: stem showing hydrothecal arrangement; c–d St. frigida: c stem with male gonothecae; d stem with female gonotheca. e St. glomulosa: hydrotheca. f St. nonscripta: stem showing hydrothecal arrangement. g–h St. pachyclada: g stem showing hydrothecal arrangement; h hydrotheca. i–j St. vanhoeffeni: i colony; j stem showing hydrothecal arrangement. k St. polarsterni: stem showing hydrothecal arrangement and female gonothecae.