Staurotheca frigida Peña Cantero, Svoboda & Vervoort, 1997

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

Staurotheca frigida Peña Cantero, Svoboda & Vervoort, 1997

( Fig. 9 c–d)

Material examined. ANT XV/3: 48-50, mass of stems, c. 40 mm high, with male gonothecae; 48-63, mass of stems, c. 25 mm high, with male gonothecae; 48-77, mass of stems, c. 20 mm high, with female gonothecae; 48- 189, mass of stems, c. 25 mm high, with male gonothecae; 48-194, mass of stems, c. 30 mm high, with male gonothecae; 48-220, mass of stems, c. 30 mm high, with female gonothecae; 48-222, mass of stems, c. 40 mm high, with male gonothecae; ANT XXI/2: PS65/121, mass of stems, c. 35 mm high, with female gonothecae; PS65/166, mass of stems, c. 25 mm high, with male gonothecae; PS65/248, mass of stems, c. 40 mm high, with female gonothecae; PS65/274, mass of stems, c. 40 mm high, with male gonothecae.

Ecology and distribution. Species known from depths between 57 ( Peña Cantero & Vervoort 2003) and 647 m ( Soto Àngel & Peña Cantero 2015); present material collected from 234 to 360 m. Antarctic-Kerguélen species ( 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.