Staurotheca polarsterni 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 : 31

publication ID	https://doi.org/10.11646/zootaxa.4570.1.1
publication LSID	lsid:zoobank.org:pub:EF369E98-EBD9-4647-B081-65AD1794A27C
DOI	https://doi.org/10.5281/zenodo.5934947
persistent identifier	https://treatment.plazi.org/id/03B887B7-A470-FFEC-E983-FD39FB4B9F28
treatment provided by	Plazi (2019-03-26 09:15:50, last updated 2024-11-28 19:20:03)
scientific name	Staurotheca polarsterni Peña Cantero, Svoboda & Vervoort, 1997
status

Treatment

( Fig. 9k View FIGURE 9 )

Material examined. ANT XV/3: 48-63, one colony, c. 40 mm high; 48-70, one colony, c. 90 mm high; 48-72, several stems, c. 130 mm high; 48-77, one colony, c. 40 mm high; 48-82, one colony, c. 75 mm high, on stone; 48- 97, numerous stems, up to 110 mm high; 48-150, numerous stems, up to 120 mm high, on gravel, with male gonothecae; 48-154, numerous stems, up to 140 mm high, with female gonothecae; 48-197, numerous stems, up to 100 mm high; ANT XXI/2: PS65/248, several stems, up to 80 mm high; PS65/253, one colony, c. 75 mm high; PS65/265, one colony, c. 130 mm high, with female gonothecae; PS65/274, one colony, c. 85 mm high.

Ecology and distribution. Previously collected at depths between 181 and 1030 m ( Peña Cantero et al. 1997b); present material from 230 to 758 m. Circum-Antarctic species ( Peña Cantero et al. 1997b).

References

Pena Cantero, A. L., Svoboda, A. & Vervoort, W. (1997 b) Species of Staurotheca Allman, 1888 (Cnidaria, Hydrozoa) from recent Antarctic expeditions with R. V. ' Polarstern', with the description of six new species. Journal of Natural History, 31, 329 - 381. https: // doi. org / 10.1080 / 00222939700770171

Svoboda, A., Stepanjants, S. & Smirnov, I. (1997) Two polar Hydractinia species (Cnidaria), epibiotic on two closely related brittle stars (Echinodermata): an example for taxonomic and ecological bipolarity. In: Battaglia, B., Valencia, J. & Walton, D. W. H. (Eds.), Antarctic Communities: Species, Structure and Survival. Cambridge University Press, Cambridge, pp. 22 - 25

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.