Published March 22, 2019 | Version v1
Taxonomic treatment Open

Oswaldella rigida Pena Cantero, Svoboda & Vervoort 1997

Description

Oswaldella rigida Peña Cantero, Svoboda & Vervoort, 1997

(Fig. 16 f–j)

Material examined. ANT XV/3: 48-27, few stems, up to 55 mm high; 48-72, few stems, up to 50 mm high; 48-168, few stems, up to 60 mm high; 48-189, few stems, up to 55 mm high; 48-276, few stems, up to 20 mm high; ANT

XXI/2: PS65/148, few stems, up to 75 mm high; PS65/237, few stems, up to 30 mm high; PS65/278, few stems, up to 70 mm high.

Ecology and distribution. Species collected at depths between 80 (Peña Cantero et al. 1997a) and 1157 m (Peña Cantero 2014a); present material was collected at depths between 119 and 417 m. Circum-Antarctic distribution (Peña Cantero et al. 1997a).

Notes

Published as part of Soto, Joan J. & Peña, Álvaro L., 2019, Benthic hydroids (Cnidaria, Hydrozoa) from the Weddell Sea (Antarctica), pp. 1-78 in Zootaxa 4570 (1) on pages 46-47, DOI: 10.11646/zootaxa.4570.1.1, http://zenodo.org/record/2608527

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Additional details

Biodiversity

References

  • 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
  • Pena Cantero, A. L., Svoboda, A. & Vervoort, W. (1997 a) Species of Oswaldella Stechow, 1919 (Cnidaria, Hydrozoa) from recent Antarctic expeditions with R. V. " Polarstern ", with the description of eight new species. Zoological Journal of the Linnean Society, 119, 339 - 388. https: // doi. org / 10.1006 / zjls. 1996.0072
  • Pena Cantero, A. L. (2014 a) Benthic hydroids (Cnidaria, Hydrozoa) from the continental shelf and slope off Queen Mary Coast (East Antarctica). Polar Biology, 37, 1711 - 1731. https: // doi. org / 10.1007 / s 00300 - 014 - 1556 - 0