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New record of the sea anemone Kadosactis antarctica (Carlgren, 1928): re-description of an Antarctic deep-sea sea anemone, and a discussion of its generic and familial placement
Rodríguez, E.; López-González, P.J. (2005). New record of the sea anemone Kadosactis antarctica (Carlgren, 1928): re-description of an Antarctic deep-sea sea anemone, and a discussion of its generic and familial placement. Helgol. Mar. Res. 59(4): 301-309. dx.doi.org/10.1007/s10152-005-0005-4
In: Helgoland Marine Research. Springer: Berlin; Heidelberg. ISSN 1438-387X, more
Peer reviewed article  

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Keywords
    Deep sea; Taxonomy; Actiniaria [WoRMS]; Kadosactis antarctica (Carlgren, 1928) [WoRMS]; Sagartiogeton Carlgren, 1924 [WoRMS]; Antarctica, South Shetland I. [Marine Regions]; Marine

Authors  Top 
  • Rodríguez, E.
  • López-González, P.J.

Abstract
    Sagartiogeton antarcticus Carlgren, 1928 is an Antarctic deep-sea species of sea anemone only known from its holotype. The species has been assigned to the genera Sagartiogeton and Kadosactis, and is currently placed within the family Kadosactidae Riemann-Zürneck, 1991. Kadosactis antarctica is re-described based on 11 specimens collected during the cruise of the R/V Polarstern ANT XIX/3 (ANDEEP-I) to the Scotia Sea and off the South Shetland Islands (Antarctica). The description includes a complete account of cnidae and photographs. Because the mesogloea is thickened on the aboral surface on the base of the tentacles, this feature becomes a generic character of Kadosactis rather than a differential specific character among the species of the genus as previously proposed. Furthermore, the known distribution of the species is enlarged to include the southern branch of the Scotia Sea.

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