Alcyonium antarcticum Wright & Studer 1889

Alcyonium antarcticum Wright & Studer, 1889 Material examined: BBB 2016: St. 23. Distribution: As A. paessleri May, 1899 (Verseveldt & Ofwegen 1992): off Río de la Plata (38°06’S, 55°13’W; 440–480 m) (Castro 1990); Buenos Aires (38°58’S, 55°17’W; 595–642 m), Patagonia (44°19’S, 59°52’W; 183–...

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Bibliographic Details
Main Authors: Schejter, L., Genzano, G., Pérez, C. D., Acuña, F., Cordeiro, R. T. S., Silva, R. A., Garese, A., Bremec, C. S.
Format: Other/Unknown Material
Language:unknown
Published: 2020
Subjects:
Biodiversity
Taxonomy
Animalia
Cnidaria
Anthozoa
Alcyonacea
Alcyoniidae
Alcyonium
Alcyonium antarcticum
Antarctic
Antarctic Peninsula
Ross Sea
Patagonia
Ross Island
Seymour
Seymour Island
Burdwood Bank
Armitage
Cape Armitage
Acuña
Franklin Island
Antarc*
Antarctica
Online Access:https://zenodo.org/record/4425902
https://doi.org/10.5281/zenodo.4425902
Description
Summary:Alcyonium antarcticum Wright & Studer, 1889 Material examined: BBB 2016: St. 23. Distribution: As A. paessleri May, 1899 (Verseveldt & Ofwegen 1992): off Río de la Plata (38°06’S, 55°13’W; 440–480 m) (Castro 1990); Buenos Aires (38°58’S, 55°17’W; 595–642 m), Patagonia (44°19’S, 59°52’W; 183–366 m), (47°09’S, 60°38’W; 424–428 m), Strait of Magellan (150 m) (Verseveldt 1967); Chile (May 1899); South Georgia Islands (Pérez & Zamponi 2004); Seymour Island (150 m) (Antarctic Peninsula) (Molan- der 1929). As A. antarcticum: Hear Island (Australia) (135m), off South Georgia (54°21’S, 35°58’W, 144–164 m) and Cape Armitage, Ross Island, Antarctica (Wright & Studer 1889; Verseveldt & Ofwegen 1992); Franklin Island (76°10’S, 168°30’E, 79 m) (Ross Sea) (Hickson 1902); off Mt. Erebus (Ross Sea) (328 m), Ross Sea (42–407 m) (Hickson 1907); Burdwood bank (Molander 1929; present study). This is the first record at MPA Namuncurá I, Burdwood bank. Remarks: Colonies of A. antarcticum examined are similar to A. sollasi in growth form, but differ in having capstans sparsely tuberculate and tentacle bases without clubs. Published as part of Schejter, L., Genzano, G., Pérez, C. D., Acuña, F., Cordeiro, R. T. S., Silva, R. A., Garese, A. & Bremec, C. S., 2020, Checklist of Benthic Cnidaria in the SW Atlantic Ocean (54 ºS- 56 ºS), pp. 201-239 in Zootaxa 4878 (2) on page 219, DOI:10.11646/zootaxa.4878.2.1, http://zenodo.org/record/4424884

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