Clathria (Microciona) antarctica ...

• Main Author: Barbara, Calcinai
• Format: Text
• Language: unknown
• Published: Zenodo 2017
• Subjects: Biodiversity; Taxonomy; Animalia; Porifera; Demospongiae; Poecilosclerida; Microcionidae; Clathria; Clathria antarctica; Antarctic; Burdwood Bank; New Zealand; Pacific; Uruguay; Antarc*; Antarctica; Macquarie Island
• Online Access: https://dx.doi.org/10.5281/zenodo.6044875; https://zenodo.org/doi/10.5281/zenodo.6044875

Clathria (Microciona) antarctica (Topsent, 1917) Figure 5 Material examined. Two specimens (MSNG N° 59507, MACN IN-41005) were found at station 4, at 54° 44.02’S and 62° 12.98’ W; 804 m (labeled during the cruise as NBP 05/08 TB 4 #31). Collection date: April 2008. Collector: Laura Schejter. Description. Our specimens are massive, light brown to slightly grey, 64 x 23 x 24 mm (Figure 5 A). Spicules are 2 categories of styles (sometimes subtylostyles), occasionally basally-spined, 350–(415±45)–487 x 7.5 µm and 515–(603±50)–780 x 12.5–(17±3)–20 µm (Figure 5 B); acanthostyles (Figure 5 B, C), 105–(130±16)–146 x 5 – (8±2)–10 µm and short; thick and wing-shaped toxas, 45–(57±6)–71 µm (Figure 5 C–D). Few rare and big toxas (250–370 µm) were also found (Figure 5 D). Distribution. This species has a wide distribution in the SW Atlantic Ocean and southern Pacific, recorded from Antarctic waters, South Georgia Islands, Malvinas (Falklands) Islands, off Buenos Aires and Uruguay, Macquarie Island and New Zealand, ... : Published as part of Barbara, Calcinai, 2017, Description of Antho (Plocamia) bremecae sp. nov. and checklist of Microcionidae (Demospongiae: Poecilosclerida) from Burdwood Bank and neighboring areas, SW Atlantic Ocean, pp. 580-594 in Zootaxa 4312 (3) on pages 587-589, DOI: 10.11646/zootaxa.4312.3.11, http://zenodo.org/record/855645 ...