Lophocalyx topsenti Janussen & Reiswig, 2009, n. sp. ...

• Main Authors: Janussen, Dorte, Reiswig, Henry M.
• Format: Text
• Language: unknown
• Published: Zenodo 2009
• Subjects: Biodiversity; Taxonomy; Animalia; Porifera; Hexactinellida; Lyssacinosida; Rossellidae; Lophocalyx; Lophocalyx topsenti; Antarctic; Weddell; Weddell Sea; Antarc*; Antarctica
• Online Access: https://dx.doi.org/10.5281/zenodo.5611963; https://zenodo.org/doi/10.5281/zenodo.5611963

Lophocalyx topsenti n. sp. (Figs. 6 & 7, Table 3) Material examined: Lophocalyx topsenti n. sp., Holotype, SMF 10606, ANDEEP III Exped., R.V. 'Polarstern', stn PS67/142-6, Weddell Sea, Antarctica, 18 Mar. 2005, 62°09.93'S, 49°30.47'W to 62°09.80'S, 49°30.59'W, 3403–3404 m, ethanol. Paratype: RSM 1921.143.1389, Scottish National Antarctic Exped., R.V. 'Scotia', stn 313, Weddell Sea, Antarctica, 18 Mar. 1903, 62°10'S, 41°20'W, 3247 m, ethanol (reported as Calycosoma validum by Topsent, 1910, 1913). Comparative material: Calycosoma validum: holotype, USNM 0 4761, U.S. F.C.S. 'Albatross', stn 2573, George's Bank, SE of Massachusetts, USA, 0 2 Sep. 1885, 40º34'18"N, 66º09'W, 3186 m, ethanol. Description: The holotype of the new species, when inspected in June 2006 before partial dissection, was a small, intact, tubular sponge 31 mm tall and 20 mm in diameter, with a terminal osculum 9 mm in diameter, without marginalia, with wall thickness of 2 mm (Fig. 6 A). Several prostal diactins project obliquely upwards ... : Published as part of Janussen, Dorte & Reiswig, Henry M., 2009, Hexactinellida (Porifera) from the ANDEEP III Expedition to the Weddell Sea, Antarctica, pp. 1-20 in Zootaxa 2136 on pages 11-15, DOI: 10.5281/zenodo.188483 ...