Latrunculia biformis Kirkpatrick 1908

• Main Authors: Samaai, Toufiek, Gibbons, Mark J., Kelly, Michelle, Davies-Coleman, Mike
• Format: Other/Unknown Material
• Language: unknown
• Published: 2003
• Subjects: Biodiversity; Taxonomy; Animalia; Porifera; Demospongiae; Poecilosclerida; Latrunculiidae; Latrunculia; Latrunculia biformis; Antarctic; Argentina; Burton; Harper; Ridley; Scripps; Antarc*; Antarctica
• Online Access: https://zenodo.org/record/6276863; https://doi.org/10.5281/zenodo.6276863

Latrunculia biformis (Kirkpatrick, 1908) (Figs 4 A, 5 A; Tab. 1) Latrunculia apicalis var. biformis Kirkpatrick, 1908: 14. Latrunculia apicalis; Ridley and Dendy, 1887: 234 (BMNH 1887.5.2.84a). Latrunculia apicalis var. biformis; Burton 1929: 444. Latrunculia apicalis; Koltun 1955: 1–6. Latrunculia biformis; Boury­Esnault and Van Beveren 1984: 44 Material examined. BMNH 1908.2. 5.70 (Holotype): Winter Quarters, Antarctica, 77 49 'S, 167 7 ' 4 "E, National Antarctic Expedition (1901–1904), H. M. S. Discovery, 18–27 m; BMNH 1908.2.5.69b (Paratype): Winter Quarters, Antarctica, 77 49 'S, 167 7 ' 4 "E, National Antarctic Expedition (1901–1904), H. M. S. Discovery, 18–27 m; BMNH 1908.2.5.69c (Paratype): Winter Quarters, Antarctica, 77 49 'S, 167 7 ' 4 "E, National Antarctic Expedition (1901–1904), H. M. S. Discovery, 18–27 m; BMNH 1887.5.2.84a (labelled Latrunculia apicalis Ridley & Dendy, 1887): off mouth of Rio de la Plata, Argentina, 37 ° 17 'S, 53 ° 52 'W, 1080 m, H. M. S. Challenger Expedition, 14 February 1876; MDO 3 50 D D.NBE 1388: Latrunculia apicalis in Boury­Esnault & van Beveren (1984), spicule slide, NW of Kergeulen, stn 17, 585 m; SAM H­ 4959: Rheeders Bay, Tsitsikamma National Park, South Africa, 34 ° 10 'S, 23 ° 54 'E, 28 m, collected by M. K. Harper, Scripps Institute of Oceanography, California, 25 February 1995. Description. Hemispherical to globular sponge, 6.5 x 4 x 4 cm (length x width x height), with ectosomal layer easily detachable from the underlying choanosome. Surface microscopically smooth, crowded with conical volcano­shaped oscules, 1 x 0.2 mm wide and high, and numerous flattened mammiform areolate porefields 1 x 0.2 mm wide and high. Texture firm, resilient, slightly fleshy. External colour in life mottled chocolate brown, interior dark chocolate brown, in preservative dark chocolate brown. Spicules. Megascleres— Styles: smooth, centrally thickened, hastate, slightly sinuous, 558 (528–576) x 12 (12–16) m. Microscleres— Anisodiscorhabds (Fig. 4 A”): With four whorls of spines, ...