Janulum spinispiculum Carter 1876

• Main Authors: Kelly, Michelle, Erpenbeck, Dirk, Morrow, Christine, Soest, Rob Van
• Format: Other/Unknown Material
• Language: unknown
• Published: 2015
• Subjects: Biodiversity; Taxonomy; Animalia; Porifera; Demospongiae; Poecilosclerida; Raspailiidae; Janulum; Janulum spinispiculum; Arctic; Arctic Ocean; Barents Sea; Norway; Porcupine Seabight; Rockall Bank; Iceland; North Atlantic; Northeast Atlantic; Northern Norway; Spitzbergen
• Online Access: https://zenodo.org/record/6122464; https://doi.org/10.5281/zenodo.6122464

Janulum spinispiculum (Carter, 1876) (Fig. 2; Table 1) Isodictya spinispiculum Carter 1876: 310, Pl. 15, Fig. 42. Metschnikowia spinispiculum, Lundbeck 1902: 52, Pl. 12, Fig. 4; Topsent 1904: 243, Pl. 5, Fig. 1; Hentschel 1929: 901, 987. Janulum spinispiculum, de Laubenfels 1935: 79; Boury-Esnault et al. 1994: 132, Fig. 102; Vacelet 1969: 210, Fig. 54; Calcinai et al. 2013: 6, Fig. 3. Lithoplocamia spinispiculum, Hooper 2002: 506 (with question). Material examined. ZMA Por. 19460, 19461: BIOSYS/HERMES 2005, boxcore 24, southeast Rockall Bank, 55.506 ° N, 15.786 ° W, 680 m, 27 Jun 2005, collected by 50 cm boxcore from RV Pelagia; ZMA Por. 19579, BIOSYS/HERMES 2005, boxcore 60, southeast Rockall Bank, 55.444 ° N, 16.076 ° W, 780 m, 30 Jun 2005, collected by 50 cm boxcore from RV Pelagia; ZMA Por. P. 8676, slide, Porcupine Seabight, southwest of Ireland, 852 m, coll. L.A. Hendry, Scottish Association for Marine Science, Jun 2003; ZMA Por. P. 8672, 8673, East of Iceland, from Copenhagen Museum’s Lundbeck collection; BELUM Mc 7745, Mc 7798, Mc 7812, West Coast of Ireland, RV Celtic Explorer Cruise CE 10004, 54.063 ° N, 12.413 ° W, 1469 m, 26 May 2010, collected by ROV Holland I; BELUM Mc 7816, West Coast of Ireland, RV Celtic Explorer Cruise CE 10004, 54.058 ° N, 12.547 ° W, 1350 m, 27 May 2010, collected by ROV Holland I. Other material. Janulum filholi (Topsent, 1890), MOM 0 4 0078: Holotype, Campagnes de l' Hirondelle Stn 105 (1892), 927 m. Distribution. Northeast Atlantic region: southern Portugal, Azores, Rockall Bank; Mediterranean Sea: Alboran and Ionian Seas, Canyon de la Cassidaigne; North Atlantic: Iceland; Arctic Ocean: Barents Sea, northern Norway and Spitzbergen. Description. Very thinly to relatively thickly encrusting, often very small, 1–2 cm 2, 1– 2 mm thick, with a smooth, porous, membranous surface (Fig. 2 A), or erect, almost cylindrical, irregularly lobate with an encrusting base (Fig. 2 B), about 25 mm thick, texture firm, friable. Colour in life white, pale cream, dull yellow. BELUM Mc 7745 was ...