Hostname: page-component-586b7cd67f-dlnhk Total loading time: 0 Render date: 2024-11-26T08:23:30.526Z Has data issue: false hasContentIssue false

A monograph of the calcareous sponges (Porifera, Calcarea) of Greenland

Published online by Cambridge University Press:  15 November 2013

Hans Tore Rapp*
Affiliation:
University of Bergen, Department of Biology and Centre for Geobiology, Thormøhlensgate 53A/B, N-5020 Bergen, Norway
*
Correspondence should be addressed to: H.T. Rapp, University of Bergen, Department of Biology and Centre for Geobiology, Thormøhlensgate 53A/B, N-5020 Bergen, Norway email: [email protected]

Abstract

Greenland has more than 200 years of history of studies of the sponge fauna and is the type locality for a number of species. Many of these have not been encountered since, and as the type material has been hard to find or even lost, their taxonomic status has remained uncertain. In this study all species of calcareous sponges previously reported from Greenland are reviewed. The revision is based predominantly on new or unidentified material collected during various expeditions, but also on material used by previous authors. This includes samples from all coasts of Greenland, from the southernmost Kap Farvel area to Peary Land on the northern coast, some of the northernmost records of calcareous sponges ever. Greenland is a transition zone between the western and eastern Atlantic boreal calcareous sponge faunas, being home to species from both sides of the North Atlantic combined with some true Arctic species. There is also a strong link between the Canadian and Greenlandic sponge faunas. Twenty-eight species have been identified, from which six are new to Greenland and one is new to science. New records for Greenland are: Clathrina arnesenae (Rapp, 2006); Clathrina camura (Rapp, 2006); Clathrina pellucida (Rapp, 2006); Sycon abyssale Borojevic & Graat-Kleeton, 1965; Leucandra valida Lambe, 1900; and Sycettusa thompsoni (Lambe, 1900). Clathrina tendali sp. nov. has been described from western Greenland and Leucosolenia corallorrhiza (Haeckel, 1872) and Leucandra penicillata (Schmidt, 1869) have been resurrected. Keys for identification of higher taxa and the different species of Greenlandic Calcarea are provided.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 2013 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Ackers, G.R., Moss, D., Picton, B.E. and Stone, S.M.K. (1985) Sponges of the British Isles (‘Sponge IV’). A colour guide and working document. Ross-on-Wye: Marine Conservation Society.Google Scholar
Arnesen, E. (1901) Spongier fra den norske kyst. I. Calcarea. Systematisk katalog med bemerkninger og bestemmelsestabell. Bergen Museums Årbok 1900, 144.Google Scholar
Barthel, D. and Tendal, O.S. (1993) The sponge association of the abyssal Norwegian- and Greenland Sea: species composition, substrate relationships and distribution. Sarsia 78, 8393.CrossRefGoogle Scholar
Bidder, G.P. (1898) The skeleton and classification of calcareous sponges. Proceedings of the Royal Society of London 64, 6176.Google Scholar
Borojevic, R. (1966) Éponges calcaires des côtes de France III. Discussion sur la taxonomie des éponges calcaires: Aphroceras ensata (Bowerbank) et Ute gladiata sp. n. Archives de Zoologie Expérimentale et Générale 107, 703724.Google Scholar
Borojevic, R. (1968) Éponges calcaires des côtes de France IV. Le genre Ascaltis Haeckel emend. Archives de Zoologie Expérimentale et Générale 109, 193210.Google Scholar
Borojevic, R. and Boury-Esnault, N. (1987) Calcareous sponges collected by N.O. Thalassa on the continental margin of the Bay of Biscaye: I. Calcinea. In Vacelet, J. and Boury-Esnault, N. (eds) Taxonomy of Porifera from the NE Atlantic and Mediterranean Sea 1–27. NATO Asi Series G13, 321 pp.Google Scholar
Borojevic, R. and Graat-Kleeton, G. (1965) Sur une nouvelle espèce de Sycon et quelques Démosponges récoltées par le ‘Cirrus’ dans Atlantique Nord. Beaufortia 13, 8185.Google Scholar
Borojevic, R., Boury-Esnault, N. and Vacelet, J. (1990) A revision of the supraspecific classification of the subclass Calcinea (Porifera, class Calcarea). Bulletin du Muséum National d'Histoire Naturelle Paris (4A) 12, 243276.CrossRefGoogle Scholar
Borojevic, R., Boury-Esnault, N. and Vacelet, J. (2000) A revision of the supraspecific classification of the subclass Calcaronea (Porifera, class Calcarea). Zoosystema 22, 203263.Google Scholar
Borojevic, R., Boury-Esnault, N., Manuel, M. and Vacelet, J. (2002a) Order Clathrinida Hartman, 1958. In Hooper, J.N.A. and van Soest, R.W.M. (eds) Systema Porifera. A guide to the classification of sponges. New York: Academic/Plenum Publishers, pp. 11411152.Google Scholar
Borojevic, R., Boury-Esnault, N., Manuel, M. and Vacelet, J. (2002b) Order Leucosolenida Hartman, 1958. In Hooper, J.N.A. and van Soest, R.W.M. (eds) Systema Porifera. A guide to the classification of sponges. New York: Academic/Plenum Publishers, pp. 11571184.Google Scholar
Borojevic, R., Boury-Esnault, N., Manuel, M. and Vacelet, J. (2002c) Order Baerida Borojevic, Boury-Esnault & Vacelet, 2000. In Hooper, J.N.A. and van Soest, R.W.M. (eds) Systema Porifera. A guide to the classification of sponges. New York: Academic/Plenum Publishers, pp. 11931199.Google Scholar
Boury-Esnault, N. and Bézac, C. (2007) Morphological and cytological descriptions of a new Polymastia species (Hadromerida, Demospongiae) from the North-West Mediterranean Sea. In Custódio, M.R., Lôbo-Hajdu, G., Hajdu, E. and Muricy, G. (eds) Porifera research: biodiversity, innovation and sustainability. Rio de Janeiro: Museu Nacional, pp. 2330.Google Scholar
Boury-Esnault, N. and Rützler, K. (eds) (1997) Thesaurus of sponge morphology. Smithsonian Contributions to Zoology 596, 155.CrossRefGoogle Scholar
Bowerbank, J.S. (1858) On the anatomy and physiology of the Spongidae. Philosophical Transactions of London 148, 279332.Google Scholar
Bowerbank, J.S. (1864) A monograph of the British Spongidae, Volume 1. London: The Ray Society.Google Scholar
Breitfuss, L.L. (1896) Kalkschwämme der Bremer-Expedition nach Ost-Spitzbergen. Zoologischer Anzeiger 514, 426432.Google Scholar
Breitfuss, L.L. (1897) Catalog der Calcarea der zoologischen Sammlung des Königlichen Museums für Naturkunde zu Berlin. Archiv für Naturgeschichte 63, 205226.CrossRefGoogle Scholar
Breitfuss, L.L. (1898a) Die Kalkschwammfauna von Spitzbergen. Nach den Sammlung der Bremer-Expedition nach Ost-Spitzbergen im Jahre 1889. (Professor W. Kükenthal und Dr A. Walther). Zoologische Jahresbericht (Abteilung Systematik) 11, 103120.CrossRefGoogle Scholar
Breitfuss, L.L. (1898b) Kalkschwammfauna des Weissen Meeres und der Eismeerküsten des Europäischen Russlands. Mémoires de l'Académie Imperiale des Sciences de Station Pétersbourg Ser. 8 6(2), 141.Google Scholar
Breitfuss, L.L. (1898c) Die arctische Kalkschwammfauna. Archiv für Naturgeschichte 1, 277316.Google Scholar
Breitfuss, L.L. (1927) Die Kalkschwämme der Nord und Ostsee. Zoologischer Anzeiger 70, 2636.Google Scholar
Breitfuss, L.L. (1933) Die Kalkschwammfauna des arctischen Gebietes. Fauna Arctica 6, 235252.Google Scholar
Breitfuss, L.L. (1936) Kalkschwämme von Skagerrak und Kattegat. Göteborgs Kungliga Vetenskaps- och Vitterhets Samhälles Handlingar, 5 följd. Ser. B. 4(15), 116.Google Scholar
Brøndsted, H.V. (1914) Conspectus Faunae Groenlandicae. Porifera. Meddelelser om Grønland 23, 457544.Google Scholar
Brøndsted, H.V. (1916) The Porifera collected by the Danish Expedition at north-east Greenland. Meddelelser om Grønland 43, 475483.Google Scholar
Brøndsted, H.V. (1933a) The Godthaab Expedition 1928. Porifera. Meddelelser om Grønland 79(5), 125.Google Scholar
Brøndsted, H.V. (1933b) The Scoresby Sound Committee's 2nd East Greenland expedition in 1932 to King Christian IX's Land. Meddelelser om Grønland 104(12), 19.Google Scholar
Burton, M. (1934) Zoological results of the Norwegian scientific expedition to east-Greenland III. Reports on the sponges of the Norwegian expeditions to east Greenland (1930, 1931 and 1932). Skrifter om Svalbard og Ishavet 61, 334.Google Scholar
Burton, M. (1935) Some sponges from the Okhotsk Sea and the Sea of Japan. Exploration des Mers De l'U.R.S.S. 22, 6179.Google Scholar
Burton, M. (1959) Spongia. Zoology of Iceland 2 (3–4), 71 pp.Google Scholar
Cardenas, P., Rapp, H.T., Klitgaard, A.B., Best, M., Thollesson, M. and Tendal, O.S. (2013) Taxonomy, biogeography and DNA barcodes for Geodia species (Porifera, Demospongiae, Astrophorida) in the Atlantic Boreo-Arctic region. Zoological Journal of the Linnean Society 169(2), 251311. doi:10.1111/zoj.12056CrossRefGoogle Scholar
Cavalcanti, F.F. and Klautau, M. (2011) Solenoid: a new aquiferous system to Porifera. Zoomorphology 130, 255290.CrossRefGoogle Scholar
Cavalcanti, F.F., Rapp, H.T. and Klautau, M. (2013) Taxonomic revision of the genus Leucascus Dendy, 1892 (Porifera: Calcarea) with revalidation of the genus Ascoleucetta Dendy & Frederick, 1924 and description of three new species. Zootaxa 3619, 275314.CrossRefGoogle ScholarPubMed
Coachman, L.K. and Aagaard, K. (1974) Physical oceanography of Arctic and subarctic seas. In Herman, Y. (ed.) Marine geology and oceanography of the Arctic seas. New York: Springer, pp. 172.Google Scholar
Dendy, A. (1892) Synopsis of the Australian Calcarea Heterocoela, with proposed classification of the group, and descriptions of some new genera and species. Proceedings of the Royal Society of Victoria (n.s.) 5, 69116.Google Scholar
Dendy, A. and Row, R.W.H. (1913) The classification and phylogeny of the calcareous sponges with a reference list of all the described species. Proceedings of the Zoological Society of London 3, 704813.CrossRefGoogle Scholar
Derjugin, K.M. (1915) La faune du golfe de Kola et les conditions de son existence. Mémories de l'Académic Impériale des Sciences de Petrograd Ser. 8 34, 1929.Google Scholar
Derjugin, K.M. (1928) Fauna des Weissen Meeres und ihre existenzbedingungen. Extract from Exploration des mers d'U.R.S.S. 7–8, 1928. Leningrad. [In Russian.]Google Scholar
Dinter, W.P. (2001) Biogeography of the OSPAR Maritime Area. A synopsis and synthesis of biogeographical distribution patterns described for the north-east Atlantic. Bonn: Federal Agency for Nature Conservation, Bonn, 167 pp.Google Scholar
Ereskovsky, A.V. and Willenz, P. (2008) Larval development in Guancha arnesenae (Porifera, Calcispongia, Calcinea). Zoomorphology 127, 175187.CrossRefGoogle Scholar
Fabricius, O. (1780) Fauna Groenlandica. Copenhagen and Leipzig: Hafniae et Lipsae.Google Scholar
Fortunato, S., Adamski, M., Bergum, B., Guder, C., Jordal, S., Leininger, S., Zwafink, C., Rapp, HT. and Adamska, M. (2012) Genome-wide analysis of the Sox family in the calcareous sponge Sycon ciliatum: multiple genes with unique developmental and adult expression patterns. EvoDevo 3, 111. doi:10.1186/2041-9139-3-14CrossRefGoogle Scholar
Fristedt, K. (1887) Sponges from the Atlantic Ocean. Vega-Expeditionens Vetenskapliga Iakttagelser 4, 401471.Google Scholar
Haeckel, E. (1870) Prodromus eines Systems der Kalkschwamme. Jenaische Zeitschrift 5, 236254.Google Scholar
Haeckel, E. (1872) Die Kalkschwämme. Eine Monographie in zwei Bänden Text und einem Atlas mit 60 Tafeln Abbildungen. Berlin: Georg Reimer.CrossRefGoogle Scholar
Haeckel, E. (1874) Kalk and Gallertspongien. In Die zweite deutsche Nordpolarfahrt II. Leipzig: Brockhaus, pp. 434436.Google Scholar
Hansen, A. (1885) Spongidae. Den norske nordhavsekspedisjon 1876–1878 3, 125.Google Scholar
Hansen, B. and Østerhus, S. (2000) North Atlantic–Nordic Seas exchanges. Progress in Oceanography 45, 109208.CrossRefGoogle Scholar
Hartman, W.D. (1958) A reexamination of Bidder's classification of the Calcarea. Systematic Zoology 7, 97110.CrossRefGoogle Scholar
Hempel, G. (1985) On the biology of polar seas, particularly the Southern Ocean. In Gray, J.S. and Christiansen, M.E. (eds) Marine biology of polar regions and the effect of stress on marine organisms. Chichester: John Wiley & Sons, pp. 334.Google Scholar
Hentschel, E. (1916) Die Spongien des Eisfjords. Zoologische Ergebnisse der schwedischen Expedition nach Spitzbergen 1908. Kungliga Svenska Vetenskaps Akademiens Handlingar 54(3, part II), 118.Google Scholar
Hestetun, J.T., Fourt, M., Vacelet, J., Boury-Esnault, N. and Rapp, H.T. (2013) Cladorhizidae (Porifera) of the deep Atlantic collected during Ifremer cruises, with a biogeographic overview of the Atlantic species. Journal of the Marine Biological Association of the United Kingdom. doi:http://dx.doi.org/10.1017/S0025315413001100Google Scholar
Hoffmann, F., Rapp, H.T., Zöller, T. and Reitner, J. (2003) Tissue and skeleton regeneration in cultivated fragments of the boreal deep-water sponge Geodia barretti Bowerbank, 1858 (Geodiidae, Tetractinellida, Demospongiae). Journal of Biotechnology 100, 109118.CrossRefGoogle Scholar
Hopkins, T.S. (1991) The GIN sea. A synthesis of its physical oceanography and literature from 1972–1985. Earth Science Reviews 30, 175318.CrossRefGoogle Scholar
International Commission on Zoological Nomenclature (ICZN) (1999) International Code of Zoological Nomenclature. 4th edition. London: The Natural History Museum, pp. 1306.Google Scholar
Janussen, D. and Rapp, H.T. (2011) Redescription of Jenkina articulata Brøndsted from the deep Eckström Shelf, E-Weddell Sea, Antarctica and a comment on the possible mass occurrence of this species. Deep-Sea Research II 58, 20222026.CrossRefGoogle Scholar
Janussen, D., Rapp, H.T. and Tendal, O.S. (2003) A myth vanished: calcareous sponges are alive and well at abyssal depths. Deep-Sea Newsletter 32, 1719.Google Scholar
Johnston, G. (1842) A history of British sponges and lithophytes. Edinburgh: W.H. Lizars, 264 pp.CrossRefGoogle Scholar
Klautau, M. and Valentine, C. (2003) Revision of the genus Clathrina (Porifera, Calcarea). Zoological Journal of the Linnean Society 139, 162.CrossRefGoogle Scholar
Klautau, M., Azevedo, F., Cóndor-Luján, B., Rapp, H.T., Collins, A. and Russo, C.A.M. (2013) A molecular phylogeny of the Order Clathrinida rekindles and refines Haeckel's taxonomic proposal for calcareous sponges. Integrative and Comparative Biology 15 pp. 53(3): 447461. doi:10.1093/icb/ict039CrossRefGoogle ScholarPubMed
Klautau, M., Russo, C.A.M., Lazoski, C., Boury-Esnault, N., Thorpe, J.P. and Solé-Cava, A.M. (1999) Does cosmopolitanism result from overconservative systematics? A case study using the marine sponge Chondrilla nucula. Evolution 53, 14141422.CrossRefGoogle ScholarPubMed
Koltun, V.M. (1964) Porifera. In Scientific results in the higher latitudes. Oceanographic investigations in the northern part of the Greenland Sea and the adjacent Arctic basins. Works from the Arctic and Antarctic Scientific Institute 259, 143166. [In Russian.]Google Scholar
Lambe, L.M. (1896) Sponges from the Atlantic coast of Canada. Transactions of the Royal Society of Canada (Second Series) 2, 181211.Google Scholar
Lambe, L.M. (1900a) Notes on Hudson Bay sponges. The Ottawa Naturalist 13, 277.Google Scholar
Lambe, L.M. (1900b) Description of a new species of calcareous sponge from Vancouver Island, B.C. The Ottawa Naturalist 13, 261262.Google Scholar
Lambe, L.M. (1900c) Sponges from the coasts of north-eastern Canada and Greenland. Transactions of the Royal Society of Canada (Second Series) 6, 1938.Google Scholar
Laubenfels, M.W. de. (1942) Porifera from Greenland and Baffinland collected by Capt. Robert A. Barlett. Journal of the Washington Academy of Sciences 32, 263269.Google Scholar
Levinsen, G.M.R. (1893) Annulata, Hydroidæ, Anthozoa, Porifera. Det videnskabelige udbytte af kanonbaaden ‘Hauchs’ Togter I, 1883–1886, 317425.Google Scholar
Lundbeck, W. (1909) The Porifera of East-Greenland. Meddelelser om Grønland 29, 423464.Google Scholar
Lütken, C. (1875) A revised catalogue of the Spongozoa of Greenland. In Jones, T.R. (ed.) Manual of the natural history, geology and physics of Greenland and the neighbouring regions. London: Eyre & Spottiswoode, pp. 179183.Google Scholar
Manuel, M., Borojevic, R., Boury-Esnault, N. and Vacelet, J. (2002) Class Calcarea Bowerbank, 1864. In Hooper, J.N.A. and van Soest, R.W.M. (eds) Systema Porifera. A guide to the classification of sponges. New York: Academic/Plenum Publishers, pp. 11571184.Google Scholar
Marenzeller, E. (1886) Poriferen, Anthozoen, Ctenophoren und Würmer von Jan Mayen. Die Østerreichische Polarstation Jan Mayen. Internationale Polarforschung 1882–1883 3, 924.Google Scholar
Merejkowsky, C. (1878) Études sur les Éponges de la Mer Blanche. Mémoires de l'Académie Impériale des Sciences de St. Pétersbourg VII Série XXVI(7), 150.Google Scholar
Miklucho-Maclay, N. (1868) Beiträge sur Kenntnis der Spongien. I. Über Guancha blanca einen neuen Kalkschwamm. Jenaische Zeitung 4, 221240.Google Scholar
Minchin, E.A. (1900) Sponges. In Lankester, E.R. (ed.) A treatise on zoology. Part II. The Porifera and Coelenterata 2. London: Adam & Charles Black, pp. 1178.CrossRefGoogle Scholar
Montagu, G. (1818) An essay on sponges, with descriptions of all the species that have been discovered on the coasts of Great Britain (1812). Memoires of the Wernerian Society of Edinburgh 2, 67122.Google Scholar
Palerud, R.Gulliksen, B., Brattegard, T., Sneli, J.-A. and Vader, W. (2004) The marine macro-organisms in Svalbard Waters. In Prestrud, P., Strøm, H. and Goldman, H.V. (eds) A catalogue of the terrestrial and marine animals of Svalbard. Norwegian Polar Institute Skrifter 201, 556.Google Scholar
Plotkin, A., Gerasimova, E. and Rapp, H.T. (2012) Phylogenetic reconstruction of the Polymastiidae (Demospongiae: Hadromerida) based on morphology. Hydrobiologia 687, 2141.CrossRefGoogle Scholar
Rapp, H.T. (2004a) The first record of the genus Leucascus Dendy, 1892 from the Atlantic Ocean, with the description of Leucascus lobatus sp. nov. (Porifera, Calcarea, Calcinea) from Greenland. Steenstrupia 28(2), 19.Google Scholar
Rapp, H.T. (2004b) A revision of calcareous sponges (Porifera, Calcarea) in coast and shelf areas of Norway and Greenland. DSc thesis. Department of Biology, University of Bergen, Norway.Google Scholar
Rapp, H.T. (2006) Calcareous sponges of the genera Clathrina and Guancha (Calcinea, Calcarea, Porifera) of Norway (north-east Atlantic) with the description of five new species. Zoological Journal of the Linnean Society 147, 331365.CrossRefGoogle Scholar
Rapp, H.T., Janussen, D. and Tendal, O.S. (2011) Calcareous sponges from abyssal and bathyal depths in the Weddell Sea, Antarctica. Deep-Sea Research II 58, 5867.CrossRefGoogle Scholar
Rapp, H.T. and Tendal, O.S. (2006) Calcareous sponges (Calcarea, Porifera) from the abyssal Norwegian, Greenland and Iceland Seas. In 7th International Sponge Symposium 2006. Book abstracts, 7–13 May 2006. Rio de Janeira: Mueu Nacional. ISBN 85-7427-012-1, p. 233.Google Scholar
Rapp, H.T., Klautau, M. and Valentine, C. (2001) Two new species of Clathrina (Porifera, Calcarea) from the Norwegian coast. Sarsia 86, 6974.CrossRefGoogle Scholar
Rapp, H.T., Göcke, C., Tendal, O.S. and Janussen, D. (2013) Two new species of calcareous sponges (Porifera: Calcarea) from the deep Antarctic Eckström Shelf and a revised list of species found in Antarctic waters. Zootaxa 3962, 149159.CrossRefGoogle Scholar
Rossi, A.L., Russo, C.A.M., Solé-Cava, A.M., Rapp, H.T. and Klautau, M. (2011) Phylogenetic signal in the evolution of body colour and spicule skeleton in calcareous sponges. Zoological Journal of the Linnean Society 163, 10261034.CrossRefGoogle Scholar
Schander, C., Rapp, H.T., Kongsrud, J.A., Bakken, T., Berge, J., Cochrane, S., Oug, E., Byrkjedal, I., Cedhagen, T., Fosshagen, A., Gebruk, A., Larsen, K., Nygren, A., Obst, M., Plejel, F., Stöhr, S., Todt, C., Warén, A., Handler-Jacobsen, S., Kuening, R., Levin, L., Mikkelsen, N.T., Petersen, K.K., Thorseth, I.H. and Pedersen, R.B. (2010) The fauna of the hydrothermal vents on the Mohn Ridge (North Atlantic). Marine Biology Research 6, 155171.CrossRefGoogle Scholar
Schmidt, O. (1862) Die Spongien des Adriatischen Meeres. Leipzig: Wilhelm Engelmann, 48 pp.Google Scholar
Schmidt, O. (1869) Vorläufige Mitteilungen über die Spongien der Grönländischen Küste. Mitteilungen des Naturwissenschaft Vereins f. Steiermark 2, 8997.Google Scholar
Schmidt, O. (1870) Grundzüge einer Spongienfauna des atlantischen Gebietes. Leipzig: Wilhelm Engelmann, 88 pp.Google Scholar
Solé-Cava, A.M., Klautau, M., Boury-Esnault, N., Borojevic, R. and Thorpe, J.P. (1991) Genetic evidence for cryptic speciation in allopatric populations of two cosmopolitan species of the calcareous sponge Clathrina. Marine Biology 111, 381386.CrossRefGoogle Scholar
Tendal, O.S. (1970) Sponges from the Jørgen Brønlund Fjord, North Greenland. Meddelelser om Grønland 184(7), 114.Google Scholar
Tendal, O.S. (1983) Sponges of Jan Mayen. Astarte 12, 5355.Google Scholar
Tendal, O.S. (1989) Calcareous sponges in the abyssal Norwegian and Greenland Seas. Deep-Sea Newsletter 15, 2223.Google Scholar
Tendal, O.S. and Schiøtte, T. (2001) Nyt lys på Grønlands bunddyr. Dyr i Natur og Museum 1, 1315.Google Scholar
Thorbjørn, L. and Petersen, G.H. (2003) The epifauna on the carbonate reefs in the Arctic Ikka Fjord, SW Greenland. Ophelia 57, 177202.CrossRefGoogle Scholar
Thorson, G. and Ussing, H. (1934) Contributions to the animal ecology of the Scoresby Sound Fjord complex (east Greenland). Meddelelser om Grønland 100(3), 167.Google Scholar
Tornes, M. (2008) Taxonomy and ecology of calcareous sponges (Porifera, Calcarea) associated with kelp (Laminaria hyperborea) on the Norwegian west coast. Master's thesis. University of Bergen, Norway, 64 pp.Google Scholar
Van Soest, R.W.M. (2001) Porifera. In Costello, M.J., Emblow, C.S. and White, R. (eds) European Register of Marine Species. A checklist of the marine species in Europe and a bibliography of guides to their identification. Patrimoines Naturels 60, 85103.Google Scholar
Van Soest, R.W.M., Boury-Esnault, N., Hooper, J.N.A., Rützler, K., de Voogd, N.J. et al. (2013) World Porifera Database. Available at http://www.marinespecies.org/porifera (accessed 18 July 2013).Google Scholar
Vanhöffen, C. (1897) Die Fauna und Flora Grönlands. In Grönland-Expedition der Gesellschaft für Erdkunde zu Berlin 1891–93, Volume 2. Berlin: W.H. Kuhl, pp. 246249.Google Scholar
Verrill, E.A. (1874) Exploration of Casco Bay by the U.S. Fish Commission, in 1873. Proceedings of the American Association for the Advancement of Science 22, 340395.Google Scholar
Voigt, O., Wülfing, E. and Wörheide, G. (2012) Molecular phylogenetic evaluation of classification and scenarios of character evolution in calcareous sponges (Porifera, Class Calcarea). PLoS ONE 7(3), e33417. doi: 10.1371/journal.pone.0033417CrossRefGoogle ScholarPubMed
Wadhams, P. (1981) The ice cover in the Greenland and Norwegian Sea. Reviews in Geophysics 19, 345393.CrossRefGoogle Scholar
Wörheide, G., Hooper, J.N.A. and Degnan, B.M. (2003) Phylogeography of western Pacific Leucettachagosensis’ (Porifera, Calcarea) from ribosomal DNA sequences: implications for population history and conservation of the Great Barrier Reef World Heritage Area (Australia). Molecular Ecology 11, 17531768.CrossRefGoogle Scholar