Demosponges

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Description: A carnivorous giant club sponge and a sabellid tubeworm Item Type: Image Title: Chondrocladia gigantea Copyright: SERPENT Project Species: Chondrocladia gigantea Site: Atlantic -- Norwegian -- Midnattsol Site Description: Seafloor Depth (m): 928 Latitude: 64 deg 00' 59" N Longitude: 5 deg 16' 44" E Countries: Norway -- Norwegian Sector Habitat: Benthic Rig: Transocean Leader Project Partners: Statoil, Oceaneering, Transocean ROV: Magnum 034 (work class) Deposited By: Dr Andrew Gates Deposited On: 19 November 2010

Description: Polymastia sp. sponge with Sea spider Pycnogonid sp. Item Type: Image Title: Polymastia sp. Copyright: SERPENT project Species: Polymastia sp. Site: Atlantic -- North Sea -- West of Shetland -- Faroe-Shetland Channel -- BrugdanNorth Sea -- West of Shetland -- Faroe-Shetland Channel -- Brugdan Site Description: Seafloor Depth (m): 480 Countries: Faroe Islands Habitat: Benthic Rig: Stena Don Project Partners: Statoil, Oceaneering ROV: Magnum 070, Sea Owl 590 Deposited By: Miss Moira MacLean Deposited On: 14 December 2010

Holmkær, NV-Jylland, Danmark

Acanthella corrugata. Section vertical to the surface and radial to the margin; including margin and both surfaces of the sponge.

Figure 17Ircinia paucifilamentosa. Peculiar shape of the terminal knobs of filaments in the only available illustration for this species. Modified from Vacelet (1961).

Figure 8.Eurypon denisae. A Tylostyles with variable head B Large acanthostyles C Small acanthostyles D Anisoxeas E Magnifications of the extremities of an anisoxea.

Figure 15.Dercitus (Halinastra) berau sp. n., holotype RMNH 4256, from Indonesia, Kalimantan, A photographed in situ B photographed just after collection (photos N.J. De Voogd).

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

Description: A specimen has earlier been taken at about 60°N, 5°E, about 1140 m. Otherwise, the species is distributed at large depths in the Norwegian-Greenland Sea. Carniverous. Item Type: Image Title: Sponge Cladorhiza gelida Copyright: SERPENT project Species: Cladorhiza gelida Behaviour: Attached to seafloor. Site: Atlantic -- North Sea -- West of Shetland -- TornadoNorth Sea -- West of Shetland -- Tornado Site Description: Seafloor Depth (m): 1050 Latitude: 60 deg 33' 44" N Longitude: 4 deg 27' 23" W Countries: UK -- West of Shetland Habitat: benthic Rig: Stena Carron Project Partners: OMV, Oceaneering, Stena ROV: Magnum 156 Deposited By: Dr Daniel Jones Deposited On: 21 December 2009

Description: Stalked sponge Stylocordyla borealis Item Type: Image Title: Stalked sponge Copyright: SERPENT project Species: Stylocordyla borealis Site: Atlantic -- North Sea -- West of Shetland -- Faroe-Shetland Channel -- BrugdanNorth Sea -- West of Shetland -- Faroe-Shetland Channel -- Brugdan Site Description: Seafloor Depth (m): 480 Countries: Faroe Islands Habitat: Benthic Rig: Stena Don Project Partners: Statoil, Oceaneering ROV: Magnum 070, Sea Owl 590 Deposited By: Miss Moira MacLean Deposited On: 14 December 2010

Lendrup S.f. Løgstør, Danmark

Microciona prolifera. Older, branched form.

Figure 18Ircinia retidermata. a habitus of the type specimen b an underwater image of a living specimen c, d, e different magnifications (LM) of the skeletal network showing cored primary fibres, uncored secondaries, and the typical irciniid filaments f sponge surface finely granulate by mineral debris embedded in a very close fibrillar network. a modified from Pulitzer-Finali and Pronzato (1980).

Figure 9.Eurypon gracilis sp. n. A Holotype B Skeleton C Portion of the skeleton with large and small echinating acanthostyles D Long style E Oxea F Large acanthostyle with scattered small spines G Small acanthostyle.

Figure 16.Dercitus (Halinastra) berau sp. n., holotype RMNH 4256, A Habit after preservation B calthrops C various sanidasters D various aster-like compressed sanidasters.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.

All Biocode files are based on field identifications to the best of the researcher’s ability at the time.