Demosponges

Hircinia campana.

Chalinopsilla imitans.

Figure 5.Map showing locality off the Mauritanian coast, where Cyamon amphipolyactinum sp. n. and Cyamon arguinense sp. n. were collected during the Netherlands Mauritania II Expedition, June 1988.

Figure 12Euryspongia raouchensis. a underwater image of a living specimen b small conules (thin section by LM) with slightly protruding fibres at the sponge surface and skeletal network with cored ascending primaries and uncored secondaries. a, b modified from Vacelet et al. (2007).

Figure 4.Placospongia carinata slide of holotype (BMNH, R1228, 86g, Bk.1390; R1275, PE01, Bk1390). A large tylostyle (scale=200 μ m) B small tylostyle (scale=50 μ m) C selenaster (scale=50 μ m) D close up of large tylostyle (scale=50 μ m) E close up of small tylostyle F streptasters (scale=50 μ m) G acanthose microrhabds H original slide of thick section of holotype I original slide of spicules of holotype.

Figure 13.Halicnemia geniculata. A Magnifications of the tylostyle heads B Rabdhotylostyles C Oxeas, long, sinuous and thin D Acanthoxeas.

Figure 9.Dercitus (Stoeba) senegalensis sp. n., A–D Paratype ZMA Por. 06721, Mauritania, off Banc d’Arguin, A habit, B overview of megascleres C calthrops D various sanidasters E–F Possible additional member of Dercitus (Stoeba) senegalensis sp. n., ZMA Por. 21697, Aegean Sea E calthrops F sanidaster.

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.

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

Description: The giant clubsponge. A stalked demosponge found living on soft sediment at depths of 240-1600 m. Item Type: Image Title: Chondrocladia gigantea Copyright: SERPENT Project Species: Chondrocladia gigantea Behaviour: Sessile organism Site: Atlantic -- North Sea -- West of Shetland -- RosebankNorth Sea -- West of Shetland -- Rosebank Site Description: Seafloor Depth (m): 1085 Latitude: 60 deg 59' 33" N Longitude: 3 deg 49' 49" E Habitat: Benthic Rig: Transocean Rather Project Partners: Chevron, Subsea 7, Transocean ROV: Centurion 05 HD (work class) Deposited By: Dr Andrew Gates Deposited On: 12 July 2007

Description: White sponge Polymastia sp. Item Type: Image Title: Polymastia sponge 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

Lendrup S.f. Løgstør, Danmark

Vandet Sø, Thy, Danmark

Aggregated nipple sponge (Polymastia pacifica)A relatively small Aggregated nipple sponge (Polymastia pacifica) . The projections are known as papillae.From: SIMoNLocation (General):Pacific GroveSite (Specific):Lover's PointDate taken:January, 17 2012

Tisiphonia agariciformis, Wyville Thomson.

Euspongia officinalis.

Axinella acanthifera. Transverse section of lobe showing axial skeleton and radiating fibers.

Chalinopsilla oculate.

Figure 5.Map showing locality off the Mauritanian coast, where Cyamon amphipolyactinum sp. n. and Cyamon arguinense sp. n. were collected during the Netherlands Mauritania II Expedition, June 1988.

Figure 13Pleraplysilla minchini. a encrusting specimens in a small facies (Mitigliano Cave) b detail of dendritic skeleton fibres with debris filling the axial core.

Figure 5.Placospongia carinata (RMNH POR. 4483). A selenaster B large tylostyle (head and blunt end) C small tylostyle (head and hastate end) D streptasters, E. acanthose microrhabds.