Hexactinellid Sponges

Description: Hexactinellid sponge, possibly Monorhaphis sp. with a brisingid sea star on it. Item Type: Image Title: Monorhaphis sp Copyright: SERPENT Species: Monorhaphis Site: Indian -- Indian Ocean -- East Africa -- Zafarani Depth (m): 2601 Countries: East Africa -- Tanzania Habitat: Benthic Rig: Ocean Rig Poseidon Project Partners: Statoil, Oceaneering ROV: Millenium 93 and 73 Deposited By: Dr Andrew Gates Deposited On: 19 April 2012

Figure 3. Anoxycalyx joubini on the gangplank at Hut Point, McMurdo Station.The same gangplank with A. joubini in 2010.Source: Dayton PK, Kim S, Jarrell SC, Oliver JS, Hammerstrom K, et al. (2013) Recruitment, Growth and Mortality of an Antarctic Hexactinellid Sponge, Anoxycalyx joubini. PLoS ONE 8(2): e56939. doi:10.1371/journal.pone.0056939

Ventriculites simplex, Toulmin Smith.

Indian Deep-Sea Sponges. Hyalonema masoni, from the Bay of Bengal, 1748 fathoms.... Only the upper part of the glass-rope, by which the sponge is anchored to the ooze, is represented, and it is overgrown with barnacles (Scalpellum squamuliferum)

Rossella veluta, Wyville Thomson.

Dictyaulus elegans, a kind of Venus' Flower-basket, from the Laccadive Sea, 705 fathoms.... Only the upper part of the Sponge is represented.

Pheronema carpenteri, Wyville Thomson -- Demi-Grandeur. 1500 metres de profondeur

Hyalonema toxeres (partie superieure). Hyalonema toxeres (partie inferieure). 2,400 metres de profondeur

Figure 2. Indiella gen.n. ridgenensis sp.n. A view from the dermal side B view from the atrial side; (i) holotype, (ii) to (iv) paratypes

Description: With no hesitations - Platylistrum platessa Schulze, 1904 (Hexactinellida, Amphidiscophora, Pheronematidae). Common at the Kamba and Pweza sites. Item Type: Image Title: Platylistrum platessa Copyright: SERPENT Species: Platylistrum platessa Site: Indian -- Indian Ocean -- East Africa -- Pweza-3 Depth (m): 1382 Latitude: 8 deg 23' 00" S Longitude: 40 deg 04' 00" E Countries: East Africa -- Tanzania Habitat: Benthic Rig: Deep Sea Metro I Project Partners: BG Group, Oceaneering ROV: Millennium 113 Deposited By: Dr Andrew Gates Deposited On: 27 February 2015

Figure 4. Anoxycalyx joubini growth on rack at New Harbor, Explorers Cove.One of the racks at Explorers Cove in 2010, some A. joubini falling off of structure, but still alive.Source: Dayton PK, Kim S, Jarrell SC, Oliver JS, Hammerstrom K, et al. (2013) Recruitment, Growth and Mortality of an Antarctic Hexactinellid Sponge, Anoxycalyx joubini. PLoS ONE 8(2): e56939. doi:10.1371/journal.pone.0056939

Ventriculites simplex, Toulmin Smith, Outer surface.

Hyalonema insitanieum, Barboza du Bocage.

Holtenia carpenteri, Wyville Thomson.

Figure 3. Indeilla gen n. ridgenensis sp.n. drawings of spicules of the holotypes A dermal pentactin B atrial pentactin, C discohexaster D secondary ray of discohexaster

Description: With no hesitations - Platylistrum platessa Schulze, 1904 (Hexactinellida, Amphidiscophora, Pheronematidae). Common at the Kamba and Pweza sites. Item Type: Image Title: Platylistrum platessa Copyright: SERPENT Species: Platylistrum platessa Site: Indian -- Indian Ocean -- East Africa -- Pweza-3 Depth (m): 1382 Latitude: 8 deg 23' 00" S Longitude: 40 deg 04' 00" E Countries: East Africa -- Tanzania Habitat: Benthic Rig: Deep Sea Metro I Project Partners: BG Group, Oceaneering ROV: Millennium 113 Deposited By: Dr Andrew Gates Deposited On: 27 February 2015

Figure 3. Anoxycalyx joubini on the gangplank at Hut Point, McMurdo Station. 1989, after anchor ice had removed 100% cover of large H. balfourensisSource: Dayton PK, Kim S, Jarrell SC, Oliver JS, Hammerstrom K, et al. (2013) Recruitment, Growth and Mortality of an Antarctic Hexactinellid Sponge, Anoxycalyx joubini. PLoS ONE 8(2): e56939. doi:10.1371/journal.pone.0056939

Ventriculites simplex, Toulmin Smith. Section of the outer wall, showing the structure of the silicious network.

Pheronema Parfaiti (H. Filh.). 1,200 metres de profondeur. Expedition de Talisman.

Figure 4. Scaning Electron Microscopy of Indeilla gen. n. ridgenensis sp. n. Frameowrk and spicules of the holotypes A dermal layer B atrial layer C lateral view D discohexaster E secondary ray tuft of discohexaster

Category hierarchy: Animals | SpongesDescription: The dried siliceous skeleton of the deep sea glass sponge, Euplectella.Capture device: Camera: Fujifilm Finepix S3100Capture details: Lens: 4x optical zoom; 4.0 megapixel XD picture cardOriginal date: 20070206