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Flagellosigma of subgenus Flagellia
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In situ photo of holotype (courtesy N.J. de Voogd)
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Skeleton and spicules of the holotype RMNH Por. 2326
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Photo of ZMA Por. 09285 from Sumba, Indonesia
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Habitus of holotype (upper left), paratype (upper right), and spicules.
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Holotype RMNH Por. 9921.
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SEM images of spicules of holotype RMNH Por. 9921.
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Photo G. van Moorsel.
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The strictly verticillate condition of the mature spicule is a synapomorphy of Agelasidae. Photo courtesy Michael Assmann.
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Image scanned from Duchassaing & Michelotti,1864's pl. XV figure 1. This species is the type of Agelas.
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The cross section shows the unique radial structure of the Agelas fibre and an echinating verticillated style. Photo R. Gómez.
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Close up of holotype UPSZTY 167252, preserved in ethanol
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The encrusting sponge Hymedesmia (Stylopus) methanophila sp. nov. and the branching sponge Iophon methanophila sp. nov. colonize asphalt seeps at Campeche Knolls. a Geographic location of Campeche Knolls and the sponge collection sites, Chapopote and Mictlan. b MARUM-QUEST ROV image of H. (S.) methanophila and I. methanophila at Chapopote. Galatheid crabs graze on the sponges. Figure 1 from Rubin-Blum et al. (2019)
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Right: Holotype of Iophon methanophila sp. nov. just after collection. Left: Close-up of holotype (needle has an outer diameter of 0.6 mm).
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The encrusting sponge Hymedesmia (Stylopus) methanophila sp. nov. and the branching sponge Iophon methanophila sp. nov. colonize asphalt seeps at Campeche Knolls. a Geographic location of Campeche Knolls and the sponge collection sites, Chapopote and Mictlan. b MARUM-QUEST ROV image of H. (S.) methanophila and I. methanophila at Chapopote. Galatheid crabs graze on the sponges Figure 1 from Rubin-Blum et al. (2019)
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Grotte Arc en Ciel, Marseille, France: 27-07-2005.
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Agelas oroides (Schmidt, 1864) ZMA Por. 14435, in situ off the E coast of Spain. Photo M.J. de Kluijver.
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La Vesse, Marseille, France. 20-07-2005
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Original specimen figured in Schmidt, 1862: Pl. 7 fig. 7
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Photo of in situ specimen made by R. Gómez, Spain, Catalonia, San Feliu de Guixols, Punta de Gaebi, 12-04-1998, 16 m
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Roscoff, 1998
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Sark, Channel Islands, 49°24'7.318" N 2°21'56.7" W 2010-06-22
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Damicornis Bay, Rathlin Island, Co Antrim, Northern Ireland, UK. 22-08-2007.