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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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Preserved specimen from the Adriatic, Croatia, Splitski Canal, 1954. Photo R.W.M. van Soest, from Van Soest et al. 2013: 287. fig. 5.
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SEM photos of spicules of Adriatic specimen, ZMA Por. 09944. From Van Soest et al. 2013: 288, fig. 6.
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Habitus from Schmidt, 1875
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Sagres, Portugal. 19-07-2006.
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Holotype
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Photograph of spicules from the original slide
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Photograph of spicules from the original slide
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Photograph of spicules from the original slide
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Chenal d'Ile Verte, Roscoff, W coast of France, June 1982, 2 m depth
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SEMs of spicules from holotype BMNH P.P.H.’86:12:15:138 Brit.Mus.Sp. 68
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From Bowerbank (1864), pl. IIII figs. 73-76, upon which Gray (1867) erected the genus Acarnus
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Drawings of spicules from holotype ZMA Por. 07693 made by Freerk Hiemstra.
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Drawings made from lectotype slide BMNH 1902.10.18.62 by Freerk Hiemstra