Coscinoderma sporadense Voultsiadou-Koukoura, Van Soest and Koukouras, 1991
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https://dx.doi.org/10.3897/zookeys.281.4171 |
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https://treatment.plazi.org/id/7580414B-7671-C679-515E-315EF3B350A0 |
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scientific name |
Coscinoderma sporadense Voultsiadou-Koukoura, Van Soest and Koukouras, 1991 |
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Coscinoderma sporadense Voultsiadou-Koukoura, Van Soest and Koukouras, 1991 Fig. 24
Coscinoderma sporadense Voultsiadou-Koukoura, Van Soest and Koukouras, 1991: 195.
Description.
Growth form massive, cushion shaped, lobose (6 to 30 cm2 surface area, ca. 5 mm avg thickness). Colour light brown, lighter in formalin. Consistency soft, spongy and compressible. Surface conulose with conules ca. 1 mm in height and 2-4 mm apart. Oscules few (2-4 mm in diameter). Ostia visible in some areas with a diameter of 50-200 µm. Ectosome (100-350 µm in thickness) detachable and armoured with sand grains and foreign spicules.
Ascending primary fibres (50-80 µm in diameter) cored with foreign material to such a degree that sometimes spongin is hardly visible. Foreign material usually sand grains mixed with low amounts of spicules, although some fibres cored exclusively with spicules. Primary fibres connected to a dense, irregular, network of secondary fibres which, in the vicinity of the primary fibres, has the form of a perforated plate. Secondary fibres (10-40 µm in diameter) often with rounded or broadly acute free tips, thin and hardly anastomosing. The secondary network, in its greater part, resembles an unwound clew.
Habitat.
Cave, rocky bottom. Bathymetric range 3-15 m.
Mediterranean Caves.
Youra Cave (Sporades Islands, Northern Aegean Sea) ( Voultsiadou-Koukoura et al. 1991; Pronzato and Manconi 2011).
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