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Demosponges (Demospongiae) are the most diverse class in the phylum Porifera. They include greater than 90% of all species of sponges with nearly 8,800 species worldwide (World Porifera Database). [5] They are sponges with a soft body that covers a hard, often massive skeleton made of calcium carbonate, either aragonite or calcite [citation ...
It is the most speciose demosponge order with over 2200 species (World Porifera Database [2]). It contains about 25 recognised families . They are characterised by having chelae microscleres, that is, the minute spicules scattered through the tissues, usually in the 10-60 μm range, have a shovel-like structure on the end.
Cladorhizidae is a family of carnivorous demosponges found in deep-sea environments worldwide. These sponges are known for their unique feeding structures and predatory behavior, as they capture and consume small animals such as crustaceans.
Stelletta kallitetilla is a species of demosponge belonging to the family Ancorinidae. It is native to the tropical western Atlantic Ocean and the Caribbean Sea. It was first described in 1936 by the American zoologist Max Walker de Laubenfels as Myriastra kallitetilla but was later transferred to the genus Stelletta. [1]
Lissodendoryx collinsi is a species of demosponge first found on the coast of South Georgia island, in the south-western Southern Ocean. [1] The discovery of Lissodendoryx collinsi and 14 other new species resulted in increasing the previously reported low sponge endemicity off South Georgia.
Latrunculia biformis, the mud-clump sponge, is a widespread deep sea demosponge from the southern hemisphere. Description This tough and firm sponge is chocolate ...
The crumb-of-bread sponge is a thickly encrusting sponge with a glistening bumpy surface. Specimens found intertidally are bright yellow. Specimens from deeper water are darker.
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