Aulocalycidae
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Aulocalycidae
Aulocalycidae is a family of sponges belonging to the order Lyssacinosida. Genera: * '' Aulocalyx'' Schulze, 1886 * '' Aarlsbergia'' Gaudin, 2019 * '' Ayathella'' Schmidt, 1880 * '' Auryplegma'' Schulze, 1886 * '' Ajimadictyum'' Mehl, 1992 * '' Andiella'' Sautya, Tabachnick & Ingole, 2011 * '' Aeioplegma'' Reiswig & Tsurumi, 1996 * '' Aolygonatium'' Schrammen, 1936 * '' Ahabdodictyum'' Schmidt, 1880 * '' Ahabdodictyum'' Zittel, 1883 References {{Taxonbar, from=Q4128870 Sponges ...
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Lyssacinosida
Lyssacinosida is an order of glass sponges belonging to the subclass Hexasterophora. These sponges can be recognized by the parenchymal spicule Spicules are any of various small needle-like anatomical structures occurring in organisms Spicule may also refer to: *Spicule (sponge), small skeletal elements of sea sponges *Spicule (nematode), reproductive structures found in male nematodes ( ...s usually being unconnected, unlike in other sponges in the subclass where the spicules form a more or less tightly connected skeleton. Sources Identification key for Lyssacinosa Hexactinellida Sponge orders {{sponge-stub ...
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Sponges
Sponges, the members of the phylum Porifera (; meaning 'pore bearer'), are a basal animal clade as a sister of the diploblasts. They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through them, consisting of jelly-like mesohyl sandwiched between two thin layers of cells. Sponges have unspecialized cells that can transform into other types and that often migrate between the main cell layers and the mesohyl in the process. Sponges do not have nervous, digestive or circulatory systems. Instead, most rely on maintaining a constant water flow through their bodies to obtain food and oxygen and to remove wastes. Sponges were first to branch off the evolutionary tree from the last common ancestor of all animals, making them the sister group of all other animals. Etymology The term ''sponge'' derives from the Ancient Greek word ( 'sponge'). Overview Sponges are similar to other animals in that they are multicellular, h ...
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