Plectroninia
''Plectroninia'' is a genus of sponge 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 t ...s belonging to the family Minchinellidae. The species of this genus are found in Europe and Australia. Species: *'' Plectroninia celtica'' *'' Plectroninia deansi'' *'' Plectroninia halli'' References {{Taxonbar, from=Q6538544 Calcaronea Sponge genera ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Plectroninia Celtica
''Plectroninia'' is a genus of sponge 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 t ...s belonging to the family Minchinellidae. The species of this genus are found in Europe and Australia. Species: *'' Plectroninia celtica'' *'' Plectroninia deansi'' *'' Plectroninia halli'' References {{Taxonbar, from=Q6538544 Calcaronea Sponge genera ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Plectroninia Deansi
''Plectroninia'' is a genus of sponges belonging to the family Minchinellidae. The species of this genus are found in Europe and Australia. Species: *''Plectroninia celtica ''Plectroninia'' is a genus of sponge 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 chann ...'' *'' Plectroninia deansi'' *'' Plectroninia halli'' References {{Taxonbar, from=Q6538544 Calcaronea Sponge genera ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Plectroninia Halli
''Plectroninia'' is a genus of sponges belonging to the family Minchinellidae. The species of this genus are found in Europe and Australia. Species: *''Plectroninia celtica'' *''Plectroninia deansi ''Plectroninia'' is a genus of sponges belonging to the family Minchinellidae. The species of this genus are found in Europe and Australia. Species: *''Plectroninia celtica ''Plectroninia'' is a genus of sponge Sponges, the members o ...'' *'' Plectroninia halli'' References {{Taxonbar, from=Q6538544 Calcaronea Sponge genera ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Minchinellidae
Minchinellidae is a family of calcareous sponges The calcareous sponges of class Calcarea are members of the animal phylum Porifera, the cellular sponges. They are characterized by spicules made of calcium carbonate in the form of calcite or aragonite. While the spicules in most species ha ... in the order Calcarea. It is the only family in the monotypic class Lithonida. Description Calcaronea with reinforced skeleton consisting either of linked or cemented basal actines of tetractines, or of a rigid basal mass of calcite. Diapason spicules are generally present and the canal system is leuconoid. References External links * http://www.catalogueoflife.org/col/browse/tree Calcaronea Taxa named by Arthur Dendy {{calcarea-stub ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Sponge
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, he ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Calcaronea
Calcaronea is a Class (biology), subclass of sea sponges in the class Calcarea. They are Calcarea with the triactines and the basal system of tetractines sagittal (i.e. the rays of the spicule make unequal angles with each other), exceptionally regular. In ontogeny the first spicules to be secreted are diactines. Choanocytes are apinucleate. Calcaronea have amphiblastula larvae External links * * Calcaronea, Sponge subclasses {{calcarea-stub ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |