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Striatellales
Fragilariophyceae is a group of pennate diatoms lacking a raphe. Examples It includes the following genera: Fragilariales *'' Ardissonea'' *''Asterionella'' *''Asterionellopsis'' *'' Catacombas'' *'' Diatoma'' *''Fragilaria'' *'' Fragilariforma'' *'' Grammonema'' *'' Hyalosynedra'' *'' Neofragilaria'' *'' Opephora'' *'' Pseudostaurosira'' *'' Punctastriata'' *'' Staurosira'' *'' Staurosirella'' *'' Synedra'' *'' Synedropsis'' *'' Tabularia'' *'' Ulnaria'' Striatellales *'' Hyalosira'' *'' Striatella'' *'' Toxarium'' Other *''Climacosphenia'' *'' Cyclophora'' *'' Delphineis'' *'' Protoraphis'' *'' Rhabdonema'' *'' Rhaphoneis'' *''Tabellaria ''Tabellaria'' is a genus of freshwater diatoms (Bacillariophyta). They are cuboid in shape, and the frustules (siliceous Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula , most commonly found in natu ...'' *'' Thalassionema'' References Heterokont classes {{Diatom-stub ...
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Eukaryota
Eukaryotes () are organisms whose Cell (biology), cells have a cell nucleus, nucleus. All animals, plants, fungi, and many unicellular organisms, are Eukaryotes. They belong to the group of organisms Eukaryota or Eukarya, which is one of the Three-domain system, three domains of life. Bacteria and Archaea (both prokaryotes) make up the other two domains. The eukaryotes are usually now regarded as having emerged in the Archaea or as a sister of the Asgard (archaea), Asgard archaea. This implies that there are only Two-domain system, two domains of life, Bacteria and Archaea, with eukaryotes incorporated among archaea. Eukaryotes represent a small minority of the number of organisms, but, due to their generally much larger size, their collective global biomass (ecology), biomass is estimated to be about equal to that of prokaryotes. Eukaryotes emerged approximately 2.3–1.8 billion years ago, during the Proterozoic eon, likely as Flagellated cell, flagellated phagotrophs. The ...
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Cyclophora (alga)
''Cyclophora'' may refer to: * ''Cyclophora'' (alga), a diatom genus in the Fragilariophyceae Fragilariophyceae is a group of pennate diatom The order Pennales is a traditional subdivision of the heterokont algae known as diatoms. The order is named for the shape of the cell walls (or valves or frustules) of pennate diatoms, which a ... * ''Cyclophora'' (moth), an insect genus {{Genus disambiguation ...
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Climacosphenia
''Climacosphenia'' is a genus of marine pennate diatoms in the order Fragilariophyceae Fragilariophyceae is a group of pennate diatom The order Pennales is a traditional subdivision of the heterokont algae known as diatoms. The order is named for the shape of the cell walls (or valves or frustules) of pennate diatoms, which a .... References External links * * * * Diatom genera Fragilariophyceae Taxa named by Christian Gottfried Ehrenberg {{Diatom-stub ...
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