Granofilosea
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Granofilosea
Granofilosea is a class of cercozoans in the subphylum Filosa. Three groups that were traditionally considered heliozoans belong here: the Heliomonadida, Desmothoracida and Gymnosphaerida, which were recently grouped into the new class of Granofilosea. Taxonomy * Class Granofilosea Cavalier-Smith & Bass 2009 ** Family ? Microgromiidae De Saedeleer 1934 *** Genus '' Apogromia'' de Saedeleer 1934 *** Genus '' Belaria'' de Saedeleer 1934 *** Genus '' Heterogromia'' de Saedeleer 1934 *** Genus '' Microgromia'' Hertwig & Lesser 1874 *** Genus '' Paralieberkuehnia'' de Saedeleer 1934 ** Order ? Axomonadida xonucleoaxoplastiales*** Family Tetradimorphidae Febvre-Chevalier & Febvre 1984 **** Genus '' Tetradimorpha'' Hsiung 1927 ** Order Desmothoracida Honigberg et al. 1964 ryptaxohelida; Desmothoraca Hertwig & Lesser 1874; Clathrulinida Starobogatov 1980*** Family Clathrulinidae Claus 1874 **** Genus '' Actinosphaeridium'' Zacharias 1893 **** Genus '' Cienkowskya'' Schaudinn 1896 ...
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Limnofilida
Granofilosea is a class of cercozoans in the subphylum Filosa. Three groups that were traditionally considered heliozoans belong here: the Heliomonadida, Desmothoracida and Gymnosphaerida, which were recently grouped into the new class of Granofilosea. Taxonomy * Class Granofilosea Cavalier-Smith & Bass 2009 ** Family ? Microgromiidae De Saedeleer 1934 *** Genus '' Apogromia'' de Saedeleer 1934 *** Genus '' Belaria'' de Saedeleer 1934 *** Genus '' Heterogromia'' de Saedeleer 1934 *** Genus '' Microgromia'' Hertwig & Lesser 1874 *** Genus '' Paralieberkuehnia'' de Saedeleer 1934 ** Order ? Axomonadida xonucleoaxoplastiales*** Family Tetradimorphidae Febvre-Chevalier & Febvre 1984 **** Genus '' Tetradimorpha'' Hsiung 1927 ** Order Desmothoracida Honigberg et al. 1964 ryptaxohelida; Desmothoraca Hertwig & Lesser 1874; Clathrulinida Starobogatov 1980*** Family Clathrulinidae Claus 1874 **** Genus '' Actinosphaeridium'' Zacharias 1893 **** Genus '' Cienkowskya'' Schaudinn 1896 ...
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Leucodictyida
Granofilosea is a class of cercozoans in the subphylum Filosa. Three groups that were traditionally considered heliozoans belong here: the Heliomonadida, Desmothoracida and Gymnosphaerida, which were recently grouped into the new class of Granofilosea. Taxonomy * Class Granofilosea Cavalier-Smith & Bass 2009 ** Family ? Microgromiidae De Saedeleer 1934 *** Genus '' Apogromia'' de Saedeleer 1934 *** Genus '' Belaria'' de Saedeleer 1934 *** Genus '' Heterogromia'' de Saedeleer 1934 *** Genus '' Microgromia'' Hertwig & Lesser 1874 *** Genus '' Paralieberkuehnia'' de Saedeleer 1934 ** Order ? Axomonadida xonucleoaxoplastiales*** Family Tetradimorphidae Febvre-Chevalier & Febvre 1984 **** Genus '' Tetradimorpha'' Hsiung 1927 ** Order Desmothoracida Honigberg et al. 1964 ryptaxohelida; Desmothoraca Hertwig & Lesser 1874; Clathrulinida Starobogatov 1980*** Family Clathrulinidae Claus 1874 **** Genus '' Actinosphaeridium'' Zacharias 1893 **** Genus '' Cienkowskya'' Schaudinn 1896 ...
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Cryptofilida
Cryptofilida () is an order of small heterotrophic protists in the phylum Cercozoa. They are filose amoebae that lack cilia and gliding, and are instead characterized by movement through branching or unbranched granular filopodia that are appressed to the substrate during their feeding. In studies on the impact of conventional soil management, Cryptofilida were identified as ecological indicators. Phylogeny and taxonomy Phylogeny Cryptofilida is a clade inside Granofilosea, and is phylogenetically related to Limnofilida, a group with similar amoeboid protists. However, the exact relationships between the granofilosean clades is still unresolved. Two outcomes are shown here from the 2009 analysis that identified the group for the first time: A more recent analysis shows this result: Taxonomy The order contains two families with one species each. *Family Mesofilidae **''Mesofila'' ***'' Mesofila limnetica'' *Family Nanofilidae **''Nanofila ''Nanofila'' () is a genus of m ...
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Filosa
Cercozoa is a phylum of diverse single-celled eukaryotes. They lack shared morphological characteristics at the microscopic level, and are instead defined by molecular phylogenies of rRNA and actin or polyubiquitin. They were the first major eukaryotic group to be recognized mainly through molecular phylogenies. They are the natural predators of many species of microbacteria and Archea. They are closely related to the phylum Retaria, comprising amoeboids that usually have complex shells, and together form a supergroup called Rhizaria. Characteristics The group includes most amoeboids and flagellates that feed by means of filose pseudopods. These may be restricted to part of the cell surface, but there is never a true cytostome or mouth as found in many other protozoa. They show a variety of forms and have proven difficult to define in terms of structural characteristics, although their unity is strongly supported by phylogenetic studies. Diversity Some cercozoans are grouped by ...
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Heliomonadida
The Heliomonadida (formerly Dimorphida) are a small group of heliozoan amoeboids that are unusual in possessing flagella throughout their life cycle. Classification Genetic studies place them among the Cercozoa, a group including various other flagellates that form filose pseudopodia. This order has recently been placed into the new class of naked filose cercozoans called Granofilosea. There are two genera in this order: * ''Heliomorpha'', a tiny organism found in freshwater * the larger '' Tetradimorpha'', which is distinguished by having four rather than two flagella. Morphology Bundles of microtubules, typically in square array, arise from a body near the flagellar bases and support the numerous axopods that project from the cell surface. Dimorphids have a single nucleus, and mitochondria A mitochondrion (; ) is an organelle found in the Cell (biology), cells of most Eukaryotes, such as animals, plants and Fungus, fungi. Mitochondria have a double lipid bilayer, mem ...
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Clathrulina Elegans
''Clathrulina elegans'' is a species of heliozoan eukaryote Eukaryotes () are organisms whose cells have a 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 domains of life. Bacte ...s in the order Desmothoracida, which are a group of organisms usually sessile and found in freshwater environments. References External links * * Filosa Species described in 1867 {{Cercozoa-stub ...
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Mesofilidae
''Mesofila'' () is a genus of freshwater heterotrophic protists of the phylum Cercozoa. It is the only genus in the family Mesofilidae. It is a monotypic genus, with the sole species ''M. limnetica'' (). Morphology ''Mesofila limnetica'' are small biciliate amoebae with several, extremely long, branching filopodia that, unlike Heliomorphidae, do not radiate in three dimensions but rather remain in contact against the substrate during feeding. The two long cilia and the long filopodia can be present simultaneously or each on their own, depending on the life cycle phase. ''Mesofila'' have two phases: amoeboid and flagellate. *Amoeboid phase. The immotile amoeboid cells are 9 to 14 μm in diameter and have a circular or slightly polygonial shape with a pitted surface. The central nucleus takes up around a quarter of the cell body's diameter and has a conspicuous nucleolus in its center. The filopodia appear from all around the cell, but slightly thicker filopodia usually emerge ...
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Nanofila
''Nanofila'' () is a genus of marine heterotrophic protists of the phylum Cercozoa. It is the only genus in the family Nanofilidae. It is a monotypic genus, with the sole species ''N. marina''. Morphology ''Nanofila'' are small amoebae with unbranched, granular filopodia. They lack cilia The cilium, plural cilia (), is a membrane-bound organelle found on most types of eukaryotic cell, and certain microorganisms known as ciliates. Cilia are absent in bacteria and archaea. The cilium has the shape of a slender threadlike projecti ..., have a spherical shape of around 3 μm in diameter, and extend about six extremely thin filopodia that lie flat against the substrate. References External links Cercozoa genera {{Cercozoa-stub ...
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Nanofilidae
''Nanofila'' () is a genus of marine heterotrophic protists of the phylum Cercozoa. It is the only genus in the family Nanofilidae. It is a monotypic genus, with the sole species ''N. marina''. Morphology ''Nanofila'' are small amoebae with unbranched, granular filopodia. They lack cilia The cilium, plural cilia (), is a membrane-bound organelle found on most types of eukaryotic cell, and certain microorganisms known as ciliates. Cilia are absent in bacteria and archaea. The cilium has the shape of a slender threadlike projecti ..., have a spherical shape of around 3 μm in diameter, and extend about six extremely thin filopodia that lie flat against the substrate. References External links Cercozoa genera {{Cercozoa-stub ...
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Mesofila
''Mesofila'' () is a genus of freshwater heterotrophic protists of the phylum Cercozoa. It is the only genus in the family Mesofilidae. It is a monotypic genus, with the sole species ''M. limnetica'' (). Morphology ''Mesofila limnetica'' are small biciliate amoebae with several, extremely long, branching filopodia that, unlike Heliomorphidae, do not radiate in three dimensions but rather remain in contact against the substrate during feeding. The two long cilia and the long filopodia can be present simultaneously or each on their own, depending on the life cycle phase. ''Mesofila'' have two phases: amoeboid and flagellate. *Amoeboid phase. The immotile amoeboid cells are 9 to 14 μm in diameter and have a circular or slightly polygonial shape with a pitted surface. The central nucleus takes up around a quarter of the cell body's diameter and has a conspicuous nucleolus in its center. The filopodia appear from all around the cell, but slightly thicker filopodia usually emerge from ...
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Massisteriidae
Massisteriidae is a family of granofilosean protists within the phylum Cercozoa. Taxonomy Massisteriidae contains two genera: *''Massisteria ''Massisteria'' is a genus of Cercozoa. They are naked protist A protist () is any eukaryotic organism (that is, an organism whose cells contain a cell nucleus) that is not an animal, plant, or fungus. While it is likely that protists sha ...'' **'' Massisteria marina'' **'' Massisteria voersi'' *'' Minimassisteria'' **'' Minimassisteria diva'' References External links Cercozoa families {{Cercozoa-stub ...
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