Cyclostephanos Invisitatus
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Cyclostephanos Invisitatus
''Cyclostephanos'' is a genus of diatoms belonging to the family Stephanodiscaceae. The genus has cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The ext .... Species: *'' Cyclostephanos costatus'' *'' Cyclostephanos fenestratus'' *'' Cyclostephanos gasseae'' References {{Taxonbar, from=Q25366483 Thalassiosirales Diatom genera ...
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Diatom
A diatom (Neo-Latin ''diatoma''), "a cutting through, a severance", from el, διάτομος, diátomos, "cut in half, divided equally" from el, διατέμνω, diatémno, "to cut in twain". is any member of a large group comprising several genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world. Living diatoms make up a significant portion of the Earth's biomass: they generate about 20 to 50 percent of the oxygen produced on the planet each year, take in over 6.7 billion metric tons of silicon each year from the waters in which they live, and constitute nearly half of the organic material found in the oceans. The shells of dead diatoms can reach as much as a half-mile (800 m) deep on the ocean floor, and the entire Amazon basin is fertilized annually by 27 million tons of diatom shell dust transported by transatlantic winds from the African Sahara, much of it from the Bodélé Depression, which was once made up of a system of ...
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Stephanodiscaceae
Stephanodiscaceae is a family of diatom A diatom (Neo-Latin ''diatoma''), "a cutting through, a severance", from el, διάτομος, diátomos, "cut in half, divided equally" from el, διατέμνω, diatémno, "to cut in twain". is any member of a large group comprising sev ...s belonging to the order Stephanodiscales. Genera: * '' Brevisira'' Krammer * '' Concentrodiscus'' G.C.Khursevich, A.I.Moisseeva & G.A.Sukhova * '' Crateriportula'' Flower & Håkansson References {{Taxonbar, from=Q18670488 Thalassiosirales Diatom families ...
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Cosmopolitan Distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The extreme opposite of a cosmopolitan species is an endemic one, being found only in a single geographical location. Qualification The caveat “in appropriate habitat” is used to qualify the term "cosmopolitan distribution", excluding in most instances polar regions, extreme altitudes, oceans, deserts, or small, isolated islands. For example, the housefly is highly cosmopolitan, yet is neither oceanic nor polar in its distribution. Related terms and concepts The term pandemism also is in use, but not all authors are consistent in the sense in which they use the term; some speak of pandemism mainly in referring to diseases and pandemics, and some as a term intermediate between endemism and cosmopolitanism, in effect regarding pandemism as ...
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Cyclostephanos Costatus
''Cyclostephanos'' is a genus of diatoms belonging to the family Stephanodiscaceae. The genus has cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The ext .... Species: *'' Cyclostephanos costatus'' *'' Cyclostephanos fenestratus'' *'' Cyclostephanos gasseae'' References {{Taxonbar, from=Q25366483 Thalassiosirales Diatom genera ...
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Cyclostephanos Fenestratus
''Cyclostephanos'' is a genus of diatoms belonging to the family Stephanodiscaceae. The genus has cosmopolitan distribution. Species: *''Cyclostephanos costatus ''Cyclostephanos'' is a genus of diatoms belonging to the family Stephanodiscaceae. The genus has cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of t ...'' *'' Cyclostephanos fenestratus'' *'' Cyclostephanos gasseae'' References {{Taxonbar, from=Q25366483 Thalassiosirales Diatom genera ...
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Cyclostephanos Gasseae
''Cyclostephanos'' is a genus of diatoms belonging to the family Stephanodiscaceae. The genus has cosmopolitan distribution. Species: *''Cyclostephanos costatus'' *''Cyclostephanos fenestratus ''Cyclostephanos'' is a genus of diatoms belonging to the family Stephanodiscaceae. The genus has cosmopolitan distribution. Species: *''Cyclostephanos costatus ''Cyclostephanos'' is a genus of diatoms belonging to the family Stephanodiscac ...'' *'' Cyclostephanos gasseae'' References {{Taxonbar, from=Q25366483 Thalassiosirales Diatom genera ...
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Thalassiosirales
''Thalassiosirales'' is an order of centric diatoms. The order currently contains 471 species. Species in the order Thalassiosirales are common in brackish, nearshore, and open-ocean habitats, with approximately the same number of freshwater and marine species. The Thalassiosirales species ''Thalassiosira pseudonana'' was chosen as the first eukaryotic marine phytoplankton for whole genome sequencing. ''T. pseudonana'' was selected for this study because it is a model for diatom physiology studies, belongs to a genus widely distributed throughout the world's oceans, and has a relatively small genome at 34 mega base pair A base pair (bp) is a fundamental unit of double-stranded nucleic acids consisting of two nucleobases bound to each other by hydrogen bonds. They form the building blocks of the DNA double helix and contribute to the folded structure of both DNA ...s. Scientists are researching on diatom light absorption, using the marine diatom ''Thalassiosira''. Refere ...
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