Aureoumbra Geitleri
''Aureoumbra'' is a genus of algae belonging to the family Sarcinochrysidaceae. Species: *'' Aureoumbra geitleri'' *''Aureoumbra lagunensis ''Aureoumbra lagunensis'' is a unicellular planktonic marine microalga that belongs in the genus '' Aureoumbra'' under the class Pelagophyceae. It is similar in morphology and pigments to '' Aureococcus anophagefferens'' and '' Pelagococcus sub ...'' References {{Taxonbar, from=Q25367478 Ochrophyta Heterokont genera ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Algae
Algae (; singular alga ) is an informal term for a large and diverse group of photosynthetic eukaryotic organisms. It is a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from unicellular microalgae, such as ''Chlorella,'' ''Prototheca'' and the diatoms, to multicellular forms, such as the giant kelp, a large brown alga which may grow up to in length. Most are aquatic and autotrophic (they generate food internally) and lack many of the distinct cell and tissue types, such as stomata, xylem and phloem that are found in land plants. The largest and most complex marine algae are called seaweeds, while the most complex freshwater forms are the ''Charophyta'', a division of green algae which includes, for example, ''Spirogyra'' and stoneworts. No definition of algae is generally accepted. One definition is that algae "have chlorophyll ''a'' as their primary photosynthetic pigment and lack a sterile covering of cells around thei ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Aureoumbra Geitleri
''Aureoumbra'' is a genus of algae belonging to the family Sarcinochrysidaceae. Species: *'' Aureoumbra geitleri'' *''Aureoumbra lagunensis ''Aureoumbra lagunensis'' is a unicellular planktonic marine microalga that belongs in the genus '' Aureoumbra'' under the class Pelagophyceae. It is similar in morphology and pigments to '' Aureococcus anophagefferens'' and '' Pelagococcus sub ...'' References {{Taxonbar, from=Q25367478 Ochrophyta Heterokont genera ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Aureoumbra Lagunensis
''Aureoumbra lagunensis'' is a unicellular planktonic marine microalga that belongs in the genus '' Aureoumbra'' under the class Pelagophyceae. It is similar in morphology and pigments to '' Aureococcus anophagefferens'' and '' Pelagococcus subviridis''. The cell shape is spherical to subspherical and is 2.5 to 5.0 μm in diameter. It is golden-coloured and is encapsulated with extracellular polysaccharide layers and has a single chloroplast structure with pigments. ''Aureoumbra lagunensis'' thrives in a warm hypersaline environment as the greatest cell density has been found in water with salinity higher than 40 PSU and with temperatures between . Generally, the density of ''A. lagunensis'' is in the order of 106 cells mL−1, being higher in the summer months with lower abundance during the winter. ''Aureoumbra lagunensis'' causes harmful algal blooms and was the dominant microalga in the 7 year long brown tide (1990 - 1997) that happened in Laguna Madre, Texas. Its d ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |
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Ochrophyta
The ochrophytes, subphylum Ochrophytina, is a group of mostly photosynthetic heterokonts. Their plastid is of red algal origin. The classification of the group is still being worked out. Originally, the ochrophytes were regarded as a phylum denominated Ochrophyta. Some authors (e.g., Cavalier-Smith) divided it into two subphyla, Phaeista Cavalier-Smith 1995 (comprising Hypogyristea and Chrysista in some classifications, or Limnista and Marista in others) and Khakista Cavalier-Smith, 2000 (comprising '' Bolidomonas'' and diatoms). Others prefer not to use the subphyla, listing only lower taxa (e.g., Reviers, 2002, Guiry & Guiry, 2014). However, it is currently regarded as a subphylum inside of the phylum Gyrista, along with Pseudofungi and Bigyromonada. It contains two infraphyla: Diatomista, containing diatoms and related groups, and Chrysista, containing brown and golden algae and related groups. Phylogeny The cladogram below shows the evolutionary relationships between a ... [...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]   |