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  2. Euglena - Wikipedia

    en.wikipedia.org/wiki/Euglena

    Euglena is a genus of single cell flagellate eukaryotes. It is the best known and most widely studied member of the class Euglenoidea , a diverse group containing some 54 genera and at least 200 species.

  3. Euglena gracilis - Wikipedia

    en.wikipedia.org/wiki/Euglena_gracilis

    Euglena gracilis is a freshwater species of single-celled alga in the genus Euglena. It has secondary chloroplasts , and is a mixotroph able to feed by photosynthesis or phagocytosis . It has a highly flexible cell surface, allowing it to change shape from a thin cell up to 100 μm long to a sphere of approximately 20 μm.

  4. Euglena sanguinea - Wikipedia

    en.wikipedia.org/wiki/Euglena_sanguinea

    Euglena sanguinea is a species of the genus Euglena.The red colour is due to the presence of astaxanthin and the cells can be populous enough to colour water red. The pigment is used to protect the chloroplasts from light that is too intense, but as the light levels change the cells can take on a green colour as the red pigment is moved to the centre of the cells.

  5. Euglenid - Wikipedia

    en.wikipedia.org/wiki/Euglenid

    The phagotrophs, although paraphyletic, have historically been classified under the name of Heteronematina. [9] In addition, euglenids can be divided into inflexible or rigid euglenids, and flexible or metabolic euglenids which are capable of 'metaboly' or 'euglenid motion'. Only those with more than 18 protein strips in their pellicle gain ...

  6. Euglena viridis - Wikipedia

    en.wikipedia.org/wiki/Euglena_viridis

    Euglena viridis is a freshwater, single cell, mixotroph microalgae bearing a secondary chloroplast. [1] Their chloroplast is bounded by three layers of membrane without a nucleomorph . [ 2 ] Normally, it is 40–65 μm long, slightly bigger than other well-known Euglena species: Euglena gracilis .

  7. Excavata - Wikipedia

    en.wikipedia.org/wiki/Excavata

    Many have a conspicuous ventral feeding groove with a characteristic ultrastructure, supported by microtubules—the "excavated" appearance of this groove giving the organisms their name. [ 3 ] [ 6 ] However, various groups that lack these traits are considered to be derived excavates based on genetic evidence (primarily phylogenetic trees of ...

  8. Euglenales - Wikipedia

    en.wikipedia.org/wiki/Euglenales

    The order Euglenales is also known by the name Euglenida. The origin of this dual naming system is because of the history of protists. Euglenids have been treated as both algae and protozoans, which are governed by separate nomenclature codes. [2]

  9. Euglenozoa - Wikipedia

    en.wikipedia.org/wiki/Euglenozoa

    For example, one family has the name Euglenaceae under the ICNafp and the name Euglenidae under the ICZN. As another example, the genus name Dinema is acceptable under the ICZN, but illegitimate under the ICNafp, as it is a later homonym of an orchid genus, so that the synonym Dinematomonas must be used instead.