Biology:Amphikrikos
Amphikrikos is a genus of algae in the family Oocystaceae.[1] It is found in freshwater and has been reported from most continents.[2]
Amphikrikos consists of solitary, planktonic cells about 3–13 μm long and 2–9 μm wide. Cells are barrel-shaped, cylindrical, ellipsoid or broadly oval, with rounded poles. The cell may be surrounded by a thin, structureless mucilage layer. The cell wall is smooth, or covered with dark-brown incrustations on the surface which appear as granules or ribs, mainly near the equator and poles of the cell. Cells contain one (or two) chloroplasts, which is/are parietal and may have or lack a pyrenoid. Asexual reproduction occurs by the formation of typically four (rarely 2 or 8) autospores per cell; these are released through a tear in the mother cell wal.[2][3]
References
- ↑ See the NCBI webpage on Amphikrikos. Data extracted from the "NCBI taxonomy resources". National Center for Biotechnology Information. https://ftp.ncbi.nih.gov/pub/taxonomy/.
- ↑ 2.0 2.1 Guiry, M.D.; Guiry, G.M. (2008). "Amphikrikos". AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org/browse/taxonomy/?id=44244.
- ↑ Shubert, Elliot; Gärtner, Georg (2014). "Chapter 7. Nonmotile Coccoid and Colonial Green Algae". Freshwater Algae of North America: Ecology and Classification (2 ed.). Elsevier Inc.. ISBN 978-0-12-385876-4.
Wikidata ☰ Q4748284 entry
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