Carteria Obtusa
''Carteria'' is a genus of green algae in the family Chlamydomonadaceae. ''Carteria'' are similar in morphology to the common genus ''Chlamydomonas'' and differ by having four, rather than two, flagella at the vegetative stage. The genus name of ''Carteria'' is in honour of Henry John Carter, (1813–1895), who was a surgeon working in Bombay, India, who carried out work in geology, paleontology, and zoology. The genus was circumscription (taxonomy), circumscribed by Karl Moritz Diesing in Sitzungsber. Kaiserl. Akad. Wiss., Wien, Math.-Nat. Cl., Abt. Vol.1 Issue 52 on page 356 in 1866. Description ''Carteria'' is a single-celled organism. The cell is surrounded by a conspicuous wall which is often differentiated into a papilla at the anterior of the cell. There are four flagella, inserted at the location of the papilla, with a cruciate arrangement. Cells contain a single chloroplast. Pyrenoids are present, with one or several. There are often two contractile vacuoles per cell. ...
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