Cercomonas sp.
publication ID |
https://doi.org/ 10.4467/16890027AP.15.005.2192 |
DOI |
https://doi.org/10.5281/zenodo.12522293 |
persistent identifier |
https://treatment.plazi.org/id/0B708784-E66A-8926-FFEE-F8EA2154D74F |
treatment provided by |
Felipe |
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Cercomonas sp. |
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( Figs 3d–f View Fig )
Observation: Cell outline is pyriform. Cells are 7 to 15 µm long and flexible. Two flagella are of similar thickness and appear to be acronematic. The anterior flagellum is about 3.5 times the cell length, beats from side to side with entire length, and the basal part of the flagellum adheres to the anterior part of the cell. The posterior flagellum is about 4 times the cell length, may adhere to the body surface for part of its length and beats slowly from side to side as the cells glide. The cells glide with the flagella in contact with the substrate, and during gliding the anterior part of the cell is elongated. Rarely observed.
Remarks: This species is similar to Cercomonas granulatus , but it lacks a row of refractile bodies on the ventral side, which is one of the diagnostic characters for C. granulatus . It is also similar to the cells found in Cape Tribulation under the name Cercomonas granulatus ( Lee 2006b) . Most similar nominal taxa to Cercomonas granulatus have been compared and discussed by Lee and Patterson (2000) and Lee (2006b). Recently Bass et al. (2009) described 66 species from cercomonads, and they also said that it is difficult to describe any particular species adequately because of their morphological plasticity and behavioural diversity. That is, it is not easy to distinguish cercomonad species by light microscopy. Probably the composition of the cercomonads is still uncertain and there are many synonyms in this group.
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