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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Physalophrya

Physalophrya Kahl, 1931 (ref. ID; 2014)

Class Oligohymenophora: Subclass Hymenostomata: Order Hymenostomatida (ref. ID; 2014)

[ref. ID; 2014]
Large (150-310 um long) elongate ovoid to cylindrical shaped ciliate. Oral aperture in anterior body third, oval in shape with tube-like cytopharynx. There is an undulating membrane on the right of the aperture and one membranelle is visible on the left. Pre-oral suture present. The somatic ciliation is complete, short and dense. There may be one or more contractile vacuoles. The macronucleus either ribbon-like or moniliform.
Quote; Colin R. Curds, Michael A. Gates and David McL. Roberts "British and other freshwater ciliated protozoa Part II Ciliophora: Oligohymenophora and Polyhymenophora" Cambridge University Press, 1983 (ref. ID; 2014)
  1. Physalophrya cylindrica (Penard, 1922) (ref. ID; 1622)
  2. Physalophrya spumosa (Penard, 1922) (ref. ID; 1622) reported year? (ref. ID; 1618)

Physalophrya spumosa (Penard, 1922) (ref. ID; 1622) reported year? (ref. ID; 1618)

Descriptions

Oval to cylindrical; highly plastic; cytoplasm reticulated; numerous contractile vacuoles; in fresh water. (ref. ID; 1618)

Measurements

150-320 um long. (ref. ID; 1618)