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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Cyclophrya

Cyclophrya Gonnert, 1935 (ref. ID; 2013)

Class Kinetofragminophora: Subclass Suctoria: Order Suctorida: Suborder Evaginogenina (ref. ID; 2013)

[ref. ID; 2013]
Flattened body approximately circular in cross-section. There is neither lorica nor stalk and the flattened animal is attached directly to the substratum by a large basal plate. The sparse capitate tentacles are situated in 3 to 6 fascicles which are irregularly placed over the body surface. The macronucleus is band-like, coiled but not branched. There are several contractile vacuoles. Reproduction is by endogenous bud formation with the production of an elongate cylindrical form with many longitudinal rows of cilia. Most easily confused with Heliophrya.
Quote; Colin R. Curds "British and other freshwater ciliated protozoa Part I Ciliophora: Kinetofragminophora" Cambridge University Press, 1982 (ref. ID; 2013)
  1. Cyclophrya erhardi (ref. ID; 3689)
  2. Cyclophrya katharinae Kormos, 1960 (ref. ID; 794)
  3. Cyclophrya magna Gonnert (ref. ID; 794, 1335) reported author and year? (ref. ID; 191, 4612)
    Syn; Craspedophrya erhardi Rieder, 1936 (ref. ID; 794); Heliophrya erhardi (Rieder) Matthes, 1954 (ref. ID; 794)

Cyclophrya magna Gonnert, 1935 (ref. ID; 794, 1335) reported author and year? (ref. ID; 191, 4612)

Synonym

Craspedophrya erhardi Rieder, 1936 (ref. ID; 794); Heliophrya erhardi (Rieder) Matthes, 1954 (ref. ID; 794)

Descriptions

The suckers of C. magna are situated on both sides of the larval longitudinal axis. In case of 4 fascicles of suckers the connecting lines form a rectangle. When budding, the invagination begins at the bottom of the right posterior fascicle. The suckers of C. katharinae are located on both ends of the larval longitudinal axis as well as on those of the right-left axis, forming a right angle to the former. (In case of 4 fascicles of suckers the connecting lines form a trapeze.) The invagination starts on the right in front of the posterior fascicle, thus its position is unchanged as compared to the ciliated zone of the swarmer stage. The size of C. katharinae averages 1.5-2 times more than that of C. magna. Upon experimental interference the place of invagination in the cortical layer of C. katharinae moves in an opposite direction from that of C. magna. (ref. ID; 794)