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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Actinobolina

Actinobolina Strand, 1928 (ref. ID; 2013)

Class Kinetofragminophora: Subclass Gymnostomata: Order Haptorida: Family Actinobolinidae (ref. ID; 2013)

Synonym Actinobolus Stein, 1867 (ref. ID; 2013) reported year? (ref. ID; 1618)

[ref. ID; 2013]
Body shape ovoid, posterior always rounded, anterior sometimes slightly narrowed. Oral aperture apically located, supported by cytopharyngeal basket of trichites. Body covered in uniform ciliation, either in longitudinal or oblique rows. There are many extensible tentacles among the cilia which may be retracted or extended to about twice the body width. Macronucleus usually elongate and ribbon-like but may be in two spherical parts. Single terminal contractile vacuole. Carnivorous, feeds on rotifers. Belonophrya
Quote; Colin R. Curds "British and other freshwater ciliated protozoa Part I Ciliophora: Kinetofragminophora" Cambridge University Press, 1982 (ref. ID; 2013)
  1. Actinobolina radians Stein, 1852 (ref. ID; 1219, 1619, 1896, 2573, 3540) or (Stein, 1867) Strand, 1928 (ref. ID; 4612, 4613) reported author and year? (ref. ID; 3292)
    Syn; Actinobolus radians Stein, 1867 (ref. ID; 4612, 4613); Belonophrya pelagica Andre, 1912 (ref. ID; 3540)
  2. Actinobolina smalli Holt, Lynn & Corliss, 1973 (ref. ID; 4613)
  3. Actinobolina vorax Wenrich, 1929 (ref. ID; 1308, 1335, 1619, 1629, 2573, 3540) reported year? (ref. ID; 1618) or (Wenrich, 1929) Kahl, 1930 (ref. ID; 4488, 4612, 4613) reported author and year? (ref. ID; 3292)
    Syn; Actinobolus vorax Wenrich, 1929 (ref. ID; 4612, 4613)

Actinobolina vorax Wenrich, 1929 (ref. ID; 1308, 1335, 1619, 1629, 2573, 3540) reported year? (ref. ID; 1618) or (Wenrich, 1929) Kahl, 1930 (ref. ID; 4488, 4612, 4613) reported author and year? (ref. ID; 3292)

Synonym

Actinobolus vorax Wenrich, 1929 (ref. ID; 4612, 4613)

Descriptions

Elongate oval to spheroid; yellowish brown in color; cytostome at anterior end; contractile vacuole terminal; macronucleus rope-like; thirty to sixty ciliary rows; about thirty tentacles in each ciliary row; tentacles may be extended to twice the diameter of the body or be completely withdrawn; feeds chiefly on rotifers which stop all movements as though completely paralyzed upon coming in contact with the tentacles. (ref. ID; 1618)

Measurements

Body 100-200 um long. (ref. ID; 1618)