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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Atractos

Atractos Vorosvary, 1950 (ref. ID; 2014)

Class Polyhymenophora: Subclass Spirotricha: Order Hypotrichida: Suborder Stichotrichina: Family Spirofilidae (ref. ID; 2014)

[ref. ID; 2014]
Body an elongate cone tapering posteriorly. 4 rows of cirri and 4 rows of cilia spiraling, at least twice, down the length of the cell. AZM short, restricted to the anterior body quarter. 2 ovoid macronuclei with adjacent micronuclei. Contractile vacuole situated in anterior body quarter. Found in detritus feeding on diatoms. Single species genus, originally isolated in Hungary.
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)