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Morphological Redescriptions of Aspidisca magna Kahl, 1932 and A. leptaspis Fresenius, 1865 (Ciliophora, Euplotida), with Notes on Ontogenesis in A. magna
Choon Bong Kwon
Acta Protozoologica, Volume 49, Issue 4, 2010, pp. 327 - 337