Küppers, G. C.; Claps, M. C. (2010). Morphology and Notes on Morphogenesis during Cell Division of Deviata polycirrata n. sp. and of Deviata bacilliformis (Gelei, 1954) Eigner, 1995 (Ciliophora: Kahliellidae) from Argentina. Journal of Eukaryotic Microbiology. 273–284.

222291

10.1111/j.1550-7408.2010.00474.x [view]

Küppers, G. C.; Claps, M. C.

2010

273–284

Publication

Described herein are the morphology and certain morphogenetic stages of a new freshwater ciliate species, Deviata polycirrata n. sp., and of Deviata bacilliformis recorded in the soil of a dried temporary pond from Argentina. Ciliates were studied alive and after silver impregnation with Protargol. Deviata polycirrata n. sp. measures 130–180 × 45–70 µm in vivo. The species possesses 8–9 long cirral rows on the right and 9–13 on the left of the oral zone, and 3 dorsal rows of dikinetids. The adoral zone is composed of 39–48 membranelles. There are four macronuclear nodules and usually two micronuclei. A single contractile vacuole is located equatorially on the left body margin. This new species mainly differs from its congeners in having a higher number of cirral rows, the three long dorsal rows of dikinetids (vs. usually one to two dorsal rows of dikinetids), and a higher number of adoral membranelles. The other species reported here, D. bacilliformis, is recorded for the first time in Argentina. Unlike previous observations on this species, on the dorsal surface there are cirral rows that are preceded by cilia (combined cirral rows), and stomatogenesis begins with the proliferation of non-ciliferous basal bodies some distance posterior to the buccal vertex.

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