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Hydrobiological Journal
SJR: 0.217 SNIP: 0.575 CiteScore™: 0.24

ISSN Print: 0018-8166
ISSN Online: 1943-5991

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v54.i2.50
pages 47-54

Mass Development of Palatinus apiculatus (Dinoflagellata) in the Verbne Lake (Kyiv, Ukraine)

A. F. Krahmalniy
Institute of Evolutionary Ecology National Academy of Sciences of Ukraine


The article deals with the mass development and morphological features of autotrophic dinoflagellate Palatinus apiculatus (Ehrenberg) Craveiro et al. (Dinoflagellata, Dinophyta) in the Verbne Lake (Obolonskiy district, Kiev). It was found that the cells of this population were characterized by larger size than given in literature data for other localities. The following peculiarities of the cell structure were revealed: relatively small size of 1 plate and its distance from the apex; slight displacement of the cingulum (0.5 its width); curvature of the sulcus, more pronounced ornamentation of pre-cingular, post-cingular and antapical plates. Non-conformity of some P. apiculatus illustrations published by E. Lemmermann (1900) and R. Thompson (1950), which have been used earlier in determinative keys was concluded. For the correct identification of P. apiculatus we recommended drawings by M. Lefevre (1932), photos from recent publications (Hansen & Flaim, 2007; Craveiro et al, 2009), as well as original photographs and drawings.

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