This paper documents the discovery of peridinioid organic walled dinoflagellate cysts in Holocene sediments of the freshwater, low-alkalinity, high mountain Lake Nero di Cornisello (Adamello mountain range, Trentino, Italy). Among the three main cyst morphotypes found in the samples, the dominant one is acavate, with a smooth and light brown colored wall, with a clear conical shape, elongated with a pointy to rounded end in the antapical-ventral part, with the epicyst broader than the hypocyst and displays a typical peridinioid archeopyle. Comparison with data available in literature, besides pointing out the general scarcity of observations on dinocysts in lakes sediments, suggested a strong morphological similarity with the marine genus Brigantedinium. This finding pinpoints the need for more detailed studies on cysts in freshwater environments offering a new tool for paleoenvironmental interpretations. © 2006 Springer Science+Business Media, Inc.
CITATION STYLE
Tardio, M., Sangiorgi, F., Brinkhuis, H., Filippi, M. L., Cantonati, M., & Lotter, A. F. (2006). Peridinioid dinoflagellate cysts in a Holocene high-mountain lake deposit in Italy. Journal of Paleolimnology, 36(3), 315–318. https://doi.org/10.1007/s10933-006-9001-1
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