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Journal of Micropalaeontology An open-access journal of The Micropalaeontological Society
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JM | Articles | Volume 38, issue 1
J. Micropalaeontol., 38, 55–65, 2019
https://doi.org/10.5194/jm-38-55-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
J. Micropalaeontol., 38, 55–65, 2019
https://doi.org/10.5194/jm-38-55-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 26 Apr 2019

Research article | 26 Apr 2019

Where should we draw the lines between dinocyst “species”? Morphological continua in Black Sea dinocysts

Thomas M. Hoyle et al.
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Bijl, P. K., Brinkhuis, H., Egger, L. M., Eldrett, J. S., Frieling, J., Grothe, A., Houben, A. J. P., Pross, J., Kasia, K. Ś., and Sluijs, A.: Comment on “Wetzeliella and Its Allies – the “Hole” Story: A Taxonomic Revision of the Paleogene Dinoflagellate Subfamily Wetzelielloideae” by Williams et al. (2015)”, Palynology, 41, 423–429, 2016. 
Bista, D., Hoyle, T. M., Sangiorgi, F., and Flecker, R.: The connectivity history of the Black Sea over the last 1.2 million years, in preparation, 2019. 
Boere, A. C., Rijpstra, W. I. C., De Lange, G. J., Sinninghe Damsté, J. S., and Coolen, M. J. L.: Preservation potential of ancient plankton DNA in Pleistocene marine sediments, Geobiology, 9, 377–393, https://doi.org/10.1111/j.1472-4669.2011.00290.x, 2011. 
Corradini, D. and Biffi, U.: Dinocyst study at the Messinian-Pliocene boundary in the Cava Serredi section, Tuscany, Italy, Bull. des centres Rech. Explor. Elf-Aquitaine, 12, 221–236, 1988. 
de Vernal, A. and Marret, F.: Organic-Walled Dinoflagellate Cysts: Tracers of Sea-Surface Conditions, in: Developments in Marine Geology, Proxies in Late Cenozoic Paleoceanography, Vol. 1, edited by: Hillaire-Marcel, C. and de Vernal, A., 371–408, Elsevier, Oxford, 2007. 
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Morphology of dinoflagellate cysts (which are valuable tools in deciphering past environmental and climate changes) depends not only on genetics, but also on a range of environmental factors. We review frequently occurring (Black Sea) morphotypes and propose use of matrices to record gradual variation between endmember forms as a pragmatic approach until cyst–theca studies and genetic sequencing can demonstrate relationships between genetically and environmentally controlled morphotypes.
Morphology of dinoflagellate cysts (which are valuable tools in deciphering past environmental...
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