Articles | Volume 40, issue 2
https://doi.org/10.5194/jm-40-101-2021
https://doi.org/10.5194/jm-40-101-2021
Research article
 | 
13 Sep 2021
Research article |  | 13 Sep 2021

Revised taxonomy and early evolution of fasciculiths at the Danian–Selandian transition

Francesco Miniati, Carlotta Cappelli, and Simonetta Monechi

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Cited articles

Agnini, C., Fornaciari, E., Raffi, I., Rio, D., Röhl, U., and Westerhold, T.: High-resolution nannofossil biochronology of middle Paleocene to early Eocene at ODP Site 1262: implications for calcareous nannoplankton evolution, Mar. Micropaleontol., 47, 215–248, https://doi.org/10.1016/j.marmicro.2007.05.003, 2007. 
Agnini, C., Fornaciari, E., Raffi, I., Catanzariti, R., Pälike, H., Backman, J., and Rio, D.: Biozonation and biochronology of Paleogene calcareous nannofossils from low and middle latitudes, Newsl. Stratigr., 47, 131–181, https://doi.org/10.1127/0078-0421/2014/0042, 2014. 
Angori, E. and Monechi, S.: High-resolution calcareous nannofossil biostratigraphy across the Paleocene/Eocene boundary at Caravaca (southern Spain), Isr. J. Earth Sci., 44, 197–206, 1996. 
Angori, E., Bernaola, G., and Monechi, S.: Calcareous nannofossil assemblages and their response to the Paleocene-Eocene Thermal Maximum event at different latitudes: ODP Site 690 and Tethyan sections, Geol. Soc. Am. Spec. Pap., 424, 69–85, https://doi.org/10.1130/2007.2424(04), 2007. 
Aubry, M.-P.: Handbook of Cenozoic Calcareous Nannoplankton, Book 3, Ortholithae (Pentaliths and Other), Heliolithae (Fasciculiths, Sphenoliths and Others), American Museum of Natural History Micropaleontology Press, New York, 279 pp., 1989. 
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Short summary
This study presents a taxonomic revision of calcareous nannoplankton, known as fasciculiths (family Fasciculithaceae). The investigation approach is based on a direct light microscope and SEM comparison of the same individual specimen, providing a key to clarify a correct classification of several taxa. The new findings document the early evolutionary history of fasciculiths, demonstrating the biostratigraphic relevance of this group in the early Paleocene (Danian–Selandian transition).