About the Authors

Andrzej Witkowski

witkowsk@univ.szczecin.pl

Affiliation Palaeoceanology Unit, Faculty of Geosciences, University of Szczecin, Mickiewicza 18, PL-70-383, Szczecin, Poland

Frederik Barka

Affiliation Institute of Molecular Biosciences, Goethe University, D-60438 Frankfurt am Main, Germany

David G. Mann

Affiliations Royal Botanic Garden Edinburgh, 20A Inverleith Row, Edinburgh EH3 5LR, Scotland, United Kingdom, Aquatic Ecosystems, Institute for Food and Agricultural Research and Technology (IRTA), Crta de Poble Nou Km 5.5, E-43540 Sant Carles de la Ràpita, Catalunya, Spain

Chunlian Li

Affiliation Palaeoceanology Unit, Faculty of Geosciences, University of Szczecin, Mickiewicza 18, PL-70-383, Szczecin, Poland

Jascha L. F. Weisenborn

Affiliation Institute of Ecology, Evolution and Diversity, Goethe University, D-60438 Frankfurt am Main, Germany

Matt P. Ashworth

Affiliation Section of Integrative Biology, Biological Laboratories, University of Texas at Austin, Austin, Texas, United States of America

Krzysztof J. Kurzydłowski

Affiliation Faculty of Engineering and Material Science, Warsaw University of Technology, Warsaw, Poland

Izabela Zgłobicka

Affiliation Faculty of Engineering and Material Science, Warsaw University of Technology, Warsaw, Poland

Sławomir Dobosz

Affiliation Palaeoceanology Unit, Faculty of Geosciences, University of Szczecin, Mickiewicza 18, PL-70-383, Szczecin, Poland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AW FB DGM JW MA CL. Performed the experiments: FB DGM AW JW KJK IZ SD. Analyzed the data: AW CL MA DGM KJK IZ SD. Contributed reagents/materials/analysis tools: AW DGM FB JW KJK IZ SD. Wrote the paper: AW DGM FB MA CL SD. Auxosporulation of Biremis sp.: DGM. Microscopy, identification and description of B. panamae: AW KJK IZ SD.