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Journal of Marine Biology
Volume 2015, Article ID 614609, 5 pages
Research Article

A Parasite of Marine Rotifers: A New Lineage of Dinokaryotic Dinoflagellates (Dinophyceae)

1Laboratory of Plankton Systems, Oceanographic Institute, University of São Paulo, Praça do Oceanográfico 191, Cidade Universitária, 05508-900 Butantã, SP, Brazil
2Department of Veterinary Disease Biology, University of Copenhagen, Stigbøjlen 7, 1870 Frederiksberg C, Denmark

Received 11 July 2015; Accepted 27 August 2015

Academic Editor: Gerardo R. Vasta

Copyright © 2015 Fernando Gómez and Alf Skovgaard. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Dinoflagellate infections have been reported for different protistan and animal hosts. We report, for the first time, the association between a dinoflagellate parasite and a rotifer host, tentatively Synchaeta sp. (Rotifera), collected from the port of Valencia, NW Mediterranean Sea. The rotifer contained a sporangium with 100–200 thecate dinospores that develop synchronically through palintomic sporogenesis. This undescribed dinoflagellate forms a new and divergent fast-evolved lineage that branches among the dinokaryotic dinoflagellates.