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PROROCENTRUM LEVIS, A NEW BENTHIC SPECIES (DINOPHYCEAE) FROM A MANGROVE ISLAND, TWIN CAYS, BELIZE1
Version of Record online: 6 FEB 2008
© 2008 Phycological Society of America
Journal of Phycology
Volume 44, Issue 1, pages 232–240, February 2008
How to Cite
Faust, M. A., Vandersea, M. W., Kibler, S. R., Tester, P. A. and Litaker, R. W. (2008), PROROCENTRUM LEVIS, A NEW BENTHIC SPECIES (DINOPHYCEAE) FROM A MANGROVE ISLAND, TWIN CAYS, BELIZE. Journal of Phycology, 44: 232–240. doi: 10.1111/j.1529-8817.2007.00450.x
Received 12 October 2005. Accepted 26 June 2007.
- Issue online: 6 FEB 2008
- Version of Record online: 6 FEB 2008
- coral reef;
- Prorocentrum belizeanum;
- scanning electron microscopy;
As part of a long-term study of benthic dinoflagellates from the Belizean barrier reef system, we report a new species: Prorocentrum levis M. A. Faust, Kibler, Vandersea, P. A. Tester et Litaker sp. nov. P. levis cells are oval in valve view and range in size from 40 to 44 μm long and 37 to 40 μm wide. Each valve surface is smooth, with 221–238 valve pores and 99–130 marginal pores. These pores are uniformly small and range in diameter from 0.13 to 0.19 μm. Asexual reproduction in P. levis is atypical, occurring within a hyaline envelope, and produces long branching chains of adherent cells. A phylogenetic analysis of SSU rDNA indicated that of the Prorocentrum species sequenced so far, P. levis was most closely related to P. concavum. P. levis produces okadaic acid and dinophysis toxin-2 (DTX2). Further, SEM observations and SSU rDNA sequence for P. belizeanum M. A. Faust, which was isolated at the same time, are also presented.