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Coccolithus bownii Jiang & Wise, 2007
Medium to large size (4.0-10.0µm), elliptical species of Coccolithus Schwarz (1894) having a large central opening without any central structure.
Jiang, S. & Wise, S. W. (2007): Taxonomic note: A new Coccolithus species that thrived during the Paleocene/Eocene Thermal Maximum. - Journal of Nannoplankton Research. 29(2): 88-91.
Schwarz, E. H. L. (1894): Coccoliths. - Annals and Magazine of Natural History. 14: 341-346.
Jiang & Wise, 2007