Scientia Marina, Vol 66, No S1 (2002)

Atlas of Northwestern Mediterranean Coccolithophores


https://doi.org/10.3989/scimar.2002.66s11

Lluïsa Cros
Institut de Ciències del Mar, CMIMA-CSIC, Spain

José Manuel Fortuño
Institut de Ciències del Mar, CMIMA-CSIC, Spain

Abstract


The present Atlas contains a detailed study, based in scanning electron microscopy (SEM) observations, of living coccolithophores from NW Mediterranean waters. The study contains 103 figures with 411 micrographs, which correspond to 168 coccolithophores (including different taxonomic and morphotypic entities). The figured specimens were collected during different cruises carried out from 1995 to 1999.Classification of the organisms follows modern taxonomy of living calcareous nannoplankton. Measures of the specimens and notes on their taxonomy are given in addition to abridged descriptions of the studied taxa. The atlas contains a large number of previously undescribed forms, specially in the genera Syracosphaera, Papposphaera, Polycrater, Anthosphaera, Corisphaera and Sphaerocalyptra. Several species never illustrated in the literature are presented here for the first time. Coccospheres having coccoliths of different recognized species are presented. These combination coccospheres are nowadays considered as transitional steps between different phases in the cellular life-cycle. An introduction with a brief overview of the actual coccolithophore knowledge and an abridged glossary with figures of the basic terminology are included.

Keywords


coccolithophores;calcareous nannoplankton; living; Haptophyta; Prymnesiophyceae; NW Mediterranean Sea

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