Coccolithus

Edited by Jeremy Young on Wed, 09/03/2011 - 12:44

Genus Coccolithus Schwarz 1894

Description: Elliptical or circular placolith coccolith showing the typical coccolthaceae rim structure (V-unit forms distal shield and lower cycle of central-area; R-unit forms proximal shield and upper cycle of central-area), central pen or spanned by disjunct bar on proximal surface.

Remarks: Circular species do not occur in Neogene.

Type species: Coccolithus pelagicus (Wallich, 1877) Schiller, 1930

Geological Time Data

Geological Time Periods:

Holocene

Paleocene

Biblio Reference:

Perch-Nielsen, K. 1985. Cenozoic calcareous nannofossils. Plankton Stratigraphy. 1. Planktic foraminifera, calcareous nannofossils and calpionellids:427-554.