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Calcidiscus macintyrei

Edited by Lyndsey on Thu, 10/03/2011 - 11:05

Calcidiscus macintyrei (Bukry and Bramlette, 1969) Loeblich and Tappan, 1978 [Cyclococcolithus]

Description: Large circular species of Calcidiscus with central opening.

Remarks: Usually confined to specimens >10μm to allow unambguous biostratigraphic use. Essentially this is a large variant of C. tropicus.

Original description:

Cat060007 copy.jpgCat060008 copy.jpg

Calcidiscus macintyrei Calcidiscus macintyrei B Ca mac ex calcite palaceCmac191-06NN16.JPG

Geological Time Data
Geological Time Periods: 
NN19
NN17
Biblio Reference: 
Young, JR.  1998.  Neogene. Calcareous nannofossil biostratigraphy. :225-265.
Notes on occurrence information: 

Use of the name C. macintyrei is normally confined to the large specimens occurring in this time interval although similar morphotypes do occur in the Miocene

Comments

Thu, 22/04/2010 - 10:38 — Jeremy Young
Jeremy Young's picture

test

well dodgy

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