Craticullithus clathrus


Ancestry: Coccolithophores -> Coccolithales -> Coccolithaceae -> Craticullithus -> Craticullithus clathrus
Sister taxa: C. cancellus, C. clathrus, C. lamina, C. cassus, C. sp.,

Short diagnosis: Medium to large, elliptical placolith coccoliths with broad central-areas spanned by lattice-like grills that are dominated by longitudinal bars.


Taxonomy:

Citation: Craticullithus clathrusBown, 2010
Rank: Species

Farinacci & Howe catalog pages: Craticullithus clathrus *

Short diagnosis: Medium to large, elliptical placolith coccoliths with broad central-areas spanned by lattice-like grills that are dominated by longitudinal bars.


Morphology remarks: The distal shield elements show distinctly kinked and stepped sutures. Approximately 12 lath-like bars make up the central grill with one to four central transverse bars and three to five longitudinal bars forming the rest of the structure.

Geological Range:
Last occurrence (top): within NP9 zone (55.86-57.21Ma, top in Ypresian stage). Data source: Bown, 2010
First occurrence (base): within NP9 zone (55.86-57.21Ma, base in Thanetian stage). Data source: Bown, 2010

Plot of occurrence data:

References:

Bown, P.R., (2005). Palaeogene calcareous nannofossils from the Kilwa and Lindi areas of coastal Tanzania (Tanzania Drilling Project 2003-4). Journal of Nannoplankton Research, 27(1): 21-95.

Bown, P.R., (2010). Calcareous nannofossils from the Paleocene/Eocene Thermal Maximum interval of southern Tanzania (TDP Site 14). Journal of Nannoplankton Research, 31: 11-38.


Nannotax3 - Coccolithophores - Craticullithus clathrus by: Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 26-3-2017

Taxon
Search
Search term: in module
Advanced
Search




Comments (1)

Sort By
Page 1 of 1
 
Gravatar
Jason Crux (Rock Metrics Americas LLC, US)
Jeremy,

One of your specimens clearly appears to be a Sollasites horticus.

Jason
Page 1 of 1
 

Add Comment

* Required information
1000
Captcha Image
Powered by Commentics