Distinguishing features:
Parent taxon (ntax_mesozoic): Mesozoic nannofossils - Cenozoic and extant taxa are in a separate module
This taxon: Coccoliths formed of minute (ca 0.1µm) rhombohedral micro-crystals. Often a life-cycle stage with heterococcolith counterpart(s).
Daughter taxa (time control age-window is: 0-800Ma) | Granddaughter taxa | ||||
Common genera The four most commonly recorded genera | |||||
Rarer genera Less common genera | Bifidalithus Bilapillus Multipartis Munarinus Octolithus Okkolithus Ottavianus Pharus Ramsaya Russellia Saepiovirgata Acuturris Anfractus Duocameratus Lacunolithus-Bown Metadoga Nicholasia Paulpearsonia Petrobrasiella Pseudoconus Semihololithus Stereorhabdus Tanzanella Thecatus unidentified holococcoliths |
Taxonomy:
The subdivision here into common and rarer genera ismade purelyto highlight those genera which are worth paying attention to first
Farinacci & Howe catalog pages:
Distinguishing features:
Parent taxon (ntax_mesozoic): Mesozoic nannofossils - Cenozoic and extant taxa are in a separate module
This taxon: Coccoliths formed of minute (ca 0.1µm) rhombohedral micro-crystals. Often a life-cycle stage with heterococcolith counterpart(s).
Ecology & Biogeography
: holococcolith, |
Lith size: 0->0µm; |
Geological Range:
Last occurrence (top): at top of Paleocene Epoch (100% up, 56Ma, in Thanetian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Toarcian Stage (174.70-184.20Ma, base in Toarcian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Young, J. R., Geisen, M., Cros, L., Kleijne, A., Probert, I. & Ostergaard, J. B. (2003). A guide to extant coccolithophore taxonomy. Journal of Nannoplankton Research. S1: 1-132. gs References:
Holococcoliths compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 14-12-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=10534 Go to Archive.is to create a permanent copy of this page - citation notes |
This policy contains information about your privacy. By posting, you are declaring that you understand this policy:
This policy is subject to change at any time and without notice.
These terms and conditions contain rules about posting comments. By submitting a comment, you are declaring that you agree with these rules:
Failure to comply with these rules may result in being banned from submitting further comments.
These terms and conditions are subject to change at any time and without notice.
Comments