Daughter taxa (time control age-window is: 0-800Ma)![]() | Granddaughter taxa | ||||
| Emiliania huxleyi See generic diagnosis (monospecific) | |||||
| Emiliania sp. Specimens which cannot be assigned to established species yet | |||||
Distinguishing features:
Parent taxon (Noelaerhabdaceae): Heterococcoliths with Reticulofenestra-type structure, V-units vestigal, R-units forming grill, both shields, and two-layered tube
This taxon: No bridge, slits between distal shield elements
Farinacci & Howe catalog pages:
Emiliania *
Most likely ancestor:
Gephyrocapsa - at confidence level 5 (out of 5). Data source: Sugested by many authors, e.g. McIntyre and strongly supported by molecular genetic and data (e.g. Bendif et al. 2014).
| LITHS: placolith, elliptical, CA: ca_conjunct, grill, vacant, CSPH: equant, monomorphic, CROSS-POLARS: rim-unicyclic, R-prominent, |
| Lith size: 2->5µm; |
Geological Range:
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within NN21 zone (0.00-0.29Ma, base in Ionian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Hay, W. W., Mohler, H. P., Roth, P. H., Schmidt, R. R. & Boudreaux, J. E. (1967). Calcareous nannoplankton zonation of the Cenozoic of the Gulf Coast and Caribbean-Antillean area, and transoceanic correlation. Transactions of the Gulf-Coast Association of Geological Societies. 17: 428-480. gs O Young, J. R. (1998). Neogene. In, Bown, P. R. (ed.) Calcareous Nannofossil Biostratigraphy. British Micropalaeontological Society Publication Series . 225-265. gs References:

![]()
![]() |
Emiliania compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 10-5-2026
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=532 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