Daughter taxa (time control age-window is: 0-800Ma)![]() | ||||
Calcidiscus leptoporus subsp. leptoporus HOL Disk with double layer of crystallites in hexagonal meshwork array | ||||
Coccolithus pelagicus subsp. braarudii HOL Disk with single layer of crystallites arranged in radial strings | ||||
Coccolithus pelagicus subsp. pelagicus HOL Disk with single layer of crystallites in irregular rhombohedral array |
Taxonomy:
Distinguishing features: Liths are planar disks, variable ultrastructure. Cocospheres monomorphic. The species were formerly in Crystallolithus
Farinacci & Howe catalog pages:
Search data:Tags | LITHS: |
Metrics | Lith size: 1.6->3µm; |
Geological Range:
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): at base of Gelasian Stage (0% up, 2.6Ma, in Gelasian stage). Data source: Total of range of species in this database
Plot of occurrence data:
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flat (coccolithaceae HOLs) compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 4-3-2021
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=579 Go to Archive.is to create a permanent copy of this page - citation notes |