Distinguishing features:
Parent taxon (Rarer genera): Less common genera
This taxon: Holococcoliths with rim of 10-26 blocks and a small central block.
Daughter taxa (time control age-window is: 0-800Ma) | ||||
Russellia bukryi medium sized (5-8 µm) | ||||
Russellia laswellii small sized (3-5 µm) | ||||
Russellia sp. Specimens not identified to species level |
Taxonomy:
Farinacci & Howe catalog pages: Russellia *
Distinguishing features:
Parent taxon (Rarer genera): Less common genera
This taxon: Holococcoliths with rim of 10-26 blocks and a small central block.
Search data:
LITHS: holococcolith, elliptical, CA: ca_disjunct, CROSS-POLARS: rim-unicyclic, R-prominent, |
Lith size: 3->8µm; Data source notes: size range of included species |
Geological Range:
Last occurrence (top): at top of Maastrichtian Stage (100% up, 66Ma, in Danian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Maastrichtian Stage (66.04-72.17Ma, base in Maastrichtian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Russellia compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 7-10-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=11061 Go to Archive.is to create a permanent copy of this page - citation notes |
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