Distinguishing features:
Parent taxon (Rarer genera): Less common genera
This taxon: Cavate holococcolith with internal walls and distal protrusions
Daughter taxa (time control age-window is: 0-800Ma) | ||||
Tanzanella bownii | ||||
Tanzanella sp. Specimens not identified to species level |
Taxonomy:
Farinacci & Howe catalog pages: Tanzanella *
Distinguishing features:
Parent taxon (Rarer genera): Less common genera
This taxon: Cavate holococcolith with internal walls and distal protrusions
Morphology:
LITHS: holococcolith, elliptical, hollow, CA: ca_disjunct, plate, process, CROSS-POLARS: rim-bicyclic, |
Lith size: 5->11µm; Data source notes: size range of included species |
Geological Range:
Last occurrence (top): at top of UC3b subzone (100% up, 95Ma, in Cenomanian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within UC3a subzone (95.93-96.16Ma, base in Cenomanian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Lees, J. A. (2007). New and rarely reported calcareous nannofossils from the Late Cretaceous of coastal Tanzania: outcrop samples and Tanzania Drilling Project Sites 5, 9 and 15. Journal of Nannoplankton Research. 29(1): 39-65. gs O Perez-Rodriguez, I., Lees, J. A., Larasoaña, J. C., Arz, J. A. & Arenillas, I. (2012). Planktonic foraminiferal and calcareous nannofossil biostratigraphy and magnetostratigraphy of the uppermost Campanian and Maastrichtian at Zumaia, northern Spain. Cretaceous Research. 37: 100-126. gsReferences:
Tanzanella compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 4-10-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=11191 Go to Archive.is to create a permanent copy of this page - citation notes |
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