Daughter taxa (time control age-window is: 0-800Ma) | ||||
Pocillithus spinulifer Coccoliths with high, narrow walls; central-area with axial cross supporting tall spine |
Taxonomy:
Distinguishing features:
Parent taxon (Papposphaeraceae): Narrow-rimmed muroliths, mostly with prominent central structures.
This taxon: Coccoliths with tall, narrow, quadrate spines; high rim with smooth distal rim. Only known from fossil record,
Farinacci & Howe catalog pages: Pocillithus *
Morphology:
LITHS: murolith, elliptical, CA: cross-axial, ca_disjunct, process, |
Lith size: 1->1.2µm; |
Geological Range:
Last occurrence (top): at top of Early Oligocene Sub-Epoch (100% up, 28.1Ma, in Rupelian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Late Paleocene Sub-Epoch (55.96-59.24Ma, base in Thanetian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
Andruleit, H. & Young, J. R. (2010). Kataspinifera baumannii: a new genus and species of deep photic coccolithophores resembling the non-calcifying haptophyte Chrysochromulina. Journal of Micropalaeontology. 29: 135-147. gs Bown, P. R. (2010). Calcareous nannofossils from the Paleocene/Eocene Thermal Maximum interval of southern Tanzania (TDP Site 14). Journal of Nannoplankton Research. 31(1): 11-38. gs O Dunkley Jones, T., Bown, P. R. & Pearson, P. (2009). Exceptionally well preserved upper Eocene to lower Oligocene calcareous nannofossils (Prymnesiophycidae) from the Pande Formation (Kilwa Group), Tanzania. Journal of Systematic Palaeontology. 7(4): 359-411. gsReferences:
Pocillithus compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 6-10-2024
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1057 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