Distinguishing features:
Parent taxon (Tintinnabuliformis): Bell shaped nannofossil with basal flange and apical horn(s), formed of single cycle of elements
This taxon: Species of Tintinnabuliformis with one horn
Farinacci & Howe catalog pages:
T. unicorn *
| LITHS: nannolith-radiate, circular, cylindrical, hollow, CA: process, CROSS-POLARS: R-prominent, |
| Lith size: 6->8µm; Data source notes: lith length from OD and slightly extended |
Geological Range:
Last occurrence (top): within NN7 zone (10.89-11.90Ma, top in Tortonian stage). Data source: original description
First occurrence (base): within NN6 zone (11.90-13.53Ma, base in Serravallian stage). Data source: original description
Plot of occurrence data:
Varol, O. (1991). New Cretaceous and Tertiary Calcareous Nannofossils. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen. 182: 211-237. gsReferences:

![]() |
Tintinnabuliformis unicorn compiled by Jeremy R. Young, Paul R. Bown, Jacqueline A. Lees viewed: 18-6-2026
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=1412 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