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Osman Varol, PhD Terminologies, Symbols and Abbreviations
Taxonomy

Nannofossils Essential ICN Rules to Know Preparation Techniques for Calcareous Nannofossils
Biostratigraphy

Brief History of Nannofossils Zonation schemes
Research

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Coccolithophyceae
Eifellithales
Stephanolithionineae
Helenmanivitaceae

Helenmanivitaceae

Varol, in prep.

Helenemanivitia

Varol, 2025a

Helenmanivitia colombiana VR 22869

Helenemanivitia colombiana

Late Maastrichtian - Late Campanian

Taxonomy

Eukaryota
- Protista_Haptophyta
  - Coccolithophyceae
    - Eifellithales
      - Stephanolithionineae
        
        Helenmanivitaceae
        
        Helenemanivitia

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