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Osman Varol, PhD Terminologies, Symbols and Abbreviations
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Nannofossils Essential ICN Rules (Madrid Code) to Know Preparation Techniques for Calcareous Nannofossils
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Brief History of Nannofossils Zonation schemes
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Thoracosphaerales
-.-.-.-.-.
Thoracosphaeraceae
Calcigonellum

Calcigonellum

Taxonomy

Eukaryota
- Chromalveolata
  - Dinoflagellata
    - Dinophyceae
      - Thoracosphaerales
        
        -.-.-.-.-.
        
        Thoracosphaeraceae
        
        Calcigonellum

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Cervisiella cf. operculata
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