Calcidiscus bicircus

Bown, 2005 Sep 07, 2020

Set number: 260

  • Calcidiscus bicircus 1993 1
  • Calcidiscus bicircus 1994 2
    10µm
Calcidiscus bicircus, Middle Eocene, Pakistan

Set number: 259

  • Calcidiscus bicircus 1995 1
  • Calcidiscus bicircus 1996 2
    10µm
Calcidiscus bicircus, Middle Eocene, Pakistan
Final Epithet
Calcidiscus bicircus Bown, 2005
Basionym

Calcidiscus bicircus Bown, 2005

References

Bown, P. R., (2005): Palaeogene calcareous nannofossils from the Kilwa and Lindi areas of coastal Tanzania (Tanzania Drilling Project 2003-4). -Journal of Nannoplankton Research. 27(1): 21-95.

Taxonomy
Calcidiscus
Biostratigraphy
  • Phanerozoic
    • Cenozoic
      • Paleogene
        • Eocene
          • Late Eocene
          • Middle Eocene
            • Bartonian
          • Early Eocene
            • Ypresian
Stratigraphic Range
Ypresian - Bartonian
Age (Ma)
56.00? - 37.71?
Holotype
Calcidiscus bicircus 1995 Calcidiscus bicircus 1995

Calcidiscus? bicircus Bown, 2005

Middle Eocene

TDP Site 2, Kilwa Masoko, Tanzania