Set number: 814

  • Biantholithus sparsus 22881 1
  • Biantholithus sparsus 22883 2
  • Biantholithus sparsus 22886 3
  • Biantholithus sparsus 22884 4
    10µm
Biantholithus sparsus, Early Paleocene, Kokaksu, Zonguldak, Turkey

with eight segments

Set number: 815

  • Biantholithus sparsus 21929 1
  • Biantholithus sparsus 21928 2
  • Biantholithus sparsus 21931 3
  • Biantholithus sparsus 21930 4
    10µm
Biantholithus sparsus, Middle Paleocene, DSDP Leg 25, Site 245A, Mozambique Channel (Davie Ridge), Indian Ocean

with twelve segments

Set number: 816

  • Biantholithus sparsus 21654 1
  • Biantholithus sparsus 21655 2
  • Biantholithus sparsus 21651 3
  • Biantholithus sparsus 21652 4
    10µm
Biantholithus sparsus, Middle Paleocene, DSDP Leg 74, Site 525A, Walvis Ridge, Angola Basin, Southern Atlantic

with ten segments

Final Epithet
Biantholithus sparsus Bramlette & Martini, 1964
Basionym

Biantholithus sparsus Bramlette & Martini, 1964

Description

Species of Biantholithus Bramlette & Martini (1964) having six to twelve segments that are in contact along their entire length.

Remarks

Biantholithus sparsus differs from Biantholithus astralis Steinmetz & Stradner (1984) and Biantholithus hughesii Varol (1989) by having six to twelve segments in contact throughout their entire length.

References

Bramlette, M. N. & Martini, E., (1964): The great change in calcareous nannoplankton fossils between the Maastrichtian and Danian. - Micropaleontology. 10(2): 291-322.

Steinmetz, J. C. & Stradner, H., (1984): Cenozoic calcareous nannofossils from Deep Sea Drilling Project Leg 75, Southeast Atlantic Ocean. - Initial Reports of the Deep Sea Drilling Project. 75: 671-753.

Varol, O., (1989): Palaeocene calcareous nannofossil biostratigraphy. In, Crux, J. A. & van Heck, S. E. (eds) Nannofossils and their applications: Proceedings of the 2nd INA Conference, London 1987. - British Micropalaeontological Society Publication Series. 265-310.