Obturolithus bisectus

(Hay, Mohler & Wade, 1966) Varol, n. comb. Jul 14, 2021

Set number: 1087

  • Bisectus 1
    10µm
Obturolithus bisectus
Final Epithet
Obturolithus bisectus (Hay, Mohler & Wade, 1966) Varol, n. comb.
Basionym

Syracosphaera bisecta Hay, Mohler & Wade, 1966

Synonyms

Reticulofenestra bisecta (Hay, Mohler & Wade, 1966) Roth, 1970

Dictyococcites bisectus (Hay, Mohler & Wade, 1966) Bukry and Percival, 1971

Dimensions Of Holotype

Length: 8.2µm

Description

Medium size (8.0 - 10.0µm) species of Obturolithus.

References

Bukry, D., Percival, S. F., 1971. New Tertiary calcareous nannofossils. Tulane Studies in Geology and Paleontology 8, 123-146.

Gartner, S., 1971. Calcareous nannofossils from the JOIDES Blake Plateau cores and revision of the Paleogene nannofossil zonation. Tulane Studies in Geology and Paleontology 8, 101-121.

Hay, W. W., Mohler, H. P., Wade, M. E., 1966. Calcareous nannofossils from Nal'chik (northwest Caucasus). Eclogae Geologicae Helvetiae 59, 379-399.

Roth, P. H., 1970. Oligocene calcareous nannoplankton biostratigraphy. Eclogae Geologicae Helvetiae 63, 799-881.

Taxonomy
Obturolithus
Biostratigraphy
  • Phanerozoic
    • Cenozoic
      • Neogene
        • Miocene
          • Early Miocene
            • Burdigalian
      • Paleogene
        • Eocene
          • Middle Eocene
            • Lutetian
Stratigraphic Range
Lutetian - Burdigalian
Age (Ma)
48.07? - 18.50
Holotype
S bisecta

Syracosphaera bisecta Hay, Mohler and Wade, 1966

Late Eocene - Early Oligocene

Nal'chik, Northwest Caucasus