Set number: 1087

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

Syracosphaera bisecta Hay, Mohler & Wade, 1966


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

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

Dimensions Of Holotype

Length: 8.2µm


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


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.