Discolithus oamaruensis Deflandre in Deflandre & Fert, 1954
Reticulofenestra oamaruensis (Deflandre in Deflandre & Fert, 1954) Stradner in Haq, 1968
Length: 13.8µm
Very large [>13.0µm], elliptical species of Cribrocentrum Perch-Nielsen 1971c having a central area with prominent non-porous birefringent mesh. The width of the central area is at least twice greater than the width of the pelaga.
Deflandre, G. & Fert, C. 1954. Observations on current and fossil coccolithophorids in ordinary and electron microscopy. Annales de Paléontologie 40: 115-176.
Haq, B. U., 1968. Studies on upper Eocene calcareous nannoplankton from NW Germany. Stockholm Contributions in Geology 18, 13-74.
Discolithus oamaruensis
Deflandre in Deflandre & Fert, 1954
Oligocene
Oamaru Diatomite, New Zelland