1 Middle Miocene, Malta; size: 7.0µm
2 Middle Miocene, Balyatagi, Antakya, Hatay, Turkey; size: 5.7µm
3 Late Miocene, Adana Basin, Turkey; size: 6.9µm
Polycladolithus operosus Deflandre in Deflandre & Fert, 1954
Bybell, L., (1975): Middle Eocene calcareous nannofossils at Little Stave Creek, Alabama. - Tulane Studies in Geology and Paleontology. 11(4): 177-247.
Deflandre, G. & Fert, C., (1954): Observations sur les coccolithophoridés actuels et fossiles en microscopie ordinaire et électronique. - Annales de Paléontologie. 40: 115-176.
Polycladolithus operosus
Deflandre in Deflandre & Fert, 1954