Tetralithus obscurus Deflandre, 1959
Phanulithus Wind & Wise in Wise & Wind 1977
Deflandre, G., (1959): Sur les nannofossiles calcaires et leur systématique. - Revue de Micropaléontologie. 2: 127-152.
Sissingh, W., (1977): Biostratigraphy of Cretaceous calcareous nannoplankton. - Geologie en Mijnbouw. 65(1): 37-65.
Wise, S. W. & Wind, F. H. (1977): Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 36 drilling on the Falkland Plateau, south-west Atlantic sector of the Southern Ocean. - Initial Reports of the Deep Sea Drilling Project. 36:269-491.