Discolithus solidus Deflandre in Deflandre & Fert, 1954
Deflandre, G. & Fert, C. 1954. Observations on current and fossil coccolithophorids in ordinary and electron microscopy. Annales de Paléontologie 40: 115-176.
Roth, P. H. 1970. Oligocene calcareous nannoplankton biostratigraphy. Eclogae Geologicae Helvetiae 63: 799-881.
Discolithus solidus
Deflandre in Deflandre & Fert, 1954
Middle Eocene
Donzacq, Landes, France