Tetralithus copulatus Deflandre, 1959
Deflandre, G., (1959): Sur les nannofossiles calcaires et leur systématique. - Revue de Micropaleontologie, 2: 127-152.
Wise, S.W., (1983): Mesozoic and Cenozoic calcareous nannofossils recovered by DSDP Leg 71 in the Falkland Plateau region, Southwest Atlantic Ocean. - Initial Reports of the Deep Sea Drilling Project, 71: 481-550.