Coccolithus tenuis Kaptner, 1937b
Ellipsodiscoaster Boudreaux & Hay, 1969
Boudreaux, J. E., Hay, W. W., 1969. Calcareous nannoplankton and biostratigraphy of the late Pliocene-Pleistocene-Recent sediments in the Submarex cores. Revista Española de Micropaleontología 1(3), 249-292.
Kamptner, E., 1937b. Neue und bemerkenswerte Coccolithineen aus dem Mittelmeer. Archiv für Protistenkunde. 89, 279-316.
Markali, J., Paasche, E., 1955. On two species of Umbellosphaera, a new marine coccolithophorid genus. Nytt Magasin for Botanikk 4, 95-100.