Calyptrosphaeraceae
Calyptrolithus Kamptner, 1948
Zygosphaeraceae Black, 1971
Zygosphaeraceae Hay 1977
Traditionally all the holococcoliths are classified in this Family.
Black, M., (1971): The systematics of coccoliths in relation to the paleontological record. In, Funnell, B. M. & Riedel, W. R. (eds) - The Micropaleontology of the Oceans. Cambridge University Press, Cambridge 611-624.
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.
Hay, W. W., (1977): Calcareous nannofossils. In, Ramsay, A. T. S. (ed.) - Oceanic Micropalaentology. Academic Press, London 1055-1200.
Kamptner, E., (1948): Coccolithen aus dem Torton des Inneralpinen Wiener Beckens. - Anzeiger der Österreichische Akademie der Wissenschaften, Mathematische-Naturwissenschafliche Klasse, Wien. 157: 1-16.
