Bolli, 1978a
From dinoflaj3
Bolli, H.M., 1978a: Cretaceous and Paleogene Calcisphaerulidae from D.S.D.P. Leg 40, southeastern Atlantic. In: Bolli, H.M. et al., Deep Sea Drilling Project, Washington, Initial Reports, v.40, p.819-838, pl.1-7.