Bolli, 1974
From dinoflaj3
Bolli, H.M., 1974: Jurassic and Cretaceous Calcisphaerulidae from D.S.D.P. Leg 27, eastern Indian Ocean. In: Veevers, J.J. et al., Deep Sea Drilling Project, Washington, Initial Reports, v.27, p.843-907, pl.1-24.