Rögl, 1976
From dinoflaj3
Rögl, F., 1976: Danian Calcisphaerulidae of D.S.D.P. Leg 35, Site 323, south-east Pacific Ocean. In: Hollister, C.D. et al., Deep Sea Drilling Project, Washington, Initial Reports, v.35, p.701-711, pl.1-4.