Rösler,W..; Lutze,G.F. and Pflaumann,U. (1979): Some Cretaceous planktonic foraminifers (Favusella) of DSDP Site 397 (eastern North Atlantic) . Initial Report of the Deep Sea Drilling Project Vol. 47 p. 273-277
Butt,A. (1979): Lower Cretaceous foraminiferal biostratigraphy, paleoecology and depositional environment at DDP Site 397, Leg 47A . Initial Reports of the Deep Sea Drilling Project Vol. 47(1) p. 251-271
Boudagher-Fadel,M.K.; Banner,F.T.; Whittaker,J.E. and Simmons,M.D. (1997): Early Evolutionary History of Planktonic Foraminifera. Vol. 1
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