Ferrer, Jorge (1975): Neritic early Eocene smaller foraminifera from the Koko Seamount, Emperor Seamounts, central Northern Pacific. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, Initial Reports of the Deep Sea Drilling Project, 32 (Hakodate, Japan to Honolulu, Hawaii, Aug.-Oct., 1973), 803-823, georefid:1976-009738