n | Reference | source | date | set | rows |
---|---|---|---|---|---|
0 | Wiegand, G.E. 1984. Cretaceous Nannofossils from the Northwest African Margin, DSDP Leg 79. In Hinz, K., Winterer, E. L., et al., Init. Repts. DSDP, 79: Washington (U.S. Govt. Printing Office), 563-578. | prior to 2010 | 111 | 81 |