BOWN, Paul R., & Tom DUNKLEY JONES 2012 Calcareous nannofossils from the Paleogene equatorial Pacific (IODP Expedition 320 Sites U1331-1334) J. Nannoplankton Res. 32(2): 3-51, 4 figs., 3 tables, 14 pls., 4 charts NOT SEEN; 11 n.spp., 2 n.c.