Table 2: ODP Hole 953C calcareous plankton bioevents. The asterisk indicates that the bioevents occur within the hiatus, which is an age span about 6.436 to 6.252 Ma.

Bioevents Samples mbsf Chron Age (Ma) 10 Amaurolithus bizzarus First Occurrence 14R-2, 10–12 cm 304 C3n.4n 5.038 9 Triquetrorhabdulus rugosus Last Occurrence 15R-2, 63–65 cm 312.73 C3r 5.244 8 Neogloboquadrina acostaensis first influx sx 15R-2, 95–97 cm 314.55 C3r 5.297 7 Helicosphaera stalis ovata Last Occurrence 16R-3, 91–93 cm 325.78 C3r 5.681 6 Nicklithus amplificus Last Occurrence 17R-3, 42–44 cm 334.52 C3r 5.979 5 Globorotalia margaritae margaritae First Occurrence 17R-4, 51–53 cm 336.11 C3An 6.017 4 Globorotalia juanai Last occurrence 17R-5, 56–58 cm 337.66 C3An 6.058 3 Globorotalia miotumida Last Occurrence 18R-3, 75–77 cm 344.35 C3An * 2 Globorotalia miotumida Last Regular Occurrence 18R-3, 96.5–98.5 cm 344.57 C3An * 1 Neogloboquadrina acostaensis coiling change 18R-3, 96.5–98.5 cm 344.57 C3An *