Table T1

Table T1 (continued).

Event	Age (Ma)	Reference	Martini (1971) base	Okada and Bukry (1980) base

LO T. orthostylus	50.60	10	NP13
FO D. lodoensis	52.85	10	NP12	CP10
Transition T. contortus-T. ortostylus	53.61-54.37	10	NP11	CP9b
Paleocene/Eocene	53.4

Notes: FO = first occurrence, LO = last occurrence, FCO = first common occurrence, LCO = last common occurrence, RE = reentrance. Zonal codes are those of Martini (1971) and Okada and Bukry (1980). References: 1 = Thierstein et al. (1977), 2 = Pujos (1988), 3 = Wei (1993), 4 = Raffi et al. (1993), 5 = Lourens et al. (1996), 6 = Tiedemann et al. (1994), 7 = Raffi and Flores (1995), 8 = Gartner (1990), 9 = Backman and Raffi (1997), 10 = Berggren et al. (1995b), 11 = Gartner (1992).