|
Datum event (LO or FO)
|
Zone
(base)
|
Age
(Ma)
|
Reference
|
|---|---|---|---|
| LO Abathomphalus mayaroensis |
|
65.0 | 1 |
| FO Abathomphalus mayaroensis | A. mayaroensis (KS31) | 68.6 | 2, 3 |
| FO Racemiguembelina fructicosa | R. fructicosa–C. contusa | 69.6 | 3 |
| FO Contusotruncana contusa | R. fructicosa–C. contusa | 69.6 | 3 |
| FO Gansserina gansseri | G. gansseri (KS30) | 72.8 | 2, 4, 5 |
| FO Globotruncana aegyptiaca | G. aegyptiaca (KS29) | 73.8 | 2, 4, 5 |
| LO Radotruncana calcarata | G. havanensis (KS28) | 75.2 | 2, 4, 5 |
| FO Radotruncana calcarata | R. calcarata (KS27) | 75.7 | 2, 4, 5 |
| FO Globotruncana ventricosa | G. ventricosa (KS26) | 79.5 | 2, 4, 5 |
| LO Dicarinella asymetrica | G. elevata (KS25) | 83.0 | 2, 4, 5 |
| FO Globotruncana elevata |
|
84.8 | 5 |
| FO Dicarinella asymetrica | D. asymetrica (KS24) | 85.4 | 2, 4, 5 |
| FO Large heterohelicids |
|
85.8 | 3 |
| FO Contusotruncana fornicata |
|
88.0 | 3 |
| FO Dicarinella concavata | D. concavata (KS23) | 89.5 | 2, 4, 5 |
| LO Helvetoglobotruncana helvetica | M. sigali (KS22) | 90.7 | 2, 4, 6 |
| FO Marginotruncana spp. (M. renzi) |
|
92.5 | 3 |
| FO Helvetoglobotruncana helvetica | H. helvetica (KS21) | 93.0 | 2, 4, 6 |
| LO Rotalipora cushmani | W. archaeocretacea (KS20) | 94.0 | 2, 4, 6 |
| FO Dicarinella algeriana |
|
95.4 | 3 |
| FO Whiteinella spp. (W. baltica) |
|
95.4 | 3 |
| FO Rotalipora cushmani | R. cushmani (KS19) | 96.6 | 2, 4, 6 |
| FO Rotalipora reicheli | R. reicheli (KS18) | 96.8 | 2, 4, 6 |
| FO Rotalipora globotruncanoides | R. globotruncanoides (KS17) | 99.1 | 2, 4, 6 |
| FO Planomalina buxtorfi |
|
100.2 | 7 |
| FO Rotalipora appenninica | R. appenninica (KS16) | 100.4 | 2, 4, 6 |
| FO Rotalipora ticinensis | R. ticinensis (KS15) | 101.7 | 2, 4, 6 |
| FO Heterohelix spp. (H. moremani) |
|
102.0 | 3, 7 |
| FO Rotalipora subticinensis |
|
102.4 | 2, 4, 6 |
| FO Biticinella breggiensis | B. breggiensis (KS14) | 105.0 | 2. 4. 6 |
| FO Ticinella primula | T. primula (KS13) | 109.5 | 2, 4, 6 |
| LO Ticinella bejaouaensis | H. planispira (KS12) | 112.4 | 2, 4, 6, 7 |
| LO Planomalina cheniourensis |
|
112.6 | 2, 4, 6, 7 |
| FO Ticinella bejaouaensis | T. bejaouaensis (KS11) | 114.3 | 2, 4, 6, 7 |
| LO Globigerinelloides algerianus | H. trocoidea (KS10) | 115.2 | 2, 4, 6 |
| FO Globigerinelloides algerianus | G. algerianus (KS9) | 117.1 | 2, 4, 6 |
| LO Leupoldina cabri | G. ferreolensis (KS8) | 118.2 | 2, 4, 6 |
| FO Leupoldina cabri | L. cabri (KS7) | 120.5 | 2, 4, 6 |
| FO Globigerinelloides blowi | G. blowi (KS6) | 124.0 | 3 |
| FO Leupoldina pustulans |
|
124.9 | 3 |
| FO Clavihedbergellids |
|
124.9 | 3 |
| FO Hedbergella similis | H. similis–H. kuznetsovae | 125.1 | 3 |
| FO Globigerinelloides spp. |
|
131.9 | 3 |
| FO Hedbergella sigali |
|
134.9 | 3 |
| FO Hedbergella aptica |
|
134.9 | 3 |
Notes: LO = last occurrence, FO = first occurrence. Reference: 1 = Berggren et al. (1995b), 2 = Sliter (1989), 3 = Premoli Silva and Sliter (1999), 4 = Caron (1985), 5 = Erba et al. (1995), 6 = Bralower et al. (1997), 7 = Leckie (1984).