| AGE | BOLLI, 1966 | BLOW, 1969 | Proposed In this study | ZONE | DEPTH (m) |
| LOWER PLIOCENE | Globorotalia margaritae | Globorotalia tumida tumida - Spaeroidinellopsis subdehiscens paenedehiscence | Globorotalia margaritae | N18 | 1816 |
| MESSINIAN | Globorotalia humerosa | Globorotalia tumida plesiotumida | Globorotalia merotumida | N17 | 2150 |
| TORTONIAN | Globorotalia acostaensis | Globorotalia acostaensis - Globorotalia merotumida | Globorotalia acostaensis | N16 | 2265 |
| Globorotalia menardii | Globorotalia continuosa | Globorotalia menardii | N15 | 2307 | |
| Globorotalia mayeri | Globigerina nepenthes - Globorotalia siakensis | Globigerina nepenthes | N14 | 2556 | |
| SERRAVALLIAN | Globigerinoides ruber | Globorotalia siakensis | Globorotalia siakensis | N13 | 2600 |
| Globorotalia foshi robusta | Globorotalia fohsi | Globorotalia fohsi | N12 | 2681 | |
| Globorotalia foshi lobata | Globorotalia praefohsi | Globorotalia praefohsi | N11 | 2720 | |
| LANGHIAN | Globorotalia fohsi fohsi | Globorotalia peripheroacuta | Globorotalia peripheroacuta | N10 | 2785 |
| Globorotalia fohsi peripheroronda | Orbulina surturalis - Globorotalia peripheroronda | Orbulina suturalis | N9 | 2860 | |
| Praeorbulina glomerosa | Praeorbulina glomerosa curva | Praeorbulina sicana | N8 | 2926 | |
| BURDIGALIAN | Globigerinoides altiaperturus | Praeorbulina glomerosa sicana | Catapsydrax dissimilis | N7 | 3195 |
| Catapsydrax stainforthi | Globigerinatella insueta/ Globigerinita dissimilis | Globigerinatella insueta | N6 | 3290 | |
| AQUITANIAN | Catapsydrax stainforthi | Globoquadrina dehiscens praedehiscens/ Globoquadrina dehiscens dehiscens | Paragloborotalia kugleri | N5 | 3324 |
| Globorotalis kugleri | Globigerinoides quadrilobatus primordius/Globorotalia kugleri | Globorotalis kugleri | N4 | 3400 |