Depth |
Biozone |
Ecozone
|
Formation
|
MMS
Strat Code
|
|
Age
|
11010 |
First sample. In Heterostegina sp. |
3
|
Anahuac
|
A2
|
|
Chattian
|
11100 |
Cibicides jeffersonensis |
|
Anahuac
|
A3
|
|
Chattian
|
11160 |
Bolivina perca |
|
Anahuac
|
A4
|
|
Chattian
|
11700 |
Marginulina idiomorpha |
|
Anahuac
|
A5
|
|
Chattian
|
11760 |
Marginulina vaginata |
|
Anahuac
|
A6
|
|
Chattian
|
12330 |
Textularia 14 |
|
|
|
|
Chattian
|
12720 |
Miogypsinoides A |
|
Frio
|
F3
|
|
Chattian
|
13870 |
Cibicides hazzardi |
|
Frio
|
F4
|
|
Chattian
|
14380 |
Cyclamina A |
|
|
|
|
Chattian
|
14860 |
Pseudo-Hackberry Fauna |
4
|
|
|
|
Chattian
|
15310 |
Marginulina texana |
|
Frio
|
F5
|
|
Chattian
|
16330 |
Hackberry Assemblage |
4
|
Hackberry
|
|
|
Chattian
|
16685 |
Sample total depth |
|
|
|
|
Chattian
|