Table T5. Cretaceous species at Double Trouble site. (See table notes.)
| Depth (ft): | 839 | 839.4 | 839.65 | 840 | 840.35* | 840.65* | 840 | 841 | 851 | 856 |
|---|---|---|---|---|---|---|---|---|---|---|
| Biozone: | Cretaceous | |||||||||
| Globotruncana aegpytiaca | x | x | ||||||||
| Globigerinelloides alvarezi | x | x | x | x | x | x | x | |||
| Globigerinelloides messinae | x | x | x | x | ||||||
| Globigerinelloides prairiehillensis | x | x | ||||||||
| Globigerinelloides spp. | x | x | x | x | x | x | x | x | ||
| Globotruncana arca | x | x | ||||||||
| Globotruncana sp. | x | x | ||||||||
| Globotruncanella minuta | x | x | x | x | ||||||
| Globotruncanella petaloidea | x | |||||||||
| Globotruncanella sp. | x | |||||||||
| Globotruncanita angulata | x | |||||||||
| Globotruncanita pettersi | x | x | ||||||||
| Globotruncanita stuarti | ||||||||||
| Globotruncanita stuartiformis | x | |||||||||
| Globotruncanita sp. | x | |||||||||
| Guembelitria cretacea | x | x | x | x | x | x | x | |||
| Hedbergella holmdelensis | x | x | ||||||||
| Hedbergella monmouthensis | x | x | x | x | ||||||
| Heterohelix globulosa | x | x | x | x | x | x | x | x | x | |
| Heterohelix labellosa | x | x | x | x | ||||||
| Heterohelix navarroensis | x | x | x | x | ||||||
| Heterohelix planata | x | x | ||||||||
| Heterohelix punctulata | x | x | ||||||||
| Heterohelix sp. | x | |||||||||
| Laeviheterohelix dentata | x | x | x | x | x | |||||
| Laeviheterohelix glabrans | x | x | ||||||||
| Pseudoguembelina sp. | x | |||||||||
| Pseudotextularia elegans | x | x | x | x | x | |||||
| Pseudotextularia nuttalli | x | x | x | x | x | |||||
| Pseudotextularia sp. | x | x | ||||||||
| Racemiguembelina sp. | x | |||||||||
| Rugoglobigerina hexacamerata | x | x | x | x | ||||||
| Rugoglobigerina macrocephala | x | x | x | x | ||||||
| Rugoglobigerina pennyi | ||||||||||
| Rugoglobigerina rugosa | x | x | x | x | x | x | x | x | ||
| Rugoglobigerina sp. | x | |||||||||
Notes: * = from the core catcher and below the drilled interval. x = present.