- Author:
- Gradstein,F.M.;Huang,Z.;Kristiansen,I.L.;Ogg,J.G.
- Year:
- 1993
- Title:
- Optimum microfossil sequences and cyclic sediment patterns in Early Cretaceous pelagic strata.
- Reference:
- Gradstein,F.M. et al. (1993) Optimum microfossil sequences and cyclic sediment patterns in Early Cretaceous pelagic strata. Canadian Journal of Earth Sciences Vol. 30 # 2 P. 391- 411
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Spinidinium | Spinidinium echinoideum | Nd | Early Cretaceous | |
| Spinidinium | Spinidinium vestitum | Nd | Early Cretaceous | |
| Subtilisphaera | Subtilisphaera perlucida | Nd | Early Cretaceous | |
| Trochammia | Trochammia quinquelobe | Nd | Early Cretaceous |