- Author:
- Helenes,J.;Somoza,D.
- Year:
- 1999
- Title:
- Palynology and sequence stratigraphy of the Cretaceous of eastern Venezuela.
- Reference:
- Helenes,J. et al. (1999) Palynology and sequence stratigraphy of the Cretaceous of eastern Venezuela. Cretaceous Research Vol. 20 # 4 P. 447- 463
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Xenascus | Xenascus ceratioides | Venezuela | Early Campanian | Maestrichtian |
| Xenascus | Xenascus plotei | Venezuela | Barremian | Early Aptian |