- Author:
- Karaszewski,W.
- Year:
- 1974
- Title:
- On the Hettangian-Sinemurian boundary in the Extra -Carpathian, Poland.
- Reference:
- Karaszewski,W. (1974) On the Hettangian-Sinemurian boundary in the Extra -Carpathian, Poland. Bulletin of the Polish Academy of Sciences Earth Science Vol. 22 # 1 P. 33- 36
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Aratrisporites | Aratrisporites minimus | Poland | Hettangian | |
| Nathorstisporites | Nathorstisporites hopliticus | Poland | Hettangian |