- Author:
- Felix,C.J.;Burbridge,P.P.
- Year:
- 1968
- Title:
- A study of stratigraphical and morphological development in the spore genus Spencerisporites.
- Reference:
- Felix,C.J. et al. (1968) A study of stratigraphical and morphological development in the spore genus Spencerisporites. American Journal of Botany Vol. 55 # 6 P. 723- 723
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Spencerisporites | Spencerisporites gracilis | Europe | Westphalian C | Stephanian A |
| Spencerisporites | Spencerisporites gracilis | North America | Westphalian C | Stephanian A |
| Spencerisporites | Spencerisporites radiatus | Europe | Visean | Westphalian B |
| Spencerisporites | Spencerisporites radiatus | North America | Visean | Westphalian B |