- Author:
- Siegel,S.M.;Siegel,B.Z.
- Year:
- 1968
- Title:
- A living organism morphologically comparable to the Pre-Cambrian genus Kakabekia.
- Reference:
- Siegel,S.M. et al. (1968) A living organism morphologically comparable to the Pre-Cambrian genus Kakabekia. American Journal of Botany Vol. 55 # 6 P. 684- 687
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Kakabekia | Kakabekia barghoorniana | Wales | Recent | |
| Kakabekia | Kakabekia umbellata | Canada(Ontario) | Precambriam |