- Author:
- Schabilion,J.T.;Brotzman,N.C.
- Year:
- 1979
- Title:
- A tetrahedral megaspore arrangement in a seed fern ovule of Pennsylvanian age.
- Reference:
- Schabilion,J.T. et al. (1979) A tetrahedral megaspore arrangement in a seed fern ovule of Pennsylvanian age. American Journal of Botany Vol. 66 # 6 P. 744- 745
- Google Academy:
- try to search by title in english
Genus | Species | Country(Region) | From | To |
---|---|---|---|---|
Conostoma | Conostoma anglo-germanicum | Iowa | Pennsylvanian |