- Author:
- Urban,J.B.
- Year:
- 1969
- Title:
- A study of the morphology of the spore genus Ancyrospora Richardson
- Reference:
- Urban,J.B. (1969) A study of the morphology of the spore genus Ancyrospora Richardson Review of Palaeobotany and Palynology Vol. 9 P. 103- 114
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Ancyrospora | Ancyrospora ancyrea | Iowa | Devonian | |
| Ancyrospora | Ancyrospora ancyrea | Missouri | Devonian | |
| Ancyrospora | Ancyrospora grandispinosa | Iowa | Devonian | |
| Ancyrospora | Ancyrospora grandispinosa | Missouri | Devonian | |
| Ancyrospora | Ancyrospora simplex | Iowa | Devonian | |
| Ancyrospora | Ancyrospora simplex | Missouri | Devonian |