Occurrences by Geologic Period
Temporal Range
Geographic Distribution
Classification Summary
By Phylum
| Peltaspermophyta | 1,000 |
By Class
| Peltaspermopsida | 588 |
| Arberiopsida | 317 |
| Dictyopteridiopsida | 76 |
| NO_CLASS_SPECIFIED | 19 |
By Environment
No data.
| Peltaspermophyta | 1,000 |
| Peltaspermopsida | 588 |
| Arberiopsida | 317 |
| Dictyopteridiopsida | 76 |
| NO_CLASS_SPECIFIED | 19 |
No data.