Occurrences by Geologic Period
Temporal Range
Geographic Distribution
Classification Summary
By Phylum
| Chordata | 1,000 |
By Class
| Mammalia | 636 |
| Reptilia | 271 |
| Ornithischia | 32 |
| Aves | 30 |
| Saurischia | 17 |
| Osteichthyes | 14 |
By Environment
No data.
| Chordata | 1,000 |
| Mammalia | 636 |
| Reptilia | 271 |
| Ornithischia | 32 |
| Aves | 30 |
| Saurischia | 17 |
| Osteichthyes | 14 |
No data.