Occurrences by Geologic Period
Temporal Range
Geographic Distribution
Classification Summary
By Phylum
| Chordata | 1,000 |
By Class
| Chondrichthyes | 237 |
| Osteichthyes | 224 |
| Reptilia | 217 |
| Mammalia | 198 |
| Actinopterygii | 40 |
| Amphibia | 37 |
| Ornithischia | 18 |
| Placodermi | 10 |
| Saurischia | 10 |
| Acanthodii | 4 |
| Aves | 4 |
By Environment
No data.