Occurrences by Geologic Period
Temporal Range
Geographic Distribution
Classification Summary
By Phylum
| Arthropoda | 1,000 |
By Class
| Arachnida | 535 |
| NO_CLASS_SPECIFIED | 434 |
| Xiphosura | 31 |
By Environment
No data.
| Arthropoda | 1,000 |
| Arachnida | 535 |
| NO_CLASS_SPECIFIED | 434 |
| Xiphosura | 31 |
No data.