Occurrences by Geologic Period
Temporal Range
Geographic Distribution
Classification Summary
By Phylum
| Porifera | 1,000 |
By Class
| Demospongiae | 376 |
| Stromatoporoidea | 355 |
| Hexactinellida | 96 |
| Calcarea | 60 |
| NO_CLASS_SPECIFIED | 24 |
| Heteractinida | 8 |
| Archaeocyatha | 2 |
By Environment
No data.