Hazeliidae
Hazeliidae is an extinct family of spicular Cambrian sea sponges known from the Burgess Shale, the Marjum Formation of Utah, and possibly Chengjiang. It was described by Charles Walcott in 1920.
| Hazeliidae Temporal range: | |
|---|---|
| A specimen of Hazelia at the Mount Stephen Trilobite Beds | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Porifera |
| Class: | Demospongiae |
| Order: | †Protomonaxonida |
| Family: | †Hazeliidae Walcott, 1920 |
| Genera | |
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