Hazeliidae
| Hazeliidae Temporal range:
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| A specimen of Hazelia at the Mount Stephen Trilobite Beds | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Porifera |
| Class: | Demospongiae |
| Order: | †Protomonaxonida |
| Family: | †Hazeliidae Walcott, 1920 |
| Genera | |
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Hazeliidae is an extinct family of spicular Cambrian sea sponges known from the Burgess Shale, the Marjum Formation of Utah,[3] and possibly Chengjiang.[1] It was described by Charles Walcott in 1920.
References[]
- ^ a b Botting, J. (2007). "'Cambrian' demosponges in the Ordovician of Morocco: Insights into the early evolutionary history of sponges". Geobios. 40 (6): 737–748. doi:10.1016/j.geobios.2007.02.006.
- ^ Rigby, J. K. (1986). "Sponges of the Burgess shale (Middle Cambrian), British Columbia". Palaeontographica Canadiana (2).
- ^ J. Keith Rigby; Lloyd F. Gunther; Freida Gunther (1997). "The First Occurrence of the Burgess Shale Demosponge Hazelia palmata Walcott, 1920, in the Cambrian of Utah". Journal of Paleontology. 71 (6): 994–997. JSTOR 1306598.
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Categories:
- Protomonaxonida
- Ordovician invertebrates
- Cambrian sponges
- Prehistoric sponge families
- Cambrian first appearances
- Middle Ordovician extinctions
- Cambrian animal stubs
- Ordovician animal stubs
- Demospongiae stubs