Chancelloria
| Chancelloria Temporal range: | |
|---|---|
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| Fossil Chancelloria pentacta displayed at the Paleontological Research Institution, NY | |
Scientific classification  | |
| Kingdom: | Animalia |
| Order: | †Chancelloriida |
| Family: | †Chancelloriidae |
| Genus: | †Chancelloria Walcott, 1920 |
| Species | |
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Chancelloria is a genus of early animals known from the Middle Cambrian Burgess Shale, the Comley limestone,[4] the Wheeler Shale,[2] the Bright Angel Shale[5] and elsewhere (such as Iran). It is named after Chancellor Peak. It was first described in 1920 by Charles Doolittle Walcott, who regarded them as one of the most primitive groups of sponges.[6] However, they are currently thought to be member of the group Chancelloriidae. 178 specimens of Chancelloria are known from the Greater Phyllopod bed, where they comprise 0.34% of the community.[7]
References
[edit]- ↑ Sdzuy, K. (1969). "Unter- and mittelkambrische Porifera. (Chancellorida und Hexactinellida)". Paläontologische Zeitschrift. 43 (3–4): 115–147. Bibcode:1969PalZ...43..115S. doi:10.1007/bf02987647. S2CID 128945059.
- 1 2 Rigby, J. Keith (1978). "Porifera of the Middle Cambrian Wheeler Shale, from the Wheeler Amphitheater, House Range, in Western Utah". Journal of Paleontology. 52 (6): 1325–1345. JSTOR 1303938.
- ↑ Hao Yun; Glenn A. Brock; Xingliang Zhang; Luoyang Li; Diego C. García-Bellido; John R. Paterson (2019). "A new chancelloriid from the Emu Bay Shale (Cambrian Stage 4) of South Australia". Journal of Systematic Palaeontology. 17 (13): 857–867. Bibcode:2019JSPal..17.1077Y. doi:10.1080/14772019.2018.1496952. S2CID 92098182.
- ↑ Reid, R. E. H. (2009). "Occurrence of Chancelloria Walcott in the Comley Limestone". Geological Magazine. 96 (3): 261–262. doi:10.1017/S0016756800060271.
- ↑ Elliott, D. K.; Martin, D. L. (1987). "Chancelloria, an enigmatic fossil from the Bright Angel Shale (Cambrian) of Grand Canyon, Arizona". Journal of the Arizona-Nevada Academy of Science. 21 (2): 67–72. JSTOR 40024887.
- ↑ Walcott, C. D. (1920). "Cambrian geology and paleontology IV:6—Middle Cambrian Spongiae". Smithsonian Miscellaneous Collections. 67: 261–364.
- ↑ Caron, Jean-Bernard; Jackson, Donald A. (October 2006). "Taphonomy of the Greater Phyllopod Bed community, Burgess Shale". PALAIOS. 21 (5): 451–65. Bibcode:2006Palai..21..451C. doi:10.2110/palo.2003.P05-070R. JSTOR 20173022. S2CID 53646959.
External links
[edit]- "Chancelloria eros". Burgess Shale Fossil Gallery. Virtual Museum of Canada. 2011. Archived from the original on 2020-11-12. Retrieved 2023-01-21.
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