| Helicolocellus Temporal range: Ediacaran
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|---|---|
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| Reconstruction of Helicolocellus cantori. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Porifera |
| Genus: | †Helicolocellus Wang et al., 2024 |
| Species: | †H. cantori
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| Binomial name | |
| †Helicolocellus cantori Wang et al., 2024
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Helicolocellus cantori is an extinct sponge from the late Ediacaran, found in the Dengying Formation of South China and possibly related to the Hexactinellida. If confirmed, H.cantori would be the oldest crown group sponge known as of 2025.[1]
- ^ Wang, Xiaopeng; Liu, Alexander G.; Chen, Zhe; Wu, Chengxi; Liu, Yarong; Wan, Bin; Pang, Ke; Zhou, Chuanming; Yuan, Xunlai; Xiao, Shuhai (2024). "A late-Ediacaran crown-group sponge animal". Nature. 630 (8018): 905–911. Bibcode:2024Natur.630..905W. doi:10.1038/s41586-024-07520-y. PMID 38839967.