Polygoniella
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| Polygoniella Temporal range: Middle Cambrian, | |
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| Reconstruction | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Porifera |
| Class: | Hexactinellida |
| Genus: | †Polygoniella Del Mouro et al., 2024 |
| Type species | |
| †Polygoniella turrelli Del Mouro et al., 2024 | |
Polygoniella is an extinct genus of stem-hexactinellid sponge.[1] It is known from the Middle Cambrian Marjum Formation of Utah, United States, and the type species is P. turrelli.[2]
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