Hamptonia is an extinct genus of sea sponge known from the Middle Cambrian Burgess Shale and the Lower Ordovician Fezouata formation.

[6] It was first described in 1920 by Charles Doolittle Walcott.

[7] 48 specimens of Hamptonia are known from the Greater Phyllopod bed, where they comprise < 0.1% of the community.

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