| Bosworthia Temporal range: | |
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| Genus: | †Bosworthia C.D.Walcott |
Bosworthia is a genus of branching photosynthetic alga known from the Middle Cambrian Burgess Shale. 20 specimens of Bosworthia are known from the Greater Phyllopod bed, where they comprise 0.04% of the community. [1] One of its two original species has since been reassigned to Walcottophycus . [2]