Oesia

Oesia disjuncta is a monospecific genus known from the Middle Cambrian Burgess Shale. 1147 specimens of Oesia are known from the Greater Phyllopod bed, where they comprise 2.18% of the community. Despite some similarities to the chaetognaths, its affinity is unknown, though recent data suggest it may be affiliated with hemichordates.


Oesia disjuncta is a monospecific genus known from the Middle Cambrian Burgess Shale. 1147 specimens of Oesia are known from the Greater Phyllopod bed, where they comprise 2.18% of the community. Despite some similarities to the chaetognaths, its affinity is unknown, though recent data suggest it may be affiliated with hemichordates.
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