Oesia
| Oesia Temporal range: | |
|---|---|
| Reconstruction of Oesia living in organic tube Margaretia | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Hemichordata |
| Genus: | †Oesia Walcott, 1911 |
| Species: | †O. disjuncta |
| Binomial name | |
| †Oesia disjuncta Walcott, 1911 | |
Oesia disjuncta is a monospecific genus of hemichordate 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. It was previously compared to the chaetognaths, annelids and tunicates.