Acosmia
| Acosmia Temporal range: | |
|---|---|
| Fossil specimen | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Superphylum: | Ecdysozoa |
| Genus: | †Acosmia Chen & Zhoi 1997 |
| Species: | †A. maotiania |
| Binomial name | |
| †Acosmia maotiania Chen & Zhoi 1997 | |
Acosmia is an extinct genus of marine worm from the Cambrian aged Chengjiang biota of Yunnan, China. It is represented by a single rare species, Acosmia maotiania. It was likely a burrowing animal that fed by deposit feeding. While originally suggested to be a priapulid (penis worm), a 2020 study proposed to be a stem-group ecdysozoan, due to lacking the radial pharygneal armature that characterises modern ecdysozoans, including priapulids.
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