Onchnesoma
| Onchnesoma | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Annelida |
| Class: | Sipuncula |
| Order: | Golfingiida |
| Family: | Phascolionidae |
| Genus: | Onchnesoma Koren & Danielssen, 1875 |
| Species | |
|
4 (see text) | |
Onchnesoma is one of the two genera that constitute the family Phascolionidae of Phylum Sipuncula, described by Koren and Danielssen established in 1873 as the type species to Onchnesoma steenstrupii.