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.