Pachymenia is a genus of cavibelonian solenogaster, a kind of shell-less, worm-like, marine mollusk.MolluscaBase eds. (2021). MolluscaBase. Pachymenia Heath, 1911. Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=393276 on 2021-04-16
Species Pachymenia abyssorum Heath, 1911
References
External links Heath, H. 1911. Reports on the scientifics results of the expeditions to the tropical Pacific, XIV. The Solenogastres. Mem. Mus. Comp. Zool. Harvard Coll., 45(1): 1-182