Umbilibalcis is a genus of very small ectoparasitic sea snails, marine gastropod mollusks or micromollusks in the Eulimidae family.Rosenberg, G.; Bouchet, P.; Gofas, S. (2014). Umbilibalcis Bouchet & Warén, 1986. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=137992 on 2014-12-29
Species Species within the genus Umbilibalcisinclude : Umbilibalcis crassula Bouchet & Warén, 1986 Umbilibalcis lata (Dall, 1889) Umbilibalcis subumbilicata (Jeffreys, 1884)
References
Bouchet P. & Warén A. (1986). Revision of the Northeast Atlantic bathyal and abyssal Aclididae, Eulimidae, Epitonidae (Mollusca, Gastropoda). Bollettino Malacologico Suppl. 2: 297-576