Rhizomolgula
Rhizomolgula is a genus of Ascidian Tunicates in the family Molgulidae.
Species within the genus Rhizomolgula include:Rhizomolgula globularis Rhizomolgula japonica Oka, 1926
Species names currently considered to be synonyms:Rhizomolgula arenaria Ritter, 1901: synonym of Rhizomolgula globularis Rhizomolgula gigantea Redikorzev, 1907: synonym of Rhizomolgula globularis Rhizomolgula intermedia Michaelsen, 1908: synonym of Rhizomolgula globularis Rhizomolgula ritteri Hartmeyer, 1903: synonym of Rhizomolgula globularis Rhizomolgula warpachovskii Redikorzev, 1908: synonym of ''Rhizomolgula globularis''