Mogula oculata Forbes, 1848 – synonym of Molgula oculata
Molgula ampulloides Lacaze-Duthiers, 1877 – synonym of Molgula manhattensis
Molgula arctica Kiaer, 1896 – synonym of Molgula citrina
Molgula arenosa Alder & Hancock, 1848 – synonym of Eugyra arenosa
Molgula citrina Alder & Hancock, 1848 – synonym of Molgula citrina
Molgula complanata Alder & Hancock, 1870 – synonym of Molgula complanata
Molgula echinosiphonica Lacaze-Duthiers, 1877 – synonym of Molgula citrina
Molgula eugyroides Kiaer, 1896 – synonym of Molgula complanata
Molgula inconspicua Alder & Hancock, 1907 – synonym of Molgula manhattensis
Molgula lutkeniana Traustedt, 1893 – synonym of Molgula manhattensis
Molgula macrosiphonata Kupffer, 1873 – synonym of Molgula manhattensis
Molgula nama Kupffer, 1873 – synonym of Molgula citrina
Molgula simplex Lacaze-Duthiers, 1877 – synonym of Molgula manhattensis
Molgula siphonata Alder & Hancock, 1907 – synonym of Molgula manhattensis
Molgula socialis Lacaze-Duthiers, 1877 – synonym of Molgula manhattensis
Molgula tenax Hartmeyer, 1903 – synonym of Molgula complanata
Molgula tubifera Ärnbäck, Christie & Linde, 1928 – synonym of Molgula manhattensis
Molgulina papillosa Hartmeyer, 1914 – synonym of Molgula complanata