Mixtoscutella ovata (Smitt, 1868)
Oshurkovia littoralis (Hastings, 1944)
Posterula sarsi (Smitt, 1868) accepted as Posterula sarsii (Smitt, 1868)
Posterula sarsii (Smitt, 1868)
Rhamphostomella argentea (Hincks, 1881) accepted as Robertsonidra argentea (Hincks, 1881)
Rhamphostomella bilaminata (Hincks, 1877)
Rhamphostomella costata Lorenz, 1886
Rhamphostomella hincksi Nordgaard, 1906
Rhamphostomella ovata (Smitt, 1868) accepted as Mixtoscutella ovata (Smitt, 1868)
Rhamphostomella plicata (Smitt, 1868)
Rhamphostomella radiatula (Hincks, 1877)
Rhamphostomella scabra (O. Fabricius, 1824)
Rhamphostomella spinigera Lorenz, 1886
Umbonula littoralis Hastings, 1944 accepted as Oshurkovia littoralis (Hastings, 1944)
Umbonula ovicellata Hastings, 1944
Umbonula verrucosa (Esper, 1790) accepted as Umbonula ovicellata Hastings, 1944