Romancheinidae Jullien, 1888
Rhamphostomella alutacea Gontar, 1993
Rhamphostomella argentea (Hincks, 1881)
Rhamphostomella bassleri Rogick, 1956
Rhamphostomella bilaminata (Hincks, 1877)
Rhamphostomella cellata (O'Donoghue & O'Donoghue, 1926)
Rhamphostomella costata Lorenz, 1886
Rhamphostomella cristata Hincks, 1889
Rhamphostomella curvirostrata O'Donoghue & O'Donoghue, 1923
Rhamphostomella fortissima
Rhamphostomella gigantea Osburn, 1952
Rhamphostomella hincksi Nordgaard, 1906
Rhamphostomella magnirostris Canu & Bassler, 1928
Rhamphostomella ovata (Smitt, 1868)
Rhamphostomella peristomata Gontar, 1993
Rhamphostomella plicata (Smitt, 1868)
Rhamphostomella radiatula (Hincks, 1877)
Rhamphostomella rogickae (Brown, 1958)
Rhamphostomella scabra (O. Fabricius, 1780)
Rhamphostomella sollers Canu & Bassler, 1929
Rhamphostomella spinigera Lorenz, 1886
Rhamphostomella townsendi Osburn, 1952