Anocelis Stimpson, 1857 (original description)
Bipalium Stimpson, 1857 (original description)
Callioplana Stimpson, 1857 (original description)
Callirhinus Girard, 1857 (original description)
Calyptraphorus Conrad, 1857 † (original description)
Cantoria Girard, 1857 (original description)
Cephalonema Stimpson, 1857 (original description)
Chiropsis Girard, 1858 accepted as Hexagrammos Tilesius, 1810 (original description)
Corbulamella Meek & Hayden, 1857 † (original description)
Cosmocephala Stimpson, 1857 accepted as Amphiporus Ehrenberg, 1831 (original description)
Cotylaspis Leidy, 1857 (original description)
Cryptocoelum Stimpson, 1857 accepted as Typhlolepta Örsted, 1843 (original description)
Cyclodina Girard, 1857 (original description)
Dicelis Stimpson, 1857 (original description)
Dichilus Stimpson, 1857 (original description)
Diplomma Stimpson, 1857 (original description)
Diplonchus Stimpson, 1857 (original description)
Diplopleura Stimpson, 1857 (original description)
Doliophis Girard, 1857 (original description)
Emoa Girard, 1857 (original description)
Emplectonema Stimpson, 1857 (original description)
Eulaemus Girard, 1857 (original description)
Eurylepis Newberry, 1858 (original description)
Galeocephala Stimpson, 1857 (original description)
Gonidea Conrad, 1857 (original description)
Hadrodus Leidy, 1857 † (original description)
Hombronia Girard, 1857 (original description)
Hormonotus Hallowell, 1857 (original description)
Lissophis Hallowell, 1857 (original description)
Lygosomella Girard, 1857 (original description)
Mekolepis Newberry, 1858 (original description)
Micropisa Stimpson, 1858 (original description)
Mytilopsis Conrad, 1857 (original description)
Nautiloplana Stimpson, 1857 (original description)
Oligocelis Stimpson, 1857 (original description)
Oligosoma Girard, 1857 (original description)
Oreodeira Girard, 1857 (original description)
Ortholaemus Girard, 1857 (original description)
Pachyplana Stimpson, 1857 accepted as Discocelis Ehrenberg, 1836 (original description)
Phasganodus Leidy, 1858 (original description)
Planeolis Stimpson, 1857 (original description)
Polina Stimpson, 1857 (original description)
Procotyla Leidy, 1857 (original description)
Pseudobuccinum Meek & Hayden, 1857 † (original description)
Rhytidodeira Girard, 1857 (original description)
Sabrina Girard, 1857 (original description)
Saccodeira Girard, 1857 (original description)
Sphenorhina Hallowell, 1857 (original description)
Stylochoplana Stimpson, 1857 (original description)
Stylochopsis Stimpson, 1857 (original description)
Taeniosoma Stimpson, 1857 (original description)
Tatsnoskia Stimpson, 1857 (original description)
Thrasops Hallowell, 1857 (original description)
Toxicodryas Hallowell, 1857 (original description)
Trachyplana Stimpson, 1857 (original description)
Turseodus Leidy, 1857 † (original description)
Typhlocolax Stimpson, 1857 accepted as Typhlolepta Örsted, 1843 (original description)