Stylommatophora
Incilaria Benson, 1842
Incillaria Adams, 1855
Megalimatium Agassiz, 1846
Megapallifera Fairbanks, 1990
Meghimatium Hasselt, 1823
Megimathium Binney, 1879
Mehimatium Gray, 1842
Pallifera E. S. Morse, 1864
Philomycus Rafinesque, 1820
Tebennophorus Binney, 1842
