Arctitreta Whitfield, 1908 † (original description)
Lasiodesmus Silvestri, 1908 (original description)
Lisconeura Rohwer, 1908 (original description)
Lithogryllites Cockerell, 1908 † (original description)
Mesatirhinus Osborn, 1908 † (original description)
Metaphiomys Osborn, 1908 † (original description)
Metarhinus Osborn, 1908 † (original description)
Nortonella Rohwer, 1908 † (original description)
Nymphalites Cockerell, 1908 † accepted as Nymphalites Scudder, 1889 † (original description)
Phenacolestes Cockerell, 1908 † (original description)
Phiomys Osborn, 1908 † (original description)
Pseudocimbex Rohwer, 1908 (original description)
Ptolemaia Osborn, 1908 † (original description)
Ptolemaïa Osborn, 1908 † accepted as Ptolemaia Osborn, 1908 † (original description)
Tetraceratops Matthew, 1908 † (original description)