Athyris M'Coy in Griffith, 1844 † (original description)
Bairdia M'Coy in Griffith, 1844 (original description)
Brachythyris M'Coy in Griffith, 1844 † (original description)
Cycloceras M'Coy in Griffith, 1844 † (original description)
Delthyridaea M'Coy in Griffith, 1844 † accepted as Trigonosemus König, 1825 † (original description)
Dirinus M'Coy in Griffith, 1844 † (original description)
Discites M'Coy in Griffith, 1844 † accepted as Discitoceras Hyatt, 1884 † (original description)
Dolabra M'Coy in Griffith, 1844 † (original description)
Euphemus M'Coy in Griffith, 1844 † accepted as Euphemites Warthin, 1930 † (original description)
Fusella M'Coy, 1844 † (original description)
Ichthyorachis M'Coy in Griffith, 1844 † (original description)
Leptagonia M'Coy in Griffith, 1844 † (original description)
Leptodomus M'Coy in Griffith, 1844 † (original description)
Loxoceras M'Coy in Griffith, 1844 † (original description)
Martinia M'Coy in Griffith, 1844 † (original description)
Orbiculites M'Coy in Griffith, 1844 † (original description)
Phillipsocrinus M'Coy in Griffith, 1844 † (original description)
Platyschisma M'Coy in Griffith, 1844 † (original description)
Reticularia M'Coy in Griffith, 1844 † (original description)
Sanguinolites M'Coy in Griffith, 1844 † (original description)
Sedgwickia M'Coy in Griffith, 1844 † (original description)
Seminula M'Coy in Griffith, 1844 † (original description)
Solenopsis M'Coy in Griffith, 1844 † accepted as Solenomorpha Cockerell, 1903 † (original description)
Temnocheilus M'Coy in Griffith, 1844 † (original description)
Trigonoceras M'Coy in Griffith, 1844 † (original description)
Trochella M'Coy in Griffith, 1844 † (original description)