Acanthorhynchia Buckman, 1917 † (original description)
Calcirhynchia Buckman, 1917 † (original description)
Cardinirhynchia Buckman, 1917 † (original description)
Cererithyris Buckman, 1917 † (original description)
Charltonithyris Buckman, 1917 † (original description)
Cheniothyris Buckman, 1917 † (original description)
Costirhynchia Buckman, 1917 † (original description)
Curtirhynchia Buckman, 1917 † (original description)
Cymatorhynchia Buckman, 1917 † (original description)
Euidothyris Buckman, 1917 † (original description)
Kallirhynchia Buckman, 1917 † (original description)
Kutchirhynchia Buckman, 1917 † (original description)
Kutchithyris Buckman, 1917 † (original description)
Lineirhynchia Buckman, 1917 † accepted as Furcirhynchia Buckman, 1914 † (original description)
Linguithyris Buckman, 1917 † (original description)
Loboidothyris Buckman, 1917 † (original description)
Lobothyris Buckman, 1917 † (original description)
Lophrothyris Buckman, 1917 † (original description)
Maxillirhynchia Buckman, 1917 † (original description)
Prionorhynchia Buckman, 1917 † (original description)
Ptyctorhynchia Buckman, 1917 † (original description)
Ptyctothyris Buckman, 1917 † (original description)
Rhactorhynchia Buckman, 1917 † (original description)
Rhynchonelloidea Buckman, 1917 † (original description)
Rimirhynchia Buckman, 1917 † (original description)
Rudirhynchia Buckman, 1917 † (original description)
Russirhynchia Buckman, 1917 † (original description)
Tetrarhynchia Buckman, 1917 † (original description)