Argilloecia subelliptica Upson, 1933 † accepted as Coryellites subelliptica (Upson, 1933) † (original description)
Bairdia eissensis Upson, 1933 † (original description)
Bairdia florenaensis Upson, 1933 † accepted as  † (original description)
Bairdia garrisonensis Upson, 1933 † (original description)
Bairdia matfieldensis Upson, 1933 † (original description)
Bairdia nebraskensis Upson, 1933 † accepted as Bairdiacypris nebraskensis (Upson, 1933) Cooper, 1946 † (original description)
Bairdia tumida Upson, 1933 † (original description)
Bairdia wrefordensis Upson, 1933 † (original description)
Bythocypris johnsoni Upson, 1933 † accepted as  † (original description)
Bythocypris tumida Upson, 1933 † accepted as  † (original description)
Bythocypris tumidus Upson, 1933 † accepted as  † (original description)
Cavellina winfieldensis Upson, 1933 † (original description)
Coryellites johnsoni (Upson, 1933) Cooper, 1946 † accepted as  † (original description)
Healdia winfieldensis Upson, 1933 † (original description)
Jonesina garrisonensis Upson, 1933 † (original description)
Knoxina (Knoxina) nebraskensis Upson, 1933 † (original description)
Knoxina nebraskensis Upson, 1933 † (original description)
Macrocypris garrisonensis Upson, 1933 † (original description)
Triceratina Upson, 1933 † (original description)
Triceratina wrefordensis Upson, 1933 † accepted as Monoceratina wrefordensis (Upson, 1933) Bassler & Kellett, 1934 † (original description)