Amphissites carinatus Cooper, 1946 † (original description)
Amphissites congruens Cooper, 1946 † (original description)
Amphissites parvus Cooper, 1946 † (original description)
Amphissites robustus Cooper, 1946 † (original description)
Amphissites robustus robustus Cooper, 1946 † (original description)
Bairdia acuminata Cooper, 1946 † (original description)
Bairdia concava Cooper, 1946 † (original description)
Bairdia crassimarginata Cooper, 1946 † (original description)
Bairdia demissa Cooper, 1946 † (original description)
Bairdia dissimilis Cooper, 1946 † (original description)
Bairdia harltoni Cooper, 1946 † (original description)
Bairdia monstrabilis Cooper, 1946 † (original description)
Bairdia spinosa Cooper, 1946 † (original description)
Bairdiacypris acuminata Cooper, 1946 † (original description)
Bairdiacypris ardua Cooper, 1946 † (original description)
Bairdiacypris haydenbranchensis (Payne, 1937) Cooper, 1946 † (new combination reference)
Bairdiacypris nebraskensis (Upson, 1933) Cooper, 1946 † (new combination reference)
Bairdiacypris trojana (Wilson, 1933) Cooper, 1946 † (new combination reference)
Basslerella acuminata Cooper, 1946 † (original description)
Basslerella lacrimosa Cooper, 1946 † (original description)
Basslerella ovata Cooper, 1946 † (original description)
Basslerella parallela Cooper, 1946 † (original description)
Basslerella rostrata (Knight, 1928) Cooper, 1946 † (new combination reference)
Bythocypris quadrata Cooper, 1946 † (original description)
Cavellina cavellinoides (Bradfield, 1935) Cooper, 1946 † (new combination reference)
Cavellina daubeana (Bradfield, 1935) Cooper, 1946 † (new combination reference)
Cavellina footei (Coryell & Booth, 1933) Cooper, 1946 † (new combination reference)
Cavellina laevis (Bradfield, 1935) Cooper, 1946 † (new combination reference)
Cavellina lirata (Bradfield, 1935) Cooper, 1946 † (new combination reference)
Cavellina ovoidiformis (Harlton, 1928) Cooper, 1946 † (new combination reference)
Cavellina symmetrica (Payne, 1937) Cooper, 1946 † (new combination reference)
Cavellina tongia (Coryell & Sample, 1932) Cooper, 1946 † (new combination reference)
Coryellites elongata Cooper, 1946 † (original description)
Coryellites ovata Cooper, 1946 † (original description)
Coryellites palopintoensis (Coryell & Sample, 1932) Cooper, 1946 † (new combination reference)
Coryellites simillima (Bradfield, 1935) Cooper, 1946 † (new combination reference)
Coryellites subelliptica (Upson, 1933) † (new combination reference)
Coryellites tomlinsonella Cooper, 1946 † (original description)
Cyathus striatus Cooper, 1946 † (original description)
Discoidella lingulata Cooper, 1946 † (original description)
Ectodemites edsonae (Bradfield, 1935) Cooper, 1946 † (new combination reference)
Ectodemites pinguis (Ulrich & Bassler, 1906) Costanzo & Kae, 1987 † (new combination reference)
Ellipsella bradfieldi Cooper, 1946 † (original description)
Fabalicypris Cooper, 1946 † (original description)
Fabalicypris acuminata Cooper, 1946 † (original description)
Fabalicypris dispar Cooper, 1946 † (original description)
Fabalicypris minuta Cooper, 1946 † (original description)
Fabalicypris plana Cooper, 1946 † (original description)
Fabalicypris regularis Cooper, 1946 † (original description)
Fabalicypris tenuis Cooper, 1946 † (original description)
Fabalicypris wetumkaensis Cooper, 1946 † (original description)
Geisina gallowayi (Bradfield, 1935) Cooper, 1946 † (new combination reference)
Geisina jolliffina Cooper, 1946 † (original description)
Geisina warthini Cooper, 1946 † (original description)
Glyptopleurina bolliaformis (Ulrich & Bassler, 1906) Ershova, 1969 † (new combination reference)
Hastifaba Cooper, 1946 † (original description)
Hastifaba pervulgata Cooper, 1946 † (original description)
Hastifaba robusta Cooper, 1946 † (original description)
Hastifaba spinosa Cooper, 1946 † (original description)
Healdia asper Cooper, 1946 † (original description)
Healdia aspinosa Cooper, 1946 † (original description)
Healdia bicornis Cooper, 1946 † (original description)
Healdia carinata Cooper, 1946 † (original description)
Healdia fabalis Cooper, 1946 † (original description)
Healdia granosa Cooper, 1946 † (original description)
Healdia longula Cooper, 1946 † (original description)
Healdia longula longula Cooper, 1946 † (original description)
Healdia rectis Cooper, 1946 † (original description)
Healdia spinosa Cooper, 1946 † (original description)
Healdia usitata Cooper, 1946 † (original description)
Healdiacypris acuminata Cooper, 1946 † (original description)
Jonesina bolliaformis (Ulrich & Bassler, 1906) Ulrich & Bassler, 1908 † (new combination reference)
Jonesina bolliaformis bolliaformis (Ulrich & Bassler, 1906) Ulrich & Bassler, 1908 † (new combination reference)
Jonesina bolliaformis tumida (Ulrich & Bassler, 1906) Ulrich & Bassler, 1908 † (new combination reference)
Jonesina elongata Cooper, 1946 † (original description)
Kloedenella carbonica Cooper, 1946 † (original description)
Lochriella elongata Cooper, 1946 † (original description)
Macrocypris bicurvata Cooper, 1946 † (original description)
Macrocypris lenticularis Cooper, 1946 † (original description)
Macrocypris teretis Cooper, 1946 † (original description)
Microcheilinella minuta Cooper, 1946 † (original description)
Microcheilinella quadrata Cooper, 1946 † (original description)
Monoceratina bradfieldi Cooper, 1946 † (original description)
Moorites elongatus (Jones & Kirkby, 1886) Cooper, 1946 † (new combination reference)
Moorites indentus Cooper, 1946 † (original description)
Moorites knighti (Wilson, 1933) Cooper, 1946 † (new combination reference)
Moorites punctus (Wilson, 1933) Cooper, 1946 † (new combination reference)
Moorites spiciferus (Wilson, 1933) Cooper, 1946 † (new combination reference)
Moorites wapanuckensis (Harlton, 1933) Cooper, 1946 † (new combination reference)
Orthobairdia insolens (Cooper, 1946) † (original description)
Paraparchitella Cooper, 1946 † (original description)
Paraparchitella ovata Cooper, 1946 † (original description)
Pseudobythocypris elongata (Cooper, 1946) Shaver, 1958 † (original description)
Pseudomonoceratina bradfieldi (Cooper, 1946) Gruendel & Kozur, 1972 † (original description)
Pustulobairdia spinosa (Cooper, 1946) † (original description)
Sansabella bolliaformis (Ulrich & Bassler, 1906) Cooper, 1946 † (new combination reference)
Sansabella brevis Cooper, 1946 † (original description)
Sansabella carbonaria Cooper, 1946 † (original description)
Sansabella exilis Cooper, 1946 † (original description)
Sansabella ovalis Cooper, 1946 † (original description)