Bairdia comanchensis Alexander, 1929 † (original description)
Bairdia parallela Alexander, 1929 † accepted as  † (original description)
Bairdia rotunda (Alexander, 1927) Alexander, 1929 † accepted as Bairdoppilata rotunda (Alexander, 1927) Howe & Laurencich, 1958 † (new combination reference)
Brachycythere (Brachycythere) acutocaudata (Alexander, 1929) † (original description)
Brachycythere (Brachycythere) taylorensis (Alexander, 1929) Hazel & Paulson, 1964 † represented as Brachycythere taylorensis (Alexander, 1929) Hazel & Paulson, 1964 † (original description)
Bythocypris goodlandensis Alexander, 1929 † (original description)
Cythere acutocaudata Alexander, 1929 † accepted as Acuminobrachycythere ledaforma (Israelsky, 1929) † (original description)
Cythere gapensis Alexander, 1929 † accepted as Fissocarinocythere gapensis (Alexander, 1929) Brouwess & Hazel, 1978 † (original description)
Cythere huntensis Alexander, 1929 † accepted as Fissocarinocythere huntensis (Alexander, 1929) Brouwess & Hazel, 1978 † (original description)
Cythere ovata (Berry, 1925) † accepted as Brachycythere ovata (Berry, 1925) † (new combination reference)
Cythere parallelopora Alexander, 1929 † accepted as  † (original description)
Cythere subconcentrica Alexander, 1929 † accepted as Opimocythere texana (Hazel & Paulson, 1964) † (original description)
Cythere taylorensis Alexander, 1929 † accepted as Brachycythere taylorensis (Alexander, 1929) Hazel & Paulson, 1964 † (original description)
Cythereis roanokensis Alexander, 1929 † (original description)
Cythereis rugosissima Alexander, 1929 † accepted as Ascetoleberis rugosissima (Alexander, 1929) Brouwess & Hazel, 1978 † (original description)
Cythereis sandidgei Alexander, 1929 † (original description)
Cythereis subovata Alexander, 1929 † (original description)
Cythereis wintoni Alexander, 1929 † accepted as  † (original description)
Cythereis worthensis Alexander, 1929 † (original description)
Cytherella (Cytherelloidea) Alexander, 1929 accepted as Cytherelloidea Alexander, 1929 (original description)
Cytherella ovoidea Alexander, 1929 † (original description)
Cytherella scotti Alexander, 1929 † (original description)
Cytherella tuberculifera Alexander, 1929 † (original description)
Cytherelloidea Alexander, 1929 (original description)
Cytherelloidea (Cytherelloidea) Alexander, 1929 (original description)
Cytherelloidea reticulata Alexander, 1929 † (original description)
Cytheridea oliverensis Alexander, 1929 † accepted as  † (original description)
Cytheridea plummeri Alexander, 1929 † accepted as Haplocytheridea plummeri (Alexander, 1929) Schmidt, 1948 † (original description)
Cytheridea washitaensis Alexander, 1929 † accepted as  † (original description)
Cytheropteron (Eocytheropteron) howelli (Alexander, 1929) Alexander, 1933 † accepted as  † (original description)
Cytheropteron (Eocytheropteron) tumidum (Alexander, 1929) Alexander, 1933 † accepted as  † (original description)
Cytheropteron (Loxoreticulatum) bilobatum (Alexander, 1929) Alexander, 1933 † accepted as  † (original description)
Cytheropteron bilobatum Alexander, 1929 † accepted as  † (original description)
Cytheropteron howelli Alexander, 1929 † accepted as  † (original description)
Cytheropteron navarroense Alexander, 1929 † (original description)
Cytheropteron rugosalatum Alexander, 1929 † (original description)
Cytheropteron tumidum Alexander, 1929 † accepted as  † (original description)
Haplocytheridea macropora (Alexander, 1929) Schmidt, 1948 † accepted as  † (original description)
Krithe cushmani Alexander, 1929 † (original description)
Macrosarisa graysonensis (Alexander, 1929) † (original description)
Neonesidea gracilis (Alexander, 1929) † (original description)
Paracypris pulchella Alexander, 1929 † (original description)
Pterygocythereis (Pterygocythere) gulfensis (Alexander, 1929) † (original description)
Repandocosta austinensis (Alexander, 1929) Hazel, 1967 † accepted as  † (original description)