1. Bairdiacypris deloi Bradfield (1935).

Plate 7, figs. 8a and 8b of Bradfield: type species of genus, Holotype; Locality 13 of Bradfield, Ardmore, Ardmore Basin, Oklahoma, USA; Hoxbar Formation, Pennsylvanian, Upper Carboniferous. Fig. 8a: carapace right lateral view; 8b: carapace dorsal view. Dimensions: (text, p. 93) L = 1.32, H = 0.54, W = 0.45; (figure caption, p. 160, magnification factor x27) L = 1.26, H = 0.52, W = 0.41. 2. Fabalicypris wileyensis Cooper (1946). Plate 6, figs. 4–8 of Cooper: type species of genus, Holotype; Locality 13 of Cooper, Illinois, USA; Wiley “zone”, Cherokee Group, Pennsylvanian, Upper Carboniferous. Fig. 4: carapace posterior view; 5: carapace dorsal view; 6: carapace right lateral view; 7: carapace ventral view; 8: carapace anterior view. Dimensions: (text, p. 61) L = 1.02, H = 0.53, W = 0.42; (figure caption, p. 138, magnification factor x30) L = 1.06, H = 0.53, W = 0.42. 3. Fabalicypris warthini (Bradfield, 1935). Plate 5, figs. 11a and 11b of Bradfield: presumed Holotype; original x 27 slightly enlarged here; Locality 98 of Bradfield, Deese, Ardmore Basin, Oklahoma, USA; Deese Formation, Pennsylvanian, Upper Carboniferous. Fig. 11a: carapace right lateral view; 11b: carapace dorsal view. Dimensions (text, p. 83) L = 1.07, H = 0.41, W = 0.34; (figure caption, p. 156, magnification factor x27) L = 1.04, H = 0.41, W = 0.33. Abbreviations: L = length, H = height, W = width. Dimensions in mm.