Key to species of Clinonana Osborn, 1938

1 Pronotum width 1.9 times to twice as broad as greatest visible width of mesonotum (Figs. 1 B, 3A)............. C. impensa

- Pronotum width 1.6 to 1.8 times as broad as greatest visible width of mesonotum (Figs. 1A, C, D, 4A, 6A).............. 2

2 Aedeagus in posterior view with basal processes neither extended to apex of shaft nor concealing distal processes (Figs. 6 G, H); style in lateral view with ventral concavity on median portion (Fig. 6 E, arrow)..................... C. rafaeli sp. nov.

- Aedeagus in posterior view with basal processes extended to apex of shaft and partially concealing distal processes (Figs. 4 G– J); style in lateral view without ventral concavity on median portion (Fig. 4 F, arrow)....................... C. mirabilis