Fig. 1.Species of Osteocephalus:
Top. O. pearsoni, KU 136312, ♂;
Middle. O. buckleyi, KU 123172, ♂;
Bottom. O. verrucigerus, KU 123177, ♂. ×1.5.

Fig. 2.Species of Osteocephalus:
Top. O. leprieurii, KU 126611, ♀;
Bottom. O. taurinus, KU 126648, ♂. ×10.