Figure 21.Orthalicus species A–D Orthalicus delphinus (Strebel, 1909) A–B, ii Holotype of Zebra delphinus intermedius Strebel, 1909 ZMB 21848 (H = 57.4) C–D, i Holotype of Zebra delphinus pumilio Strebel, 1909 ZMB 101834 (H = 39.3) E–F, iii Orthalicus zoniferus Strebel and Pfeffer, 1882, syntype of Zebra zoniferus euchrous Strebel, 1909 ZMB 28001 (H = 41.6) G–H, iv Orthalicus maculiferus (Strebel, 1909), holotype ZMB 34609 (H = 38.7).