Opisthacanthus aequispinnus Kraepelin, 1911 [= Opisthacanthus diremptus (Karsch, 1879)], male syntype (A–C). Ischnurus asper Peters, 1861 [= Opisthacanthus asper (Peters, 1861)], female syntype (D–F): A, D dorsal aspect of habitus B, E ventral aspect of habitus C, F retrolateral aspect of chela illustrating dentate margins of fingers. Scale bars: 10 mm (A–B, D–E), 5 mm (C, F).

  Part of: Monod L, Duperre N, Harms D (2019) An annotated catalogue of the scorpion types (Arachnida, Scorpiones) held in the Zoological Museum Hamburg. Part I: Parvorder Iurida Soleglad & Fet, 2003. Evolutionary Systematics 3(2): 109-200. https://doi.org/10.3897/evolsyst.3.37464