FIGURE 3 in Bundles of Sperm: Structural Diversity in Scorpion Sperm Packages Illuminates Evolution of Insemination in an Ancient Lineage

FIGURE 3. Sperm packages of Caraboctonidae Kraepelin, 1905 (A, B), Superstitioniidae Stahnke, 1940 (C), Chactidae Pocock, 1893 (D–K), and Troglotayosicidae Lourenco, 1998 (L) imaged with scanning electron microscopy (A–C, E–G, K) or light microscopy (D, H–J, L). A. Caraboctonus keyserlingi Pocock, 1893: straight. B. Hadruroides lunatus (L. Koch, 1867): straight. C. Superstitionia donensis Stahnke, 1940: straight. D, E. Nullibrotheas allenii (Wood, 1863): ellipsoidal, double bent. F, G. Brotheas sp., Bartica District, Guyana: ellipsoidal, double bent. H. Broteochactas nitidus Pocock, 1893: double bent. I. Chactopsoides anduzei (González-Sponga, 1982): double bent. J. Chactas aequinoctialis (Karsch, 1879): ellipsoidal, spherical. K. Teuthraustes sp., Aguay Province, Ecuador: ellipsoidal. L. Troglotayosicus humiculum Botero-Trujillo and Francke, 2009: bent. Scale bars: 25 µm.