Order Scorpiones Koch, 1837 - scorpions
   Family Vaejovidae Thorell, 1876
     01 Genus Balsateres González-Santillán & Prendini, 2013
     02 Genus Catalinia Soleglad, Ayrey, Graham & Fet, 2017
     03 Genus Chihuahuanus González-Santillán & Prendini, 2013
     04 Genus Franckeus Soleglad & Fet, 2005
     05 Genus Gertschius Graham & Soleglad, 2007
     06 Genus Graemeloweus Soleglad, Fet, Graham & Ayrey, 2016
     07 Genus Kochius Soleglad & Fet, 2008
     08 Genus Konetontli González-Santillán & Prendini, 2013
     09 Genus Kovarikia Soleglad, Fet & Graham, 2014
     10 Genus Kuarapu Francke & Ponce-Saavedra, 2010
     11 Genus Maaykuyak González-Santillán & Prendini, 2013
     12 Genus Mesomexovis González-Santillán & Prendini, 2013
     13 Genus Paravaejovis Williams, 1980
     14 Genus Paruroctonus Werner, 1934
     15 Genus Pseudouroctonus Stahnke, 1974
     16 Genus Ruberhieronymus Rossi, 2018
     17 Genus Serradigitus Stahnke, 1974
     18 Genus Smeringurus Haradon, 1983
     19 Genus Stahnkeus Soleglad & Fet, 2006
     20 Genus Syntropis Kraepelin, 1900
     21 Genus Thorellius Soleglad & Fet, 2008
     22 Genus Uroctonites Williams & Savary, 1991
     23 Genus Uroctonus Thorell, 1876
     24 Genus Vaejovis Koch, 1836
     25 Genus Vejovoidus Stahnke, 1974
     26 Genus Vizcaino González-Santillán & Prendini, 2013
     27 Genus Wernerius Soleglad & Fet, 2008