Order Scorpiones Koch, 1837 - scorpions
   Family †Centromachidae Petrunkevitch, 1953
     1 Genus †Anthracochaerilus Kjellesvig-Waering, 1986
     2 Genus †Centromachus Thorell & Lindström, 1885
     3 Genus †Opsieobuthus Kjellesvig-Waering, 1986
     4 Genus †Phoxiscorpio Kjellesvig-Waering, 1986
     5 Genus †Pulmonoscorpio Taylor, 2000, orth. inval. see Genus Pulmonoscorpius Jeram, 1994