Kingdom Animalia Linnaeus, 1758 - animals
Phylum Arthropoda Siebold, 1848 - arthropods
Subphylum Chelicerata Heymons, 1901
Class Arachnida Lamarck, 1801
Order Scorpiones Koch, 1837 - scorpions
Suborder †Branchioscorpionina Kjellesvig-Waering, 1986
Infraorder †Lobosternina Pocock, 1911
see Suborder Lobosternina Pocock, 1911
Superfamily †Isobuthoidea Petrunkevitch, 1913
Family †Eoscorpiidae Scudder, 1884