[Scorpiones] Koch, 1837 - scorpions
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   Parvorder Buthida Soleglad & Fet, 2003
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     1 Superfamily Buthoidea Koch, 1837
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     2.1 Superfamily Chaeriloidea Pocock, 1893
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     2.2 Superfamily Pseudochactoidea Gromov, 1998
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