kingdom: Animalia >
phylum: Arthropoda >
class: Arachnida >
order: Pseudoscorpiones de Geer, 1778 >
suborder: Heterosphyronida Chamberlin, 1929 >
superfamily: Chthonioidea Daday, 1888 >
family: Chthoniidae Daday, 1888 >
subfamily: Tridenchthoniinae Balzan, 1892 >
tribe: Verrucadithini Chamberlin, 1929 >
South America