Species of the family Suctobelbidae (Acari : Oribatida) of Japan were arranged and recorded and a phylogenetic survey made of the genera of this family worldwide. In Japan, the family Suctobelbidae contains 59 species and three subspecies belonging to 10 genera. Of the species dealt with here, four genera, 41 species and one subspecies are newly described and six species are newly recorded from Japan. The phylogenetic relationships of the 20 worldwide genera were also constructed. From the distributional patterns of these genera, it is conjectured that the original habitat of suctobelbid mites was in the Northern Hemisphere (probably, North America or Europe) and the mites gradually expanded their distributional area to the Southern Hemisphere.
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