Uchidastygacaridae

Unidentified species of Uchidastygacarus, from Biodiversity Institute of Ontario Photography Group.

Belongs within: Acaromorpha.

The Uchidastygacaridae are a family of subterranean freshwater mites found in Asia and North America. They are flattened, with punctate dorsal and ventral shields, and have three pairs of genital acetabula with the third pair triangular and differing in shape from the anterior rounded pairs.

<==Uchidastygacaridae
    |--Morimotacarinae S86
    |    |--Morimotacarus Imamura 1962 S86
    |    |    `--M. wadayamensis Imamura 1962 S86
    |    |--Yachatsia Cook 1963 S86
    |    |    `--Y. mideopsoides Cook 1963 S86
    |    `--Austramideopsoides Cook 1983 [incl. Guineaxonopsis Imamura 1983] S86
    |         |--A. confusus Schwoerbel 1984 S86
    |         |--A. cooki (Imamura 1983) S86
    |         |--A. ramsai Cook 1983 S86
    |         `--A. serratipalpis Cook 1983 S86
    `--Uchidastygacarus Imamura 1956 [Uchidastygacarinae] S86
         |--U. (Uchidastygacarus) S86
         |    |--U. (U.) akitaensis Imamura 1956 S86
         |    |--U. (U.) akiyoshiensis Imamura 1959 S86
         |    |--U. (U.) imamurai Cook 1963 S86
         |    |--U. (U.) palmifer Imamura 1959 S86
         |    |--U. (U.) rotundus Imamura 1956 S86
         |    `--U. (U.) ryukyuensis Imamura 1961 S86
         `--U. (Imamurastygacarus Cook 1974) S86
              |--U. (I.) minutus Imamura 1956 S86
              `--U. (I.) ovalis Cook 1974 S86

*Type species of generic name indicated

REFERENCES

[S86] Schwoerbel, J. 1986. Acari: “Hydrachnellae”. In Stygofauna Mundi: A Faunistic, Distributional, and Ecological Synthesis of the World Fauna inhabiting Subterranean Waters (including the Marine Interstitial) (L. Botosaneanu, ed.) pp. 652-696. E. J. Brill / Dr. W. Backhuys: Leiden.