Zuma is a genus of harvestman in the family Paranonychidae. There are at least two described species in Zuma, found in central and northern California.
Isolachus is a genus of armoured harvestmen in the family Cladonychiidae. There is one described species in Isolachus, I. spinosus, found in Oregon and Washington.
Paranonychus is a genus of harvestman in the family Paranonychidae. There are at least three described species in Paranonychus.
Erebomaster is a genus of armoured harvestmen in the family Travuniidae. There are at least three described species in Erebomaster.
Phalangodes is a genus of armoured harvestmen in the family Phalangodidae. There is at least one described species in Phalangodes, P. armata.
Undulus is a genus of armoured harvestmen in the family Phalangodidae. There is at least one described species in Undulus, U. formosus.
Speleonychia is a genus of armoured harvestmen in the family Cladonychiidae. There is at least one described species in Speleonychia, S. sengeri. It is found in Washington state.
Cryptomastridae is a family of armoured harvestmen in the order Opiliones. There are two genera and four described species in Cryptomastridae, found in Oregon and Idaho.
Arbasus is a genus of armoured harvestmen in the family Cladonychiidae. There is one described species in Arbasus, A. caecus. It is found in the Pyrenees of southern France.
Briggsus is a genus of armoured harvestmen in the family Cladonychiidae. There are about five described species in Briggsus, found in the coastal forests of Oregon and Washington.
Buemarinoa is a genus of armoured harvestmen in the family Cladonychiidae. There is one described species in Buemarinoa, B. patrizii, found in Sardinia, Italy.
Holoscotolemon is a genus of armoured harvestmen in the family Cladonychiidae. There are about eight described species in Holoscotolemon, found in Europe.
Izunonychus is a genus of harvestman in the family Paranonychidae. There is one described species in Izunonychus, I. ohruii, endemic to Japan.
Kainonychus is a genus of harvestman in the family Paranonychidae. There is one described species in Kainonychus, K. akamai, endemic to Japan.
Kaolinonychus is a genus of harvestman in the family Paranonychidae. There are about five described species in Kaolinonychus, endemic to South Korea and found primarily in caves.
Nippononychus is a genus of harvestman in the family Paranonychidae. There is one described species in Nippononychus, N. japonicus, endemic to Japan.
Speleomaster is a genus of armoured harvestmen in the family Cryptomastridae. There are at least two described species in Speleomaster, both found in lava tubes of the Snake River Plain in southern Idaho.
Trojanella is a genus of harvestman in the family Travuniidae. There is one described species in Trojanella, T. serbica. It has been found only in a single cave on Stara Planina Mountain in Serbia.
Metanippononychus is a genus of harvestman in the family Paranonychidae. There are at least four described species in Metanippononychus.
Triaenonychoidea is a superfamily of armoured harvestmen in the order Opiliones. There are 4 families and more than 440 described species in Triaenonychoidea.
