Cryptomaster is a genus of armoured harvestmen in the family Cryptomastridae. There are two described species in Cryptomaster, both found in Oregon.
Theromaster is a genus of armoured harvestmen in the family Cladonychiidae. There are at least two described species in Theromaster, found in the eastern United States.
Travunioidea is a superfamily of armoured harvestmen in the order Opiliones. There are 4 families and around 75 described species in Travunioidea.
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 three described species in Paranonychus. The Japanese species Paranonychus fuscus was originally described in its own genus as Mutsunonychus fuscus Suzuki 1976, but considered its own species and part of Paranonychus in later studies.
Erebomaster is a genus of armoured harvestmen in the family Travuniidae. There are at least three described species in Erebomaster.
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.
Dinaria is a genus of harvestman in the family Travuniidae. There is one described species, Dinaria vjetrenicae. It has been found only in Vjetrenica Cave in southern Bosnia and Herzegovina.
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 monotypic genus of harvestman in the family Paranonychidae. There is one described species in Izunonychus, I. ohruii, endemic to Japan.
Kainonychus is a monotypic genus of harvestman in the family Paranonychidae. There is one described species in Kainonychus, K. akamai, endemic to Japan.
Kaolinonychus is a monotypic genus of harvestman in the family Paranonychidae. There is one described species in Kaolinonychus, endemic to South Korea and found primarily in caves.
Metanonychus is a genus of harvestman in the family Paranonychidae. There are eight described species in Metanonychus, found in the northwestern United States.
Nippononychus is a genus of harvestman in the family Paranonychidae. There is one described species in Nippononychus, N. japonicus, endemic to Japan.
Peltonychia is a genus of armoured harvestmen in the family Cladonychiidae. There are about nine described species in Peltonychia that are found in Europe.
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.
Travunia is a genus of harvestman in the family Travuniidae. There are four described species in Travunia. They are found in caves in the southern Dinaric Karst region of Balkan Europe.
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.
