Paranonychidae is a family of armoured harvestmen in the order Opiliones. There are 9 genera and at least 28 described species in Paranonychidae. The data is from the World Catalogue of Opiliones (WCO).
* "Izunonychus ohruii" Japan
* "Kainonychus akamai" 
* "Kainonychus akamai akamai" Japan
* "Kainonychus akamai esoensis" Japan
* "Kaolinonychus coreanus" 
* "Kaolinonychus coreanus coreanus" South Korea
* "Kaolinonychus coreanus longipes" South Korea
* "Metanippononychus daisenensis" Japan
* "Metanippononychus iriei" 
* "Metanippononychus iriei iriei" Japan
* "Metanippononychus iriei yakuensis" Japan
* "Metanippononychus iyanus" Japan
* "Metanippononychus tomishimai" 
* "Metanippononychus tomishimai awanus" Japan
* "Metanippononychus tomishimai tomishimai" Japan
*"Metanonychus cascadus" USA: Oregon
* "Metanonychus idahoensis" USA: Idaho
*"Metanonychus mazamus" USA: Oregon
*"Metanonychus mechanicus" USA: Oregon, Washington
*"Metanonychus navarrus" USA: California. 
* "Metanonychus nigricans" USA: California
* "Metanonychus setulus" USA: Oregon
* "Nippononychus japonica" 
* "Paranonychus brunneus" USA: Oregon, Washington, Alaska, Canada: British Columbia
* "Paranonychus concolor" USA: Oregon
* "Paranonychus fuscus" Japan
* "Sclerobunus cavicolus" USA: Montana (was with misspellng as "Cyptobunus cavicolens")
* "Sclerobunus glorietus" USA: New Mexico (from protonym "Scotolemon robustus glorietus")
* "Sclerobunus idahoensis" USA: Idaho and Montana
* "Sclerobunus jemez" USA: New Mexico
* "Sclerobunus klomax" USA: New Mexico
* "Sclerobunus madhousensis" USA: Utah
* "Sclerobunus nondimorphicus" USA: Oregon, Washington, and British Columbia
* "Sclerobunus robustus" USA: Arizona, Colorado, New Mexico, and Utah
* "Sclerobunus skywalkeri" USA: New Mexico
* "Sclerobunus speoventus" USA: Colorado
* "Sclerobunus steinmanni" USA: Colorado
* "Sclerobunus ungulatus" USA: Nevada
* "Zuma acuta" USA: California
* "Zuma tioga" USA: California