A new diagnosis of Paronychiurus Bagnall, 1948 is given. P. ramosus (Folsom, 1917) and P. eous (Christiansen & Bellinger, 1980) comb. nov. are redescribed on the basis of the types and new specimens. Two new species are described: P. probus sp. n., P. hubbardi sp. n. A key to the species in this genus is presented.