Plinthisus vestitus Jakovlev, 1889c: 63. LT (Péricart, 1998b: 126): female, Russia (ES), Irkutsk Prov., Verkholensk Mts; ZMAS.
Plinthisus sibiricus Jakovlev, 1889c: 65 (syn. Kulik, 1967: 398; Kerzhner, 1993b: 103). HT: male, Russia (ES), Irkutsk Prov., Verkholensk Mts, nr an affluent of Angara river; ZMAS.