Synonyms: Argutor mandibularis; Cryobius alaskensis; Cryobius beringensis; Cryobius beringi; Cryobius fortestriatus; Cryobius holmbergi; Cryobius incognitus; Cryobius montanellus; Cryobius pinguedineus; Cryobius repandus; Cryobius subnitidulus; Cryobius washingtoni; Feronia despecta; Feronia diplogma; Feronia frigida (heterotypic); Feronia laeviuscula; Feronia splendida; Feronia stuxbergi; Feronia subsinuosa; Feronia sulcipennis; Poecilus pinguedineus (homotypic); Pterostichus alaskensis; Pterostichus anadyricus; Pterostichus beringensis; Pterostichus beringi; Pterostichus despectus; Pterostichus diplogmus; Pterostichus fortestriatus; Pterostichus frigidus (heterotypic); Pterostichus holmbergi; Pterostichus incognitus; Pterostichus mandibularis; Pterostichus montanellus; Pterostichus repandus; Pterostichus splendidus; Pterostichus stuxbergi; Pterostichus subnitidulus; Pterostichus subsinuosus; Pterostichus sulcipennis; Pterostichus washingtoni