Orthogonius is a genus of beetles in the family Carabidae, containing the following species: \n* Orthogonius acrogonus (Wiedemann, 1819) \n* Orthogonius acutangulus Chaudoir, 1878 \n* Orthogonius adoriae Tian & Deuve, 2006 \n* Orthogonius aemulus Peringuey, 1896 \n* Orthogonius alternans (Wiedemann, 1823) \n* Orthogonius alutaceus Quedenfeldt, 1883 \n* Orthogonius andrewesi Emden, 1928 \n* Orthogonius andrewesianus Tian & Deuve, 2006 \n* Orthogonius angkor Tian & Deuve, 2006 \n* Orthogonius angustus Chaudoir, 1871 \n* Orthogonius annamensis Jedlicka, 1965 \n* Orthogonius annamicola Tian & Deuve, 2006 \n* Orthogonius annemariae Tian & Deuve, 2006 \n* Orthogonius assamensis Tian & Deuve, 2006 \n* Orthogonius assamicola Tian & Deuve, 2006 \n* Orthogonius assmuthi Wasmann, 1920