Canthon fortemarginatus Balthasar, 1939g: 232.
Two syntypes are deposited in NMPC (ex coll. V. Balthasar):
SYNTYPE (unsexed specimen): ‘ Mato grosso / Zobrys [p] // Typus [p, red label, black margin] // C. fortemarginatus n. sp. [hw] / Dr. V. Balthasar det. [p] // fortemarginatus m. [hw, green label, back margin]’.
SYNTYPE (unsexed specimen): ‘Mision Berg [hw, green label] // Typ! [p, red label] // C. fortemarginatus n. sp. [hw] / Dr. V. Balthasar det. [p]’.
Current status. Canthon unicolor fortemarginatus Balthasar, 1939, see HALFFTER & MAR-
TÍNEZ (1977).