Atlanticus (Atlanticus) calcaratus Rehn & Hebard, 1916
 
male, dorsal view (body length 22.5 mm)

Source: Rehn, J.A.G. & Hebard. 1916. Trans. Amer. Entomol. Soc. 42:33-100, Pl. VI-VIII, Pl. VI, Fig. 1 (after type specimen)