Canthon (Glaphyrocanthon) semiopacus Harold, 1868

Canthon semiopacus Harold 1868a: 57 (French Guiana, Brazil)

Distribution. French Guiana: Harold 1868a: 57; Gillet 1911b: 33; A. Schmidt 1922a: 80; Balthasar 1939e: 208; Blackwelder 1944: 201 (as C. semiopacum); Pereira and Martínez 1956b: 170 (as Geocanthon semiopacus); Feer 2000: 32; Feer and Pincebourde 2005: 30; Price and Feer 2012: 327. “Guianas”: Vulcano and Pereira 1964: 673 (as Geocanthon semiopacus). Brazil: Harold 1868a: 57; A. Schmidt 1922a: 80; Blackwelder 1944: 201 (as C. semiopacum); Pereira and Martínez 1956b: 170 (as Geocanthon semiopacus); Vulcano and Pereira 1964: 673 (as Geocanthon semiopacus); Vaz-de-Mello 2000: 191. Venezuela (EO): Pereira and Martínez 1956b: 170 (as Geocanthon semiopacus) (EO); Vulcano and Pereira 1964: 673 (as Geocanthon semiopacus); RMNH (EO). Other: Pereira and Martínez 1956b: 170 (Bolivia, Colombia - as Geocanthon semiopacus); Vulcano and Pereira 1964: 673 (Bolivia, Colombia - as Geocanthon semiopacus); Medina et al. 2001: 136 (Colombia).