§ Sylvicanthon bridarollii (Martínez, 1949)
Glaphyrocanthon bridarollii Martínez 1949c: 282 (Bolivia)
Distribution. Guyana: Forsyth and Gill 1993: 70. French Guiana: Price and Feer 2012: 327. Brazil: Martínez et al. 1964a: 8 (as Glaphyrocanthon bridarollii); Vulcano and Pereira 1964: 661 (as Glaphyrocanthon bridarollii); Vaz-de-Mello 2000: 195; Cupello and Vaz-de-Mello 2018: 107. Venezuela (EO): Ferrer-Paris et al. 2013: 110 (EO). Other: Martínez 1949c: 282 (Bolivia - as Glaphyrocanthon bridarollii); Martínez et al. 1964a: 8, 10 (Bolivia, Peru - as Glaphyrocanthon bridarollii); Vulcano and Pereira 1964: 661 (Bolivia - as Glaphyrocanthon bridarollii); Medina et al. 2001: 137 (Colombia); Cupello and Vaz-de-Mello 2018: 107 (Bolivia, Colombia, Ecuador, Peru).
Note. According to Cupello and Vaz-de-Mello (2018: 107), Sylvicanthon bridarollii is restricted to the western parts of the Amazon Basin. Previous records of this species for the research area most likely concern the newly described S. seag .