nematocallus Fairchild, 1984: 29 . Type locality: Brazil, Amazonas, Manaus (Reserva Adolpho Ducke). HT F (INPA), PT F 14 (FSCA). Distr.: Bolivia, Brazil, Colombia, Guyana, Peru, Venezuela. Refs.: Fairchild & Burger, 1994: 142 (cat.); Coscaron & Papavero, 2009: 135 (cat.).