N.B.: described as subfamily; proposed a senior synonym of Melloinidae Perafán, Montes de Oca & Pérez-Miles, 2025: 2341 [urn:lsid:nmbe.ch:spiderfam:0182] by Perafán, Montes de Oca & Pérez-Miles, 2026: 1239.
In synonymy:
Glabropelma Raven, 1985 = Melloina Brignoli, 1985 (Platnick, 1989b: 112)
Melloa Schenkel, 1953 = Melloina Brignoli, 1985 (Brignoli, 1985a: 380, preoccupied, replacement name)
N.B.: transferred from the Theraphosidae to the Paratropididae by Raven, 1985a: 122, back to the Theraphosidae by Mori & Bertani, 2020: 35 and to the Melloinidae by Perafán, Montes de Oca & Pérez-Miles, 2025: 2341 (Melloinidae are proposed a junior synonym of Glabropelmatidae Raven, 1985 by Perafán, Montes de Oca & Pérez-Miles, 2026: 1239); replacement name for Melloa Schenkel, 1953a: 3 [urn:lsid:nmbe.ch:spidergen:04713], preoccupied in Opiliones by Roewer, 1930; objective senior synonym of Glabropelma Raven, 1985a: 122 [urn:lsid:nmbe.ch:spidergen:04168] (Platnick, 1989b: 112: superfluous replacement name for Melloa).