CORMONSI species-group
Gigantodax brevis Wygodzinsky & Coscarón
Pinto-Sánchez, Miranda-Esquivel & Muñoz de Hoyos (2005, chromosomal characters in phylogeny, idiogram): [Colombia]
Gigantodax vulcanius Wygodzinsky & Coscarón
Hirai (1987c, description, idiogram, low-resolution photo of chromosome I; as G. ‘sp-2’): Ecuador