Gomes, V. & Silveira, L.F. (2021)

On the validity and taxonomic status of Crypturellus obsoletus griseiventris (Salvadori, 1895) and C. o. hypochraceus (Miranda-Ribeiro, 1938) (Aves, Tinamidae)

. Zootaxa, 4951 (2), 321–341.