Parent: Thraupidae (Tanagers)

└─ Oryzoborus

└─── Oryzoborus angolensis (Lesser seed finch)

└─── Oryzoborus atrirostris (Black-billed seed finch)

└─── Oryzoborus crassirostris (Large-billed seed finch)

└─── Oryzoborus funereus (Thick-billed seed-finch)

└─── Oryzoborus maximiliani (Great-billed seed finch)

└─── Oryzoborus nuttingi (Nicaraguan seed finch)