- Neosciadella spixi
- Megacyllene spixi
- Cyanopsitta spixii
- Spesies terancam
- Ular karang Amerika
- Megacyllene decora
- Megacyllene powersi
- Megacyllene florissantensis
- Megacyllene ellifranziana
- Megacyllene lanei
- Neosciadella spixi
- Spix's macaw
- Leptodactylus spixi
- Santanadactylus
- Cathorops spixii
- Spix's spinetail
- Romualdo Formation
- Lamprocyphus
- List of birds of Brazil
- Buff-browed chachalaca
