Two-headed Sipo
- kingdom: Animalia
- phylum: Chordata
- class: Reptilia
- order: Squamata
- family: Colubridae
- genus: Chironius
- species: Chironius bicarinatus
Camanducaia
Minas Gerais- Teresópolis
Rio de Janeiro- Itapecerica da Serra
- Pariquera Açu
São Paulo
Brazil