Bibliography

Vieira, K. da S., E. K. S. Oliveira, W. L. d. S. Vieira, and R. R. N. Alves. 2022. Polymorphism in a Neotropical toad species: ontogenetic, populational and geographic approaches to chromatic variation in Proceratophrys cristiceps (Müller, 1883) (Amphibia, Anura, Odontophrynidae). PeerJ 10(e12879): 1–30 (DOI 10.7717/peerj.12879).