Proceratophrys boiei

Sources

1. Beçak, W., Beçak, M. L., Schreiber, G., Lavalle, D., & Amorim, F. O. (1970). Interspecific variability of DNA content in Amphibia. Experientia, 26(2), 204-206.
2. Ananias, F., Modesto, A.D.S., Celi Mendes, S. and Felgueiras Napoli, M., 2007. Unusual primitive heteromorphic ZZ/ZW sex chromosomes in Proceratophrys boiei (Anura, Cycloramphidae, Alsodinae), with description of C_Band interpopulational polymorphism. Hereditas, 144(5), pp.206-212.R.D. Perkins, J.R. Gamboa, M.M. Jonika, J. Lo, A. Shum, R.H. Adams, H. Blackmon. The Amphibian Karyotype Database. Chromosome Research. https://doi.org/10.1007/s10577-019-09613-1