Craugastor megacephalus

Sources

1. Chen, Shyh-Hwang, "Cytogenetic study of the lower Central American frogs of the subgenus Craugastor (Anura: Leptodactylidae: Eleutherodactylus)" (2001)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
2. DeWeese J 1975 Chromosomes in Eleutherodactylus (Anura, Leptodactylidae). Mamm Chrom Newsl 16:121-123R.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