Karyotype of P. megacephalus prepared by conventional Giemsa staining (A) C-banding (B) and Ag-NOR method (C). The arrow indicates secondary constrictions in the pair 8 correspond to NOR sites. Note the additional NOR in one homologue of pair 13.

  Part of: Gama JM, Gazolla CB, de Souza DY, Recco-Pimentel SM, Bruschi DP (2019) Recurrent variation in the active NOR sites in the monkey frogs of the genus Pithecopus Cope, 1866 (Phyllomedusidae, Anura). Comparative Cytogenetics 13(4): 325-338. https://doi.org/10.3897/CompCytogen.v13i4.37687