1. Department of Morphology Universidade Federal do Amazonas Manaus Amazonas Brazil
2. Thematic Laboratory of Electron Microscopy and Nanotechnology Instituto Nacional de Pesquisas da Amazônia Manaus Amazonas Brazil
3. Department of Animal Sciences Universidade Federal do Semi‐Árido Mossoró Rio Grande do Norte Brazil
4. Laboratory of Comparative Vertebrates Anatomy Universidade de Brasília Brasília Distrito Federal Brazil