FIG. 5 in Mammalian Diversity And Matses Ethnomammalogy In Amazonian Peru Part 4: Bats

FIG. 5. Basicranial views of Peropteryx leucoptera (A, AMNH 273182), P. pallidoptera (B, MUSM 13228), and P. macrotis (C, AMNH 266005) illustrating taxonomic differences in the size and separation of the pterygoid pits. In P. leucoptera, large pterygoid pits (ptp) are separated by the presphenoid (pre) and the basisphenoid pit (bsp). In P. pallidoptera, small pterygoid pits are separated by the presphenoid and the basisphenoid pit. In P. macrotis, small pterygoid pits are separated only by the basisphenoid pit. Other abbreviations: coc, cochlea; ect, ectotympanic; gf, glenoid fossa.