Mammalian Diversity And Matses Ethnomammalogy In Amazonian Peru Part 5. Rodents Author Voss, Robert S. Author Fleck, David W. Author Jansa, Sharon A. text Bulletin of the American Museum of Natural History 2019 2024-04-18 2024 466 1 180 http://dx.doi.org/10.5281/zenodo.5414895 journal article 10.5281/zenodo.5414895 0003-0090 Neacomys musseri Patton et al., 2000 Figure 21B, 21E VOUCHER MATERIAL ( N = 6): Nuevo San Juan (AMNH 272676, 272687, 272712, 272719; MUSM 13308, 13310). UNVOUCHERED OBSERVATIONS: None. IDENTIFICATION: As discussed in the preceding account, the only consistently diagnostic morphological difference between Neacomys musseri and sympatric N. aletheia concerns the carotid arterial circulation. Apparently, these species are known to occur sympatrically only at Nuevo San Juan . Neacomys musseri was originally described from 14 specimens collected at two geographically distant localities (> 500 km apart): the type