| taxonomic revision of the andean leaf-eared mouse, phyllotis andium thomas 1912 (rodentia: cricetidae), with the description of a new species. | the andean leaf-eared mouse, phyllotis andium thomas 1912, has been considered a widespread medium-size sigmodontine rodent (230 mm of total length and 35 grams approximately) that occurs from tungurahua, ecuador, through the andes, to lima, peru. previous studies performed on phyllotis noted evidence of morphological geographical variation within the species, which is likely because of the several potential geographical barriers that exist within the distribution range of p. andium. we carried ... | 2015 | 26624045 |
| frequencies of chromosomal aberrations in rodents of the rimac valley-perú. | the present study analyzes the frequency of chromosomal aberrations found in rodents living in a polluted area near the rimac river (casapalca, minery zone) at 120 km of lima, compared to that observed in a non-polluted area in the department of lima, perú. the species analyzed were: phyllotis andium, p. darwini and akodon boliviensis. the rodents were captured alive and bone marrow was processed the same day of capture to obtain metaphases. the results showed significant differences (p < 0.05) ... | 1993 | 7606252 |