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| Systematic studies of oryzomyine rodents (Muridae, Sigmodontinae) : a synopsis of Microryzomys. Bulletin of the AMNH ; no. 191 |
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| Title: | Systematic studies of oryzomyine rodents (Muridae, Sigmodontinae) : a synopsis of Microryzomys. Bulletin of the AMNH ; no. 191 |
| Authors: | Carleton, Michael D. Musser, Guy G. |
| Issue Date: | 1989 |
| Publisher: | [New York] : American Museum of Natural History |
| Series/Report no.: | Bulletin of the American Museum of Natural History ; no. 191 |
| Abstract: | "The genus Microryzomys contains certain small-bodied, long-tailed oryzomyine rodents that are endemic to the northern and central Andes, their distribution describing an arc from northern Venezuela, through Colombia, Ecuador and Peru, to central Bolivia. Based on the examination of over 900 museum specimens representing 105 principal collecting localities, two species, without subspecific divisions, are recognized: M. minutus (dryas Thomas, d. humilior Thomas, fulvirostris Allen, and aurillus Thomas in synonomy) and M. altissimus (a. hylaeus Hershkovitz and a. chotanus Hershkovitz in synonomy). Microryzomys minutus can be distinguished from its congener altissimus by a combination of size and proportional differences, which were underscored in principal component analysis of 16 craniodental and 3 external variables using representative population samples of each species. These results, together with 14 locality records of sympatry (or parapatry) in the mountains of Colombia, Ecuador ... |
| Description: | 83 p. : ill., maps ; 26 cm. Includes bibliographical references (p. 75-80). |
| URI: | http://hdl.handle.net/2246/953 |
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