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Identification and distribution of cotton rats, genus Sigmodon (Muridae: Sigmodontinae), of Nayarit, M?xico

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Identification and distribution of cotton rats, genus Sigmodon (Muridae: Sigmodontinae), of Nayarit, M?xico; 1999; Article; Journal; Proceedings of the Biological Society of Washington; Carleton, M. D.; Fisher, R.D.; Gardner, A.L.

Summary

Morphological, chromosomal, distributional, and ecological data are presented for three species of Sigmodon (S. alleni, S. arizonae, and S. mascotensis) from the state of Nayarit, Mexico. The species were collected in all possible pairwise combinations of sympatry, including the first record of such documented for S. arizonae and S. mascotensis. Emphasis is devoted to the discrimination of S. arizonae and S. mascotensis, from each other and from typical S. hispidus, using qualitative features of the skin and skull and morphometric analyses of craniodental measurements. Based on these results and examination of type specimens, additional synonyms of S. mascotensis are identified, with reassignment of two forms, tonalensis Bailey (1902) [...]

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Type Scheme Key
local-index unknown 5223873
local-pk unknown 5223873
series unknown Proceedings of the Biological Society of Washington

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journalProceedings of the Biological Society of Washington
parts
typevolume
value112
typeissue
value4
languageEnglish
citationTypeArticle

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