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On the relationships of "Marmosa" formosa Shamel, 1930 (Marsupialia, Didelphidae), a phylogenetic puzzle from the chaco of northern Argentina. American Museum novitates ; no. 3442

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dc.contributor.author Voss, Robert S. en_US
dc.contributor.author Gardner, Alfred L. en_US
dc.contributor.author Jansa, Sharon A. en_US
dc.date.accessioned 2005-10-06T16:38:58Z
dc.date.available 2005-10-06T16:38:58Z
dc.date.issued 2004 en_US
dc.identifier.uri http://hdl.handle.net/2246/2807
dc.description 18 p. : ill. (some col.) ; 26 cm. en_US
dc.description Includes bibliographical references (p. 16-17). en_US
dc.description.abstract The holotype and only known specimen of Marmosa formosa Shamel, a nominal species currently synonymized with Gracilinanus agilis Burmeister, is strikingly unlike any other known didelphid marsupial. Phylogenetic analyses based on nonmolecular characters and IRBP sequences suggest that formosa is either the sister-taxon of Thylamys (including Lestodelphys) or Monodelphis. Because neither alternative is strongly supported by the data at hand, and because including formosa in Thylamys or in Monodelphis would compromise the diagnosability of those taxa, a new genus--Chacodelphys--is proposed to contain it. Currently known only from northern Argentina, Chacodelphys formosa may be widely distributed in the Chaco and other adjacent Neotropical biomes. en_US
dc.format.extent 591004 bytes
dc.format.mimetype application/pdf
dc.language eng en_US
dc.language.iso en_US
dc.publisher New York, NY : American Museum of Natural History en_US
dc.relation.ispartofseries American Museum novitates ; no. 3442 en_US
dc.subject.lcc QL1 .A436 no.3442 2004 en_US
dc.subject.lcsh Chacodelphys en_US
dc.subject.lcsh Marmosa en_US
dc.subject.lcsh Opossums -- Argentina -- Formosa (Province) en_US
dc.subject.lcsh Opossums -- Phylogeny. en_US
dc.subject.lcsh Marsupials -- Argentina -- Formosa (Province) en_US
dc.subject.lcsh Mammals -- Argentina -- Formosa (Province) en_US
dc.subject.lcsh Opossums -- Gran Chaco -- Geographical distribution. en_US
dc.title On the relationships of "Marmosa" formosa Shamel, 1930 (Marsupialia, Didelphidae), a phylogenetic puzzle from the chaco of northern Argentina. American Museum novitates ; no. 3442 en_US
dc.title.alternative Relationships of Marmosa formosa en_US
dc.type text en_US


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  • American Museum Novitates
    Novitates (Latin for "new acquaintances"), published continuously and numbered consecutively since 1921, are short papers that contain descriptions of new forms and reports in zoology, paleontology, and geology. New numbers are published at irregular intervals.

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