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1999 | 44 | 3 |
Tytuł artykułu

The Wilfredomys pictipes [Rodentia: Sigmodontinae] karyotype with comments on the karyosystematics of Brazilian Thomasomyini

Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Karyotypic analysis of two specimens of Wilfredornys pictipes (Osgood, 1933), collected in the Atlantic forest of Sao Paulo State, Brazil, showed 2n = 36 / FN = 34. Comparative karyologic analysis indicated that W. pictipes was very different from species belonging to the tribe Oryzomyini and to the genus Delomys but similar to Rhipidomys species. These findings indicated that the tribe Thomasomyini is not a karyotypically homogeneous taxon. The low diploid number of W. pictipes is likely to be a derived trait among sigmodontine rodents.
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Wydawca
-
Czasopismo
Rocznik
Tom
44
Numer
3
Opis fizyczny
p.329-332,fig.
Twórcy
  • Instituto Nacional de Cancer, Praca da Cruz Vermelha, 23, 20230-130 Rio de Janeiro, RJ, Brazil
autor
Bibliografia
  • Ávila-Pires F. D. de 1960. Um novo género de roedor Sul-Americano. Boletim do Museu Nacional, nova serie, Zoologia 220: 1-6.
  • Bonvicino C. R. and Geise L. 1995. Taxonomic status of Delomys dorsalis collinus Thomas, 1917 (Rodentia, Cricetidae) and description of a new karyotype. Zeitschrift fur Saiigertierkunde 60: 124-127.
  • Gardner A. L. and Patton J. L. 1976. Karyotypic variation in Oryzomyine rodents (Cricetidae) with comments on chromosomal evolution in the neotropical cricetinae complex. Occasional Papers of Louisiana State University, Museum Zoology 49: 1-48.
  • Hershkovitz P. 1962. Evolution of Neotropical cricetine rodents (Muridae) with special reference to the phyllotine group. Fieldiana Zoology 46: 1-524.
  • Musser G. G. and Carleton M. P. 1993. Family Muridae. [In: Mammals species of the world. A taxonomic and geographic reference. D. E. Wilson and D. M. Reeder, eds]. Smithsonian Institution Press, Washington: 501-705.
  • Osgood W. H. 1933. Two new rodents from Argentina. Zoological Series, Field Museum of Natural History 20: 11-14.
  • Pine P. H. 1980. Notes on rodents of the genera Wiedomys and Thomasomys (including Wilfredomys). Mammalia 44: 195-202.
  • Reig O. 1984. Distribuigáo geográfica e historia evolutiva dos roedores Muroideos Sulamericanos (Cricetidae: Sigmodontinae) (Geographic distribution and evolutionary history of South American muroids, Cricetidae: Sigmodontinae). Brazilian Journal of Genetics 7: 333-365.
  • Seabright M. 1971. A rapid banding technique for human chromosomes. Lancet 2: 971-972.
  • Sumner A. T. 1972. A simple technique for demonstrating centromeric heterochromatin. Experimental Cell Research 75: 304-306.
  • Thomas O. 1906. Notes on South American Rodents. Annals and Magazine of Natural History 7: 442-448.
  • Thomas O. 1928. A new Thomasomys from Rio Grande do Sul. Annals and Magazine of Natural History 10: 154-155.
  • Tribe C. J. 1996. The Neotropical rodents genus Rhipidomys (Cricetidae: Sigmodontinae) - a taxonomic revision. Unpublished Ph D thesis, University College London, London: 1-316. Voss R. S. 1993. A revision of the Brazilian muroid rodent genus Delomys with remarks on "Thomasomyine" characters. American Museum of Novitates 3073: 1-44.
  • Zanchin N. I. T., Sbalqueiro I. J., Langguth A., Bossle R. C., Castro E. C., Oliveira L. F. B. and Mattevi M. S. 1992a. Karyotype and species diversity of the genus Delomys (Rodentia, Cricetidae) in Brazil. Acta Theriologica 37: 163-169.
  • Zanchin N., Langguth A. and Mattevi M. S. 1992b. Karyotypes of Brazilian species of Rhipidomys (Rodentia, Cricetidae). Journal of Mammalogy 73: 120-122.
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
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