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1 February 2002 KARYOTYPES OF NINETEEN MARSUPIAL SPECIES FROM BRAZIL
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Abstract

Karyotypes of 127 individuals, representing 19 species of 10 genera of Brazilian marsupials (Didelphidae) were determined, with karyotypes of Gracilinanus emiliae and G. microtarsus, Marmosops incanus, Thylamys velutinus, and Philander frenata being described for the 1st time. The specimens were collected from 24 localities, in an area between 4°N (Surumú, Roraima) and 31°S (Mostardas, Rio Grande do Sul), in Brazil. Only 3 diploid numbers were found, 2n = 14 in G. emiliae, G. microtarsus, G. agilis, Marmosa murina, Marmosops parvidens, M. incanus, Micoureus demerarae, and T. velutinus; 2n = 18 in Monodelphis dimidiata, M. brevicaudata, M. kunsi, and M. domestica; and 2n = 22 in Chironectes minimus, Lutreolina crassicaudata, Didelphis albiventris, D. aurita, D. marsupialis, Philander opossum, and P. frenata.

Bianca de A. Carvalho, Luiz Flamarion B. Oliveira, Andréa P. Nunes, and Margarete S. Mattevi "KARYOTYPES OF NINETEEN MARSUPIAL SPECIES FROM BRAZIL," Journal of Mammalogy 83(1), 58-70, (1 February 2002). https://doi.org/10.1644/1545-1542(2002)083<0058:KONMSF>2.0.CO;2
Accepted: 10 May 2001; Published: 1 February 2002
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