Results 61 to 70 of about 5,690 (270)
A new karyotype of Oligoryzomys (Sigmodontinae, Rodentia) from central Brazil [PDF]
A new karyotype of the genus Oligoryzomys was described for specimens collected in Brazilian Cerrado in Tocantins and Goiás States. Conventional staining, G-, C-banding, and Ag-NOR staining techniques were used for describe this karyotype with 2n=70, AN=74 or 76.
De S. Lima, J. Fernando+2 more
openaire +5 more sources
BACKGROUND Angiostrongylus costaricensis is a nematode that causes human abdominal angiostrongyliasis, a disease found mainly in Latin American countries and particularly in Brazil and Costa Rica. Its life cycle involves exploitation of both invertebrate
Danielle Ingrid Bezerra de Vasconcelos+2 more
doaj +1 more source
Juliomys pictipes is a Sigmodontinae rodent endemic to the Atlantic Forest. Herein, we report the first records of the species on the coast of the state of Paraná, filling a gap in the species’ distribution.
Ricardo Augusto Serpa Cerboncini+3 more
doaj +1 more source
The Quaternary record of Reithrodon auritus (Rodentia: Cricetidae) in northwestern Argentina and its paleoenvironmental meaning [PDF]
Reithrodon auritus is a living sigmodontine with one of the broader temporal records, from the lower Pliocene of Argentina. Its populations in northwestern Argentina are today found patchily and restricted to five high-elevation and isolated localities ...
Jayat, Jorge Pablo, Ortiz, Pablo Edmundo
core +2 more sources
The Andean cloud forests of Ecuador are home to numerous unique mammals. Rodents of the tribe Thomasomyini are particularly abundant in many Andean localities, with Thomasomys – the largest genus in the subfamily Sigmodontinae (51 species) – especially ...
J. Brito+10 more
semanticscholar +1 more source
<strong>Abstract</strong> We analyzed ontogenetic patterns of landmarks for 169 laboratory-raised specimens of <em>Calomys expulsus</em>, at 0, 5, 10, 20, 30, 50, 100, 200, and 300 days of age, using two-dimensional geometric ...
Erika Hingst-Zaher+2 more
doaj +1 more source
Phylogeographic Structure of the Fossorial Long-Clawed Mouse Chelemys macronyx (Cricetidae: Sigmodontinae) [PDF]
We present a phylogeographic study of the fossorial sigmodontine mouse Chelemys macronyx. Analyses were based on mitochondrial DNA sequences of specimens collected over most of distributional range of the species. Results showed that C.
Alarcón, Oriet+3 more
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Ticks (ixodida) and mites (mesostigmata) parasites of sigmodontine rodents in the Delta of Paraná river, Argentina. [PDF]
Se determinaron las especies de garrapatas y ácaros mesostigmata parásitos de roedores sigmodontinos en una localidad del Delta del Paraná. Fueron registradas 38 asociaciones parásito-hospedador entre dos especies de garrapatas y cinco especies de ácaros
Antoniazzi, Leandro Raúl+6 more
core +5 more sources
Comparative karyology in Akodon (Rodentia, Sigmodontinae) from southeastern Brazil [PDF]
Karyotypic comparisons among five Akodon species showed that they shared a substantial proportion of their chromosome complements, indicated by distinct homologies between chromosomes, arms, or arm regions despite that this genus is karyotypically rearranged.
H N Seuánez, Lena Geise, F C Canavez
openaire +3 more sources
Un nuevo género para Habrothrix angustidens y Akodon serrensis (RODENTIA, CRICETIDAE): de nuevo palentología y neontología se encuentran en el legado de Lund [PDF]
We describe a new genus of sigmodontine rodent to allocate a fossil species from Lagoa Santa cave deposits, Habrothrix angustidens Winge, and a living species from southeastern Atlantic Forest described at the start of the past century, Akodon serrensis ...
Geise, Lena+3 more
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