Results 31 to 40 of about 67 (53)

Evolução morfológica na radiação dos roedores sigmodontíneos : ecologia e história evolutiva [PDF]

open access: yes, 2017
Radiações evolutivas estão entre os eventos mais fascinantes da evolução. Grande parte da diversidade da vida, tanto de espécies como ecológica, surgiu nos breves intervalos temporais de rápida especiação que configuram as radiações. As causas ecológicas
Maestri, Renan
core  

A review of the boliviensis group of Akodon (Muridae: Sigmodontinae), with emphasis on Peru and Bolivia. [PDF]

open access: yes, 1990
http://deepblue.lib.umich.edu/bitstream/2027.42/56421/1/MP177 ...
Myers, P.   +2 more
core  

Genômica comparativa dos roedores Akodontinos Akodon cursor, A. montensis e Necromys lasiurus (Cricetidae: Rodentia) [PDF]

open access: yes, 2014
The Akodontini tribe is characterized by a high level of chromosomal polymorphisms due to Robertsonian rearrangements and pericentric inversions. The karyotypes of Akodon cursor (2n=14, FN=19), A. montensis (2n=24, FN=42) and Necromys lasiurus (2n=34, FN=
Naiara Pereira de Araujo
core  

The evolutionary history of the South American cricetid rodents [PDF]

open access: yes, 1972
The family Cricetidae is represented in the present South American fauna by 44 genera and 179 species, amounting to about 20% of the living species of mammals of this continent. The overwhelming majority of these genera and species are South American
Reig, O.A.
core  

Heteromys in western Venezuela [PDF]

open access: yes, 2003
43 p. : ill. (some col.), maps ; 26 cm.Includes bibliographical references (p. 29-34).Heteromys anomalus is widely distributed along the Caribbean coast of South America and was generally considered the only spiny pocket mouse present in Venezuela until ...
Anderson, Robert P.
core  

Body size downgrading of mammals over the late Quaternary [PDF]

open access: yes, 2018
Since the late Pleistocene, large-bodied mammals have been extirpated from much of Earth. Although all habitable continents once harbored giant mammals, the few remaining species are largely confined to Africa.
Elliott Smith, Rosemary E.   +3 more
core   +1 more source

The neotropical rodent genus 'Rhipidomys' (Cricetidae: Sigmodontinae) - A taxonomic revision [PDF]

open access: yes, 1996
South American climbing mice and rats, Rhipidomys, occur in forests, plantations and rural dwellings throughout tropical South America. The genus belongs to the thomasomyine group, an informal assemblage of plesiomorphous Sigmodontinae.
Tribe, Christopher James
core  

Inferências filogenéticas do gênero Oxymycterus (Cricetidae:Sigmodontinae) de algumas localidades do Sul do Brasil, com base em sequências de DNA mitocondrial [PDF]

open access: yes, 2015
Orientador : Prof. Dr. Tales Renato O. de FreitasCo-orientadora : Profª Drª Iris HassDissertação (mestrado) - Universidade Federal do Paraná, Setor de Ciências Biológicas, Programa de Pós-Graduação em Genética.
Peçanha, Willian Thomaz
core   +1 more source

The Phenomenon of Rat [PDF]

open access: yes
This book introduces the most ancient and commonest mammalian life form, which is nonetheless largely overlooked – the muridoids, i.e., animals with mouse-like body structure.
MILJUTIN, ANDREI
core  

Identidade e alocação taxonômica de duas formas simpátridas de Oxymycterus (Rodentia: Sigmodontinae) do sudeste do Brasil: uma avaliação de hipóteses sobre a diversidade do gênero [PDF]

open access: yes, 2001
Oxymycterus is a diverse neotropical rodent genus distributed at the middle latitudes of South America. The nomenclature of the genus remains obscure due to the difficulties in the morphological definition of species and to the controversies on the ...
Gonçalves, Pablo Rodrigues
core   +1 more source

Home - About - Disclaimer - Privacy