Now showing items 1-10 of 79
Food preferences by Octodon degus (Rodentia caviomorpha): Their role in the chilean matorral composition
The food preferences of Octodon degus are examined in laboratory test. Results indicate that degus prefer new rather than mature leaves of Chilean matorral shrubs, and that degus do not discriminate between new leaves ...
A new early Miocene octodontoid rodent (Hystricognathi, Caviomorpha) from Patagonia (Argentina) and a reassessment of the early evolution of Octodontoidea
(Society of Vertebrate Paleontology, 2014-03)
A new caviomorph rodent, Dudumus ruigomezi, gen. et sp. nov., is described from the Sarmiento Formation, Trelew Member (early Miocene), of the Argentinian Patagonia. This new taxon is represented by upper and lower cheek ...
Analysis of arch-like bones: The rodent mandible as a case study
(John Wiley and Sons Inc., 2016-07)
Bone strength is determined by the mechanical properties of bone material, and the size and shape of the whole bone, i.e., its architecture. The mandible of vertebrates has been traditionally regarded as a beam oriented ...
Quinolizidine alkaloids in Ormosia arborea seeds inhibit predation but not hoarding by agoutis (Dasyprocta leporina)
(Kluwer Academic/plenum Publ, 2003-05-01)
Quinolizidine alkaloids (QAs) are secondary compounds found in seeds of many species of plants, possibly protecting them against pathogens and seed predators. QAs were isolated from Ormosia arborea seeds and bioassayed ...
Systematic Revision of the Vizcachas (Rodentia, Caviomorpha, Chinchillidae) from the Chapadmalal Formation, Late Pliocene of Buenos Aires Province, Argentina
(Asociacion Paleontologica Argentina, 2017-02)
Los roedores lagostominos (Caviomorpha, Chinchillidae) son muy abundantes en las asociaciones de vertebrados en el Cenozoico tardío del área pampeana, pero su estudio sistemático se limita mayormente a algunos trabajos de ...