Variation in the nucleotide sequence of the entire mitochondrial cytochrome b gene (1140
bp) was examined for 27 individuals representing 13 species of South American rodents of …

The phylogeny of South American spiny rats (Rodentia; Echimyidae) was studied using the
exon 28 of the von Willebrand Factor nuclear gene (vWF). Sequences were analysed …

The discovery of a rich fauna from the late Miocene Cerro Azul Formation in Caleufú, central
Argentina, is reported. This fauna includes vertebrate Holarctic immigrants, among which …

Biostratigraphy and biochronology of the Late Miocene of central Argentina is analyzed
through evolutionary patterns of octodontoid rodents. The studied faunas were found in …

We analyse the taxonomic status and diversity of the late Miocene Octodontoidea
(Hystricognathi) Cercomys primitiva and related samples, a taxon previously known only …

En la historia paleoclimática del Cenozoico, climas áridos y ambientes abiertos son
claramente derivados respecto de condiciones como las de los actuales bosques tropicales …

Octodontoidea is the most diverse clade of hystricognath rodents, and is richly recorded in
South America since at least the Oligocene. A parsimony-based morphological phylogenetic …

The echimyid rodents are the most diverse group of Neotropical hystricognaths, with
approximately 40 extant and fossil genera. Craniodental characters are proposed in order to …

The dental evidence on the differentiation of the ctenomyine rodents (Caviomorpha,
Octodontidae, Ctenomyinae) Page 1 Acta Theriologica 44 (3): 263-282, 1999. PL ISSiN …

Abstract Caviomorphs (South American hystricognaths) are recorded in the continent since
the middle Eocene. The middle Eocene-early Oligocene is considered a key moment for …