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Phylogeny and temporal diversification of Calomys (Rodentia, Sigmodontinae): implications for the biogeography of an endemic genus of the open/dry biomes of South America.
TLDR
The main objectives of this study were to clarify taxonomic issues related to Brazilian karyomorphs and to study the diversification processes of the genus by analyzing its biogeography in combination with cladogenesis dates estimated with a molecular clock. Expand
Mosaics of convergences and noise in morphological phylogenies: what's in a viverrid-like carnivoran?
TLDR
These results support the removal from the traditionally held Viverridae of several viverrid-like taxa into three distinct families: Nandiniidae, Prionodontidae (Prionodon), and the newly defined Eupleridae (including Cryptoprocta, Fossa, Eupleres plus all "mongoose-like" Malagasy taxa). Expand
Host-plant dependent wing phenotypic variation in the neotropical butterfly Heliconius erato
TLDR
It is proposed that this variation in forewing size and shape in the butterfly Heliconius erato phyllis can be an important factor in resource specialization and partner recognition, possibly triggering reproductive isolation and sympatric speciation in phytophagous insects. Expand
Combining geometric morphometrics and pattern recognition to identify interspecific patterns of skull variation: case study in sympatric Argentinian species of the genus Calomys (Rodentia:
TLDR
This work applies statistical procedures from the field of pattern recognition to three-dimensional geometric morphometric data based on skull landmarks to identify sympatric species C. laucha, C.musculinus and Calomys venustus. Expand
Cranial and chromosomal geographic variation in manatees (Mammalia: Sirenia: Trichechidae) with the description of the Antillean manatee karyotype in Brazil
TLDR
It is hypothesize that the Amazon River mouth may be acting as a reproductive barrier for the T. m. Expand
Taxonomic revision of the long-nosed armadillos, Genus Dasypus Linnaeus, 1758 (Mammalia, Cingulata)
TLDR
The aim is to revise the taxonomy of the long-nosed armadillos and properly define the taxa and to designate a lectotype for D. novemcinctus and a neotype for Loricatus hybridus. Expand
Phylogenetic systematics and tempo of evolution of the Viverrinae (Mammalia, Carnivora, Viverridae) within feliformians: implications for faunal exchanges between Asia and Africa.
TLDR
Parsimony- and maximum likelihood-based methods yielded unambiguous ancestral area reconstructions, including the Asian origin of the family Viverridae, the subfamily Viverrinae, the terrestrial civets and the clade (Civettictis, Viverra). Expand
INTERSPECIFIC PATTERNS OF SKULL VARIATION BETWEEN SYMPATRIC BRAZILIAN VESPER MICE: GEOMETRIC MORPHOMETRICS ASSESSMENT
TLDR
The combination of geometric morphometrics and pattern recognition techniques seems suitable for systematic analyses aimed at elucidating interspecific patterns of morphological variation in closely related species in field studies and museum specimens. Expand
Taxonomic revision of the Dasypus kappleri complex, with revalidations of Dasypus pastasae (Thomas, 1901) and Dasypus beniensis Lönnberg, 1942 (Cingulata, Dasypodidae).
TLDR
The aim of this work is to clarify the taxonomy of Dasypus kappleri through integrative morphological and morphometric analyses and recognizes three allopatric groups, each with diagnostic qualitative and quantitative traits, that are recognized as full species. Expand
Inferring adaptation within shape diversity of the humerus of subterranean rodent Ctenomys
TLDR
Analysis of the humerus of four species of Ctenomys from southern Brazil revealed unexpected patterns because C. lami was the species phenetically more distant from C. flamarioni and not C. torquatus as expected from ecological data and phylogenetic relationships. Expand
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