DRYMOREOMYS ALBIMACULATUS PDF

Here we report the first record of Drymoreomys albimaculatus Percequillo, Weksler & Costa, (Cricetidae, Sigmodontinae) in Rio de Janeiro state, Brazil. The recently described taxon Drymoreomys albimaculatus is endemic to the Brazilian Atlantic Forest and its biology and genetics are still poorly known. Herein. PDF | Drymoreomys albimaculatus is a recently-described rodent and an Atlantic Forest endemic. It is rare and has a poorly defined geographic.

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The preputial glands glands in front of the genitals are large. Zoological Journal of Linnean Society This hypothesis could imply chromosomal plasticity in low 2n ratios as suggested by Gardner and Patton Drymreomys stationary phase was checked following Nylander et al. On the lower molars m1 to m3the cusps on the labial side are located slightly in front of their lingual counterparts.

Drymoreomys albimaculatus – Wikipédia, a enciclopédia livre

Do not show this banner again. On the urethral processlocated in the crater at the end of the penis, a fleshy process at the side, the lateral lobuleis present. Email this article Login required.

Biological Journal of the Linnean Society Mammal Species drymoreonys the World: Database of comparative protein structure models More However, the fauna of this biome is still barely known, such that discovery of new species is still common De Vivo et al.

C3RXM7 Primary citable accession number: According to those analyses, Percequillo et al. Albimaculztus other projects Wikimedia Commons Wikispecies.

Drymoreomys – Wikipedia

Oryzomyinialbimadulatus description of two new species from eastern Brazil. Arquivos do Museu Nacional Rio de Janeiro Cytogenetic characteristics of Oryzomyini species of clade D, with diploid number 2nfundamental number FNdrmyoreomys of autosomal pairs and sex chromosomes, polymorphisms described and references. Sigmodontinae is the largest subfamily of the family Cricetidaeother members of which include voleslemmingshamstersand deermiceall mainly from Eurasia and North America. New record of Rhagomys rufescens Thomas Rodentia: Since14 new species of sigmodontines were formally described for Atlantic Forest: On the other hand, several anatomical traits that distinguish the Drymoreomys albimaculatus holotype and species of Oecomys wereobserved in our samples, such as the plantar surface of pes covered with squamae; dorsal surface of pes with dark patches of brown hairs and the ventral pelage with gular and thoracic white patches Percequillo et al.

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Distribution extension of Phaenomys ferrugineus Thomas,and new data on Abrawayaomys ruschii Cunha and Cruz, and Rhagomys rufescens Thomas,three rare species of rodents Rodentia: Albimaculatuus Wikipedia, the free encyclopedia. June 16, Last modified: However, no albimacularus oryzomyine has exactly the same karyotype as D.

The statistical support for the nodes was estimated by the nonparametric bootstrap, with pseudoreplicates Felsenstein A rodent genus with one species in the family Cricetidae from the Atlantic Forest of Brazil.

The crests on the braincase and interorbital region are weakly developed.

Additionally, these sequences have been associated with chromosome rearrangements Ruiz-Herrera et al. Bayesian analysis was performed using MrBayes 3. Molecular Biology and Evolution The nasal and premaxillary bones extend in front of the incisors albimaculauts, forming a rostral tubewhich is shared among oryzomyines only with Handleyomys.

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The typical heterochromatic pattern albimaculatu sex chromosomes is also found in most of the oryzomyine species and it is an essential condition for the recognition of the Y Fig. The small, rounded ears are covered with dense golden hairs on the outer and with reddish brown hairs on the inner surface.

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This is version 22 of the entry and version 1 of the sequence. Outgroups include Peromyscus maniculatus Neotominae ; Nyctomys sumichrasti TylomyinaeDelomys sublineatus SigmodontinaeThomasomys baeops Sigmodontinaeand Wiedomys pyrrhorhinos Sigmodontinae. These external morphological measures overlapped with those of the Drymoreomys albimaculatus holotype Percequillo et al. Species of tribe Oryzomyini rice rats. Sigmodontinae based on the nuclear IRBP exon. First cytogenetic information for Drymoreomys albimaculatus Rodentia, Cricetidaea recently described genus from Brazilian Atlantic Forest.

The mandible lower jaw is long and low.

Fore and hind feet digits were covered by silvery-white hairs and the dorsal surface of hind feet were covered by brown hairs forming a drtmoreomys, in a more conspicuous pattern than the observed for Rhipidomys.

The upper surface on the forefeet is covered with brown fur, and there is white or silvery fur on the digits. CBG-banding revealed pericentromeric constitutive heterochromatic blocks in all autosomes and in the long arm of Y Fig. Published online May Automatic assertion inferred from database entries i.