New karyotype for Mesomys stimulax (Rodentia, Echimyidae) from the Brazilian Amazon: A case for species complex? [PDF]
Ecology and Evolution, 2021 Mesomys Wagner, 1845 (Rodentia, Echimyidae, Eumysopinae) currently has four recognized species, three of which occur in Brazil: Mesomys hispidus (probably a species complex), M. occultus, and M. stimulax.
Stella Miranda Malcher +6 more
doaj +6 more sources
A new species of Echimys Cuvier, 1809 (Rodentia, Echimyidae) from Brazil [PDF]
Papeis Avulsos De Zoologia, 2005 Here we describe a new species of Echimyidae Amazonian rodent, Echimys vieirai sp. nov., based on two individuals from the south bank of Amazon river between the lower Madeira river to the right bank of the Tapajós, respectively in the Brazilian states ...
Alexandre Reis Percequillo
exaly +8 more sources
Host-adaptation of the rare Enterocytozoon bieneusi genotype CHN4 in Myocastor coypus (Rodentia: Echimyidae) in China [PDF]
Parasites & Vectors, 2020 Background Enterocytozoon bieneusi is a zoonotic gastrointestinal pathogen and can infect both humans and animals. The coypu (Myocastor coypus) is a semi-aquatic rodent, in which few E.
Fuchang Yu +6 more
doaj +6 more sources
First report of partial albinism in genus Thrichomys (Rodentia: Echimyidae) [PDF]
Papéis Avulsos de Zoologia, 2014 Reports about albinism in rodents are common. In the family Echimyidae, however, albinism is very rare. This is the second case of coat color variation reported within Echimyidae and the first for the genus Thrichomys. The pelages of Thrichomys pachyurus
Antonio Carlos da S.A. Neves +3 more
doaj +10 more sources
New karyotype records for the genus Proechimys (Rodentia: Echimyidae) from Brazilian Amazonia [PDF]
Genetics and Molecular Biology, 2020 We present new karyotype records for six Proechimys species from the Brazilian Amazon. P. echinothrix from the region of Purus River had 2n = 32 chromosomes and a FN = 58, while P. cuvieri from the region of the Japurá River presented 2n = 28 and FN = 46.
Eduardo Schmidt Eler +3 more
doaj +9 more sources
Description of Pudica wandiquei n. sp. (Heligmonellidae: Pudicinae), a nematode found infecting Proechimys simonsi (Rodentia: Echimyidae) in the Brazilian Amazon [PDF]
Brazilian Journal of Biology, 2021 A new species of nematode parasite of the subfamily Pudicinae (Heligmosomoidea: Heligmonellidae) is described from the small intestine of Proechimys simonsi (Rodentia: Echimyidae) from the locality of Nova Cintra in the municpality of Rodrigues Alves ...
B. E. Andrade-Silva +2 more
doaj +3 more sources
Diversification of Amazonian spiny tree rats in genus Makalata (Rodentia, Echimyidae): Cryptic diversity, geographic structure and drivers of speciation. [PDF]
PLoS One, 2022 Amazonian mammal diversity is exceptionally high, yet new taxonomic discoveries continue to be made and many questions remain for understanding its diversification through time and space. Here we investigate the diversification of spiny rats in the genus
Miranda CL +8 more
europepmc +4 more sources
Karyotypic diversity within the genus Makalata (Echimyidae: Echimyinae) of Brazilian Amazon: Chromosomal evidence for multiple species. [PDF]
PLoS One, 2020 The genus Makalata is a taxonomically complex group of rodents on which few cytogenetic studies have been performed. Most of the published karyotypes were described based only on conventional chromosome staining.
Pereira AL +4 more
europepmc +4 more sources
First records of Echimys saturnus Thomas, 1928 (Rodentia, Echimyidae) for the Peruvian Yungas [PDF]
Check List, 2021 Echimys saturnus Thomas, 1928 is an echimyid rodent that has been recorded in lowland, premontane and montane forests in Ecuador and lowland forests in Peru. Here, we report five new records of this species in the Peruvian Yungas ecoregion.
Yangjosé Juárez-Pérez +5 more
doaj +6 more sources
Cytogenetic analyses in Trinomys (Echimyidae, Rodentia), with description of new karyotypes [PDF]
PeerJ, 2018 Trinomys Thomas (1921) is a terrestrial genus of spiny rats endemic to the Brazilian areas of Atlantic Forest and the transitional areas of Cerrado and Caatinga. Although most species have been already karyotyped, the available cytogenetic information is
Naiara Pereira Araújo +3 more
doaj +5 more sources