Results 201 to 210 of about 2,933 (233)

Discovery of Juliomys (Rodentia, Sigmodontinae) in Paraguay, a new genus of Sigmodontinae for the country's Atlantic Forest

mammalia, 2009
1 Department of Biological Sciences, Texas Tech University, Lubbock, TX 79409, USA, e-mail: j.salazar-bravo@ttu.edu 2 Departamento de Zoologia, Universidad de Concepcion, casilla 160-C, Concepcion, Chile 3 Instituto de Investigacion Biologica del Paraguay, Del Escudo 1607, 1429, Asuncion, Paraguay 4 Departamento de Biologia, Facultad de Ciencias ...
Noé de la Sancha, Guillermo D'Elía, Flavia Netto, Pastor Pérez, Jorge Salazar-Bravo   +4 more
openaire   +1 more source

Systematic Revision of Thomasomys cinereus (Rodentia: Cricetidae: Sigmodontinae) from Northern Peru and Southern Ecuador, With Descriptions of Three New Species

Bulletin of the American Museum of Natural History, 2023
Thomasomys cinereus is the type species of Thomasomys, type genus of the sigmodontine tribe Thomasomyini. As currently recognized, Thomasomys includes 48 species, all of which are endemic to humid montane or premontane forests in the tropical Andes ...
V. Pacheco, Dennisse Ruelas
semanticscholar   +1 more source

Monoecocestus (Cestoda: Anoplocephalidae) diversity in Sigmodontinae rodents characterized by morphology and molecular methods.

Zootaxa, 2023
This paper provides new morphological and molecular data for identifying Monoecocestus species from rodents: a) morphological update of Monoecocestus spp., b) morphological data on Anoplocephalidae taxa from Sigmodontinae rodents, c) analyses of the ...
N. B. G. Martins, M. Robles, Graciela Teresa Navone, R. Callejón   +3 more
semanticscholar   +1 more source

Description of a New Genus and Species of Semi-Aquatic Rodent (Cricetidae, Sigmodontinae, Ichthyomyini) from the Southern Peruvian Andes

Diversity
We describe a new genus and species of the tribe Ichthyomyini (Rodentia: Sigmodontinae) based on three specimens collected in Machupicchu, Cusco, in the southern Peruvian Andes.
H. Zeballos, Alexánder Pari, César E. Medina, Kateryn Pino, Sandra Arias, Alayda L. Arce, Fiorella N. Gonzales   +6 more
semanticscholar   +1 more source

Enlarging the knowledge on the Ecuadorean rodent Rhagomys septentrionalis (Cricetidae: Sigmodontinae) with remarks on rarity in sigmodontines

Mammalia (Paris), 2023
The cricetid rodent Rhagomys septentrionalis was previously known only from its type locality in Ecuador. Four new records are reported here, documenting a northward range extension of about 300 km.
Carlos Nivelo-Villavicencio, J. Brito, A. Quezada, Leonardo Alava, Ulyses E J. Pardinas   +4 more
semanticscholar   +1 more source

Life history variation of the Hairy-tailed Akodont (Necromys lasiurus, Rodentia, Sigmodontinae) in the Caatinga biome of northeastern Brazil

Journal of Mammalogy, 2023
Rodents are notable for their unique life history traits that render a fast-breeding capacity. Their short generation times allow local adaptations to appear, and several studies have tried to understand if—and how—geographical variables influence local ...
G. Sobral, J. de Oliveira
semanticscholar   +1 more source

Karyological data of Pseudoryzomys simplex (Rodentia - Sigmodontinae) from Atlantic Forest biome of Northeastern Brazilian

Brazilian Journal of Mammalogy
Pseudoryzomys simplex is small to medium-sized rodent, with terrestrial and semi-aquatic habits, generally associated with open areas of plains with heavy seasonal rainfall along the Chaco, Cerrado and Caatinga.
J. F. S. Lima
semanticscholar   +1 more source

Range extension of the endangered rodent Rhipidomys tribei (Cricetidae: Sigmodontinae) in Southeastern Brazil

Zoologia (Curitiba)
The arboreal rodent Rhipidomys tribei Costa, Geise, Pereira & Costa, 2011, which is endemic to Southeast Brazil, is a sparsely documented species, with only five confirmed published records, mainly in the mountainous areas of the Atlantic Forest and the ...
R. Vilela, M. C. S. Ribeiro, R. O. Lanes, Bernardo R. Teixeira, Tatiana P. T. de Freitas, M. Weksler, C. Bonvicino   +6 more
semanticscholar   +1 more source

First record of Laelaps mazzai (Mesostigmata: Laelapidae) in Peru associated with Calomys sorellus (Cricetidae: Sigmodontinae), an endemic rodent, with insights about its morphological variation

Revista de la Sociedad Entomológica Argentina
Laelaps mazzai Fonseca (Mesostigmata: Laelapidae) is a parasitic mite associated with the genus Calomys Waterhouse (Rodentia: Cricetidae) that shows variations on the size of its dorsal shield.
Mario Espinoza-Carniglia, Carla Yauris, Edgardo M. Rengifo, M. Lareschi   +3 more
semanticscholar   +1 more source

A craniomandibular appraisal of size and shape variation in the genus Holochilus (Cricetidae, Sigmodontinae) by means of geometric morphometrics

Journal of Mammalogy
Marsh rats of the genus Holochilus are medium to large-sized amphibious sigmodontines, widely distributed across the wetlands and rivers of lowland regions of South America.
Julio Torres, J. J. Martínez, A. Candela, Ulyses E J. Pardinas   +3 more
semanticscholar   +1 more source