Results 71 to 80 of about 1,267 (164)

Flexibility within the middle ears of vertebrates [PDF]

, 2012
Introduction and aims: Tympanic middle ears have evolved multiple times independently among vertebrates, and share common features. We review flexibility within tympanic middle ears and consider its physiological and clinical implications.
Baird, Bell, Burda, Dahmann, Feenstra, Fleischer, Goode, Goode, Ingelstedt, Jørgensen, Kirikae, Kobrak, Larsen, Lenhardt, M J Mason, M R B Farr, Manley, Marquet, Mason, Mason, Mason, Mason, Mills, Narins, Nishihara, Pau, Rosowski, Schuknecht, Segall, Smith, Tideholm, Werner, Wever, Wever, Wever, Yamada, Özcan   +36 more
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Comportamiento social y reproductivo del roedor subterráneo solitario Ctenomys talarum (Rodentia: Ctenomyidae) en condiciones de semicautiverio Social and reproductive behavior of the subterranean solitary rodent Ctenomys talarum (Rodentia: Ctenomyidae) in a seminatural enclosure

Revista Chilena de Historia Natural, 2002
Se estudió el comportamiento social y reproductivo en grupos de individuos del roedor subterráneo Ctenomys talarum (Thomas, 1898) en condiciones seminaturales, que reflejaron la complejidad de las cuevas de la especie así como también la relación de ...
ROXANA R. ZENUTO, ALDO I. VASSALLO, CRISTINA BUSCH   +2 more
doaj  

Five new unexpected populations of endangered tuco-tuco Ctenomys rionegrensis (Rodentia, Ctenomyidae) help understanding its distribution and historical biogeography

Revista Chilena de Historia Natural
In this study, we conducted a survey of newly discovered populations of tuco-tuco (subterranean rodents of the genus Ctenomys) in the Entre Ríos province, in an area characterized by its unexplored nature and its climatic and biogeographic complexity ...
Virginia D. Zelada Perrone, Ivanna H. Tomasco, Matias E. Mac Allister, Cecilia S. Carnovale, Ariel Carmarán, Diego A. Caraballo, Mariano L. Merino, Gabriela P. Fernández   +7 more
doaj   +1 more source

Micromamíferos del Holoceno tardío del sitio arqueológico ?El Shincal de Quimivil?, provincia de Catamarca, Argentina [PDF]

, 2013
En el presente trabajo se analizan las asociaciones de micromamíferos registradas en el sitio arqueológico El Shincal de Quimivil, provincia de Catamarca, Argentina. El yacimiento Representa tres períodos de ocupación humana, abarcando un intervalo entre
Agnolin, Federico L., Bogan, Sergio, Lucero, Sergio, Ortiz, Pablo E.   +3 more
core   +2 more sources

Mammals of late Pleistocene-early holocene of southeast of the province of Cordoba, and their paleoenvironmental implications for the center of Argentina [PDF]

, 2014
Paleontological exploration on the eastern plain of Córdoba Province is scarce, only referring to mammal assemblages from Mar Chiquita lake or San Francisco localities in the northeast of the Córdoba province, or specifi c discoveries in the centre and ...
Cruz, Laura Edith, Luna, Carlos Alberto
core   +1 more source

Cielo reproductivo y estructura etaria de Ctenomys mendocinus (Rodentia, Ctenomyidae) del Piedemonte de Mendoza, Argentina

Ecología Austral, 1996
Se estudiaron las características reproductivas y estructura de edades de una población de Ctenomys mendocinus en un área del Piedemonte andino de Mendoza (1330 msnm).
María I. Rosi, Silvia Puig, Fernando Videla, Mónica I. Cona, Virgilio G. Roig   +4 more
doaj  

Small mammals (Didelphimorphia and Rodentia) from Parque Nacional Lihue Calel, La Pampa Province, Argentina [PDF]

, 2009
Se estudió la comunidad de pequeños mamíferos terrestres (
Bisceglia, Silvina Beatriz Catalina, Fracassi, Natalia Gabriela, Heinonen Fortabat, Sofía, Pereira, Javier Adolfo, Teta, Pablo Vicente   +4 more
core  

Penial morphology in three species of Brazilian Tuco-tucos, Ctenomys torquatus, C. minutus, and C. flamarioni (Rodentia: Ctenomyidae) Morfologia peniana de três espécies de tuco-tuco do Brasil - Ctenomys torquatus, C. minutus e C. flamarioni (Rodentia: Ctenomyidae)

Brazilian Journal of Biology, 2013
The present study analyses the glans penis and baculum morphology of three Brazilian tuco-tucos, Ctenomys torquatus Lichtenstein, 1830, Ctenomys minutus Nehring, 1887 and Ctenomys flamarioni Travi, 1981, in order to identify possible variations and ...
O. Rocha-Barbosa, JSL. Bernardo, MFC. Loguercio, TRO. Freitas, JR. Santos-Mallet, CJ. Bidau   +5 more
doaj  

A brief history of caviomorph rodents as told by the fossil record [PDF]

, 2015
Fil: Vucetich, María Guiomar. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Paleontología VertebradosFil: Arnal, Michelle. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo.
Arnal, Michelle, Deschamps, Cecilia Marcela, Pérez, María Encarnación, Vieytes, Emma Carolina, Vucetich, María Guiomar   +4 more
core  

Unprecedented within-species chromosome number cline in the Wood White butterfly Leptidea sinapis and its significance for karyotype evolution and speciation [PDF]

, 2011
Background Species generally have a fixed number of chromosomes in the cell nuclei while between-species differences are common and often pronounced. These differences could have evolved through multiple speciation events, each involving the fixation of ...
Vladimir A Lukhtanov, Vlad Dincă, Gerard Talavera, Roger Vila   +3 more
core   +2 more sources