Morphofunctional Space of the Forelimb in Caraguatypotherium munozi (Notoungulata; Mesotheriidae): Insights Into Wrist-Powered Digging. [PDF]
Caraguatypotherium munozi displays a distinctive morphofunctional configuration combining high wrist flexor leverage with reduced elbow mechanical advantage—traits consistent with wrist‐dominated scratch‐digging. Multivariate analyses place it outside the core morphospaces of extant locomotor groups.
Medina-González P, Moreno K.
europepmc +2 more sources
A glimpse on the pattern of rodent diversification: a phylogenetic approach. [PDF]
BACKGROUND: Development of phylogenetic methods that do not rely on fossils for the study of evolutionary processes through time have revolutionized the field of evolutionary biology and resulted in an unprecedented expansion of our knowledge about the ...
Fabre PH +3 more
europepmc +6 more sources
Skull shape and size variation within and between mendocinus and torquatus groups in the genus Ctenomys (Rodentia: Ctenomyidae) in chromosomal polymorphism context [PDF]
We tested the association between chromosomal polymorphism and skull shape and size variation in two groups of the subterranean rodent Ctenomys. The hypothesis is based on the premise that chromosomal rearrangements in small populations, as it occurs in ...
Rodrigo Fornel +2 more
doaj +2 more sources
Social modulation of the daily activity rhythm in a solitary subterranean rodent, the tuco-tuco (Ctenomys sp) [PDF]
South American subterranean rodents are mainly described as solitary and mutual synchronization was never observed among individuals maintained together in laboratory.
Barbara Mizumo Tomotani +3 more
doaj +2 more sources
The conservation status of the tuco-tucos, genus Ctenomys (Rodentia: Ctenomyidae), in southern Brazil [PDF]
The goal of conservation biology should be related to the preservation of species and also to the evolutionary and ecological processes that were responsible to form them and that are still acting. We review the conservation status of the species of tuco-
FA. Fernandes +3 more
doaj +5 more sources
Hybridization between subterranean tuco-tucos (Rodentia, Ctenomyidae) with contrasting phylogenetic positions. [PDF]
AbstractReproductive compatibility usually decreases according to increasing genetic difference and the time of divergence between species. However, the amount of modification required to influence hybridization may vary in different species. Thus, it is extremely important to conduct studies that seek to understand what and how variables influence the
Kubiak BB +10 more
europepmc +5 more sources
La presente nota registra al género Ctenomys en la localidad de Lima, ubicada en el noreste de la provincia de Buenos Aires. Los restos aquí descriptos se encuentran a más de 150 km al norte de las citas previas más septentrionales dentro de la provincia,
Federico L. Agnolin +3 more
doaj +1 more source
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 +1 more source
Roedores da Bacia do Alto Paraguai: uma revisão do conhecimento do planalto à planície pantaneira
A ordem Rodentia representa aproximadamente 39% da diversidade mundial de mamíferos, sendo que para o Brasil são reconhecidos atualmente 76 gêneros e 263 espécies.
Pâmela Castro Antunes +10 more
doaj +1 more source
Ontogeny of long-range vocalizations in a Neotropical fossorial rodent: the Anillaco Tuco-Tuco (Ctenomys sp.) [PDF]
Tuco-tucos (Ctenomys spp.) are subterranean rodents that produce territorial, high intensity long-range vocalizations (LRVs) of broadband and low frequency that are essential for long-distance communication between individuals in different tunnel systems.
Juan Pablo Amaya, Juan Ignacio Areta
doaj +2 more sources

