Developmental sequence of the chondrocranium in the obligate carnivorous larvae of Lepidobatrachus laevis (Amphibia: Ceratophryidae). [PDF]
Anat Rec (Hoboken)The vertebrate head and its skull represent a significant innovation that has played a key role in the evolutionary and ecological success of vertebrates.
Hernández-Nieto S +2 more
europepmc +4 more sources
The origin of modern frogs (Neobatrachia) was accompanied by acceleration in mitochondrial and nuclear substitution rates [PDF]
BMC Genomics, 2012 Background Understanding the causes underlying heterogeneity of molecular evolutionary rates among lineages is a long-standing and central question in evolutionary biology.
Irisarri Iker +5 more
doaj +4 more sources
Identidad de la rana austral chilena Eupsophus coppingeri (Amphibia, Anura, Neobatrachia): evidencias morfológicas, cromosómicas y moleculares Identity of the austral Chilean frog Eupsophus coppingeri (Amphibia, Anura, Neobatrachia): morphological, chromosomic and molecular evidences [PDF]
Revista Chilena de Historia Natural, 2008 Análisis comparativos que incluyen: morfología externa de adultos y larvas, osteología, cromosomas y secuencias del gen mitocondrial citocromo b muestran que la rana austral chilena Eupsophus coppingeri (Günther 1881) es una especie del género Alsodes ...
J. RAMÓN FORMAS +2 more
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Phyllomedusa: Journal of Herpetology, 2008 The frog Atelognathus patagonicus (Gallardo, 1962) is endemic to an endorheic pond system in basaltic basins, in Laguna Blanca National Park and its surroundings, in northwest Argentinean Patagonia.
María Elena Cuello +2 more
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Positive Selection of TLR2 and MyD88 Genes Provides Insights Into the Molecular Basis of Immunological Adaptation in Amphibians. [PDF]
Ecol EvolWe found that recurrent positive selection has acted on TLR2 and MyD88 in amphibians and positively selected sites were mainly located at or close to function domains. Our results suggest that amphibians have adapted to different pathogenic microorganisms during their transition from the aquatic to terrestrial environment and diversification into ...
Zhang J +8 more
europepmc +2 more sources
Cloning, characterization, and evolutionary patterns of KCNQ4 genes in anurans. [PDF]
Ecol EvolIn this study, we cloned and obtained the coding regions of a high‐frequency hearing‐related gene (KCNQ4) from 11 representative anuran species and determined the evolutionary patterns of KCNQ4 in anurans. The highly conservation and functional importance of the KCNQ4 genes in anurans were determined and the KCNQ4 genes were under different ...
Guo Y +6 more
europepmc +2 more sources
Suction Feeding in Dendropsophus cerradensis Tadpoles: New Behavioral Observations and Morphological Traits in a Member of the D. microcephalus Group (Anura, Hylidae). [PDF]
J MorpholThe tadpole of Dendropsophus cerradensis exhibits an oral tube completely covered by external folds. The feeding behavior is characterized by an oral tube that protrudes exclusively during predation. This macrophagy feeding is associated with a buccopharyngeal cavity reduced in features, robust mandibular and hyoid musculature, as well as a modified ...
Marcondes BC +8 more
europepmc +2 more sources
Amphibians and Reptiles Exhibit Different Ecological and Evolutionary Spatial Patterns in the Amazon Basin. [PDF]
Ecol EvolThis study investigates the spatial variability of ecological and evolutionary patterns in amphibian and reptile lineages within the Amazon Basin. Our findings highlight distinct diversity patterns across lineages and ecoregions. ABSTRACT Understanding spatial variability in ecological and evolutionary patterns is key to Amazonian biodiversity ...
López-Rojas JJ +3 more
europepmc +2 more sources
Morphological evolution of Ceratophryinae (Anura, Neobatrachia) [PDF]
Journal of Zoological Systematics and Evolutionary Research, 2006 Body form is one of the major consequences of development, and diversification of body shapes implies developmental changes among species. In anurans, changes in the timing of developmental events or heterochrony, have been emphasized as a source of variation in the patterns of development that has lead to diverse morphology.
Fabrezi, Marissa, Quinzio, Silvia Inés
openaire +4 more sources
A new genus of fossil frog (Anura) from lower Cretaceous deposits in South America
Anais da Academia Brasileira de Ciências, 2021 The frog clade Neobatrachia or “advanced frogs” represents more than 95% of the diversity within Anura. The neobatrachian fossil record is incomplete due to the small size and fragile nature of their bones but provides some clues on the time and rate of ...
PEDRO HENRIQUE A.G. MOURA +3 more
doaj +1 more source