Results 71 to 80 of about 652 (146)
In this contribution, the first anuran fossils from classical Santacrucian localities of the Río Santa Cruz are described. According to proportions and features recognized in the few skull elements recorded, the remains are assigned to the southern ...
Paula Muzzopappa
doaj
Allophryne ruthveni is a neotropical arboreous frog assigned to a monotypical family. Although A. ruthveni's relationships remain poorly known, most of authors searched relationships with neotropical treefrogs in spite of the absence of teeth was an early evidence to relate it with bufonids.
Fabrezi, Marissa, Langone, José A.
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Desarrollo del esqueleto larvario y musculatura asociada en el género <i>Batrachyla</i> Bell 1843 (Anura: neobatrachia) y sus relaciones filogenéticas interespecíficas [PDF]
El presente trabajo comprende dos objetivos. El primero está referido al desarrollo, desde larva hasta adulto, del esqueleto y los músculos en las especies del género Batrachyla. El segundo es realizar un análisis cladístico del género. Batrachyla es un género neotropical de Anuros Neobatracios compuesto por cinco especies distribuidas por los bosques ...
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Ribosomal DNA and the Phylogeny of Frogs [PDF]
Phylogenetic analysis of 1656 aligned sites in the 28S ribosomal RNA gene of frogs supports some of the recently recognized higher groups of anurans but provides counter-support for others.
Ammerman, Loren K. +3 more
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The frog genus Atelognathus is currently represented by nine species distributed in Argentinean and Chilean Patagonia. It is mainly distributed in Argentina, and there are only three species in Chile (A. ceii, A. grandisonae and A. jeinimenensis). Regarding the morphological relationships among Atelognathus species, Meriggio et al.
Diaz Paez, Helen +4 more
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Fil: Muzzopappa, Paula. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Geología. Laboratorio de Paleontología Evolutiva de Vertebrados; Argentina.
Muzzopappa, Paula, Nicoli, Laura
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Se recopilan las diferentes asignaciones en cuanto a familia que han sido formuladas hasta la fecha para el género Geobatrachus. Mediante la recolección de una serie de topótipos virtuales de este género monotípico, endémico del sector noroeste del ...
Ardila Robayo María Cristina
doaj
Herpetofauna of the Puna of Argentina: a synthesis [PDF]
La Puna constituye una región muy particular por sus características geográficas y climáticas. En este ambiente extremo vive un conjunto sumamente interesante de anfibios y reptiles.
Abdala, Cristian Simón +1 more
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New distribution records, habitat description and comments on the natural history of the poorly known frog Atelognathus solitarius (Anura, Batrachylidae) from northwestern Patagonia, Río Negro Province, Argentina [PDF]
Atelognathus solitarius is probably the least-known species of its genus. The species was described in 1970 based on a single specimen from the Las Bayas Creek, Río Negro Province, Argentina; later publications that reported new specimens did not provide
Barrasso, Diego Andrés +3 more
core
Fil: Riguetti, Facundo. Universidad Maimónides. Área de Investigaciones Biomédicas y Biotecnológicas. Centro de Estudios Biomédicos, Biotecnológicos, Ambientales y de Diagnóstico; Argentina. Fundación de Historia Natural Félix de Azara; Argentina.
Fornari, Tomás +2 more
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