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A molecular perspective on the phylogeny of the Hyla pulchella species group (Anura, Hylidae).
TLDR
A molecular phylogenetic analysis of the Hyla pulchella species group was performed to test its monophyly, explore the interrelationships of its species, and evaluate the validity of the taxa that were considered subspecies, showing that the H. pulChella and HylA circumdata groups are distantly related, and should be recognized as separate groups.
A phylogenetic analysis of Pleurodema (Anura: Leptodactylidae: Leiuperinae) based on mitochondrial and nuclear gene sequences, with comments on the evolution of anuran foam nests
TLDR
A phylogenetic analysis of Pleurodema, including all described species and several outgroups, indicates the non‐monophyly of several species groups proposed previously and shows a striking pattern of variation in presence/absence of lumbar glands.
Phylogenetic relationships of a Patagonian frog radiation, the Alsodes + Eupsophus clade (Anura: Alsodidae), with comments on the supposed paraphyly of Eupsophus
TLDR
The phylogenetic pattern recovered for Alsodes and Eupsophus suggests a trans‐ Andean origin and diversification of the group, with multiple, independent ingressions over cis‐Andean regions.
The earliest known frogs of the Jurassic of South America: Review and cladistic appraisal of their relationships
Fil: Baez, Ana Maria. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Geologia. Catedra de Paleontologia; Argentina. Consejo Nacional de Investigaciones
Review of the Geographic Distribution of Diploid and Tetraploid Populations of the Odontophrynus Americanus Species Complex (Anura: Leptodactylidae)
TLDR
It is indicated that there is a complex distribution pattern of populations of different ploidy, including areas of syntopy and sympatry, and cytogenetic variability, which could indicate the presence of more species, occurrence of auto and allopolyploidsy, and multiple origins of tetraploidy.
Scorched mussels (BIVALVIA: MYTILIDAE: BRACHIDONTINAE) from the temperate coasts of South America: phylogenetic relationships, trans-Pacific connections and the footprints of Quaternary glaciations.
TLDR
This study addresses aspects of the phylogeny and phylogeography of scorched mussels from southern South America as well as their ecophylogenetic implications, and concludes that the assembly of communities cannot be explained solely in terms of environmental drivers, as history also matters.
Distinctness, phylogenetic relations and biogeography of intertidal mussels (Brachidontes, Mytilidae) from the south-western Atlantic
TLDR
The hypothesis that B. purpuratus from the earlier Quaternary marine terraces of Patagonia likely result from a relatively recent (post-LGM) colonization originated from populations in the south-eastern Pacific is proposed.
A New Species of Melanophryniscus Gallardo, 1961 (Anura: Bufonidae), with Comments on the Species of the Genus Reported for Misiones, Northeastern Argentina
TLDR
A new species of bufonid toad from the province of Misiones, northeastern Argentina, is described and is included in the stelzneri group and is most similar to Melanophryniscus atroluteus than to any other species.
A REVISION OF ODONTOPHRYNUS BARRIOI (ANURA: NEOBATRACHIA): MORPHOLOGY, OSTEOLOGY, VOCALIZATIONS, AND GEOGRAPHIC DISTRIBUTION
TLDR
Diagrams from external morphology and osteology are provided that reinforce the specific recognition of the frog Odontophrynus barrioi and describe its advertisement and encounter calls, which increase considerably the range of this previously poorly known species.
A new genus of neobatrachian frog from southern Patagonian forests, Argentina and Chile
TLDR
The monotypic genus Chaltenobatrachus is described, with Telmatobius grandisonae (Lynch) serving as the type species, which differs from Atelognathus mainly in having a uniform bright green dorsal coloration.
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