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The first part of this synthesis summarizes the morphology of the jelly layers surrounding an amphibian ovum. We propose a standard terminology and discuss the evolution of jelly layers. The second part reviews the morphological diversity and arrangement of deposited eggs—the ovipositional mode;...
We provide a taxonomic diagnosis and discussion of the frogs of the Rana papua group within Milne Bay Province, the southeasternmost extent of New Guinea and associated offshore islands. Six members of the R. papua species group occur in the province. We rediagnose R. grisea , known with...
South American Stenocercus lizards occur mostly in the Andes and adjacent lowland areas from northern Colombia and Venezuela to central Argentina at elevations of 0–4000 m. In this paper, 61 species of Stenocercus are recognized, including one resurrected as S. angulifer . Morphologically, S....
The Draco lineatus group is a monophyletic assemblage confined to islands within Wallacea. Nine species are recognized, including two described as new. For each species, a synonymy, diagnosis, description of squamation and color pattern, and summaries of distribution and natural history are...
Members of the Eleutherodactylus fraudator species group occur in Bolivia and Peru. This group has not been reviewed since its proposal and description. Its putative monophyly has not been tested and its phylogenetic relationships are still unresolved. It was included in the Central American...
This paper contains a synopsis of the genus Phrynopus in Bolivia, including the description of twelve new species. With seventeen species currently known, the genus has a much higher diversity in Bolivia than previously expected. Whereas intraspecific variation is evident only in color pattern,...
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