The wiegmannii group of Liolaemus includes L. lutzae, L. occipitalis, L. multimaculatus, L.
rabinoi, L. riojanus, L. salinicola, L. scapularis, and L. wiegmannii; the status of L. cranwelli …

We provide a critical review of a recent taxonomic revision of Chilean Liolaemus lizards
(Iguania: Liolaemidae) by Pincheira-Donoso and Núñez (2005) and a recent paper …

The known diversity of dart-poison frog species has grown from 70 in the 1960s to 247 at
present, with no sign that the discovery of new species will wane in the foreseeable future …

Haplotype phylogenies based on DNA sequence data are increasingly being used to test
traditional species-level taxonomies based on morphology. However, few studies have …

Many aspects of morphological phylogenetics are controversial in the theoretical
systematics literature and yet are often poorly explained and justified in empirical studies. In …

In this study I provide a phylogenetic hypothesis for the tribe Oryzomyini that can be used to
understand the diversification and evolution of this group of rodents and to revise the current …

Biogeographic relationships among nine montane areas of endemism across the transition
zone between North and South America are analysed cladistically based on phylogenetic …

Abstract—Science progresses through the development of integrative theories that unify
more and more subsidiary theories. Progress in phylogenetic theory comes from mutual …

The use of discrete, intraspecifically variable characters in parsimony analysis is reviewed.
Seven data sets (two from morphology and five from allozymes) were analyzed to (1) …

The hylid frog genus Scinax ranges from southern Mexico to eastern Argentina. The 84
recognized species are currently arranged in five groups: the Scinax rubra, Scinax rostrata …