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Erosion of Lizard Diversity by Climate Change and Altered Thermal Niches
Global extinction projections were validated with local extinctions observed from 1975 to 2009 for regional biotas on four other continents, suggesting that lizards have already crossed a threshold for extinctions caused by climate change.
Mitochondrial DNA Sequence Divergence and Phylogenetic Relationships among Eight Chromosome Races of the Sceloporus Grammicus Complex (Phrynosomatidae) in Central Mexico
A single most-parsimonious tree was selected from among these on the basis of a new character-weighting method that takes into account the observed frequencies of all 12 possible substitutions for protein genes.
Revisiting the historical distribution of Seasonally Dry Tropical Forests: new insights based on palaeodistribution modelling and palynological evidencegeb
- F. Werneck, G. C. Costa, G. Colli, Darien E. Prado, J. Sites
- Environmental Science, Geography
- 1 March 2011
Aim To investigate the potential distribution of Seasonally Dry Tropical Forests (SDTFs) during the Quaternary climatic fluctuations; to reassess the formerly proposed ‘Pleistocenic arc hypothesis’…
Delimiting species: a Renaissance issue in systematic biology
Phylogeny of iguanian lizards inferred from 29 nuclear loci, and a comparison of concatenated and species-tree approaches for an ancient, rapid radiation.
Resolving the phylogeny of lizards and snakes (Squamata) with extensive sampling of genes and species
Higher-level squamate phylogeny is analysed with a molecular dataset of unprecedented size, including 161 squamate species for up to 44 nuclear genes each (33 717 base pairs), using both concatenated and species-tree methods for the first time, and it is found that dibamids and gekkotans are together the sister group to all other squamates.
Phylogenetic relationships and limb loss in sub-Saharan African scincine lizards (Squamata: Scincidae).
Around the world in 10 million years: biogeography of the nearly cosmopolitan true toads (Anura: Bufonidae)
The origin of the enigmatic Caribbean lineage was found to be consistent with colonization following the bolide impact at the K/T boundary, providing the first, firm foundation for understanding true toad divergence times and their truly remarkable and global radiation.
A molecular perspective on the evolution of microteiid lizards (Squamata, Gymnophthalmidae), and a new classification for the family
The total molecular evidence provided a better-resolved hypothesis than did separate analysis of individual partitions, and the PBS analysis indicates congruence among independent partitions for support of some internal nodes.
Integrated Analyses Resolve Conflicts over Squamate Reptile Phylogeny and Reveal Unexpected Placements for Fossil Taxa
It is found that integrating molecular, morphological, and paleontological data leads to surprising placements for two major fossil clades (Mosasauria and Polyglyphanodontia) and the importance of combining fossil and molecular information is demonstrated.