collected in Venezuela, Trinidad, Brazil and Panama, including 12 taxa known to be toxic to
humans. Our phylogenetic reconstruction is based on 850 nucleotides of the combined
cytochrome oxidase subunit I and 16S rRNA genes for most species, and centered on
Venezuelan scorpions owing to the detailed taxonomic and biogeographic information
available for Tityus in this region. The principal phylogenetic result was the strong support …