With over 500,000 specimens from round the world, this collection is located in Washington, DC, USA...
Introduction to the taxonomy of Amphibia, including Salientia (frogs and toads), Caudata (salamande...
A searchable catalog of the recognized amphibian species of the world with synonymies and reference...
Explores morphology, ecology and evolution.
A compilation of current and historic records of amphibian occurrences in the United States, with r...