Initial diversification of living amphibians predated the breakup of Pangaea. American Naturalist. 2005;165:590-9. Abstract
Phylogeny of caecilian amphibians (Gymnophiona) based on complete mitochondrial genomes and nuclear RAG1. Molecular Phylogenetics and Evolution. 2004;33:413-27. Abstract
On the origin of and phylogenetic relationships among living amphibians. Proceedings of the National Academy Sciences, USA. 2001;98:7380-3. Abstract
Mitochondrial evidence on the phylogenetic position of caecilians (Amphibia: Gymnophiona). Genetics. 2000;155:765-75. Abstract
