Speciation, species boundaries and phylogeography of amphibians. In: Heatwole H, Tyler MJ, editors. Amphibian Biology. Vol Volume 7. Surrey Beatty and Sons; 2007.
Comparative larval morphology of Madagascan toadlets of the genus Scaphiophryne: phylogenetic and taxonomic inferences. Zoological J. Linnean Society . 2007;151:555-576. Abstract
Novel phylogenetic relationships of the enigmatic brevicipitine and scaphiophrynine toads as revealed by sequences from the nuclear Rag-1 gene. Proc. R. Soc. Lond. B (Biol. Letters Suppl.). 2004;271:378-81. Abstract
