Research Projects
- Systematics of the scincid lizard genus Sphenomorphus in New Guinea and the Solomon Islands (collaboration with Fred Kraus and Allen Allison, Bishop Museum; Steve Richards, South Australian Museum)
- Systematics and natural history of the lizard fauna of New Caledonia
(collaboration with Ross Sadlier, Australian Museum; Aaron Bauer, Villanova University; Hervé Jourdan, IRD, New Caledonia) - Male reproductive cycles of Australian elapid snakes (collaboration with Rick Shine, School of Biological Sciences, University of Sydney)
- Systematics of the Australian skinks of the Egernia striolata species-group (collaboration with Sarah Smith, Charles Darwin University; Ross Sadlier, Australian Museum)
- Phylogenetic systematics of pygopodid lizards (collaboration with Arnold Kluge, University of Michigan)
- Reproductive biology of Australian lizards.
- Systematics of Australian typhlopid snakes.
- History of Australian herpetology.