Retired Research Zoologist and Curator of Amphibians and Reptiles (Distinguished Honorary Scientist) at the National Museum of Natural History, Smithsonian Institution. Research interests: systematics and evolution of Reptilia/Squamata and the principles, concepts, and methods of systematic biology.
研究方向
Evolution and Paleontology StudiesAmphibian and Reptile BiologySpecies Distribution and Climate ChangePlant Diversity and EvolutionPaleontology and Evolutionary Biology
