London: Christopher Helm, (2003. third edition). Quarto, dustwrapper,

WAS $180. Five regional consultants have assisted with a thorough and rigorous reassessment of all taxonomic data, making this an accurate and comprehensive checklist. Introductory sections include a discussion of the relative attributes of the biological species concept and the phylogenetic species concept which are critical to an understanding of taxonomy and related issues. Additionally, new developments in taxonomy are discussed, and areas are highlighted where a new consensus appears likely to emerge in the near future.