, Volume 595, Issue 1, pp 593–598 | Cite as

Global diversity of turtles (Chelonii; Reptilia) in freshwater

  • Roger Bour


The turtles are an evolutionary ancient group of tetrapod vertebrates, and their present-day distribution and diversity reflects the long and complex history of the taxon. Today, about 250 of the total of 320 species recognized are freshwater turtles; most of these inhabit tropical and subtropical zones. Diversity hotspots occur in Southeast North America, regarding Emydidae, and in the Indo-Malayan region, mostly Geoemydidae and Trionychidae. Chelidae are predominantly Neotropical and Australasian, while Pelomedusidae are African. The majority of genus- and species-level taxa are regional or even local endemics. A majority of freshwater turtles are threatened in varying degrees, mostly by habitat modification and collection.


Biodiversity Zoogeography Chelonii Review 



I thank Estelle Balian for her patience and support, and Peter Paul van Dijk for his fruitful comments as reviewer.


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Copyright information

© Springer Science+Business Media B.V. 2007

Authors and Affiliations

  1. 1.Reptiles et Amphibiens, Systématique et EvolutionMuséum national d’Histoire naturelleParisFrance

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