Tuatara biodiversity

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Families Sphenodontidae Tuataras

Taxonomy of Tuataras (Rhynchocephalia) Bibliography of Tuataras (Rhynchocephalia) Species richness map of the tuataras (Rhynchocephalia) of the world (click on the map to see larger version) Biodiversity of tuatara species How many tuatara species are there in the World? How many endemic tuataras are there in the World? Chronology of new tuatara species descriptions Frequency (left) Cumulative frequency (right) Which countries and regions have most tuatara species? Ranked list (countries, left map) Ranked list (all regions, right map)