Conserved bone microstructure in the she
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Torsten M. Scheyer
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Article
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2009
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John Wiley and Sons
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English
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Extant and fossil chelids are restricted to South America and Australasia. Based on morphological data, long-necked and short-necked chelids are hypothesised to form natural groups respectively, whereas molecular and serological data indicate South American and Australasian chelids are monophyletic,