Normal embryonic stages of the western p
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I. Y. Mahmoud; John Klicka; George L. Hess
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Article
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1973
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John Wiley and Sons
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English
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## Abstract Twentyβthree stages in the embryonic development of the western painted turtle, __Chrysemys picta bellii__ are described. The staging is based primarily on morphological changes, as well as age and size of the embryo.