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Phylogenies including these fossil taxa show that paddle\u2010like limbs were independently derived, and that the varied limb morphologies were produced by evolutionary modifications to different aspects of the limb skeleton. Ancient marine reptiles modify the limb by reducing the relative size of the epipodials, modifying the perichondral and periosteal surface of elements distal to the propodials, and evolving extremes of hyperphalangy and hyperdactyly. Developmental genetic models illuminate gene systems that may have controlled limb evolution in these animals. \u00a9 2002 Wiley\u2010Liss, Inc.<\/jats:p>","DOI":"10.1002\/ajmg.10773","type":"journal-article","created":{"date-parts":[[2002,10,9]],"date-time":"2002-10-09T05:01:24Z","timestamp":1034139684000},"page":"236-249","source":"Crossref","is-referenced-by-count":61,"title":["From fins to limbs to fins: Limb evolution in fossil marine reptiles"],"prefix":"10.1002","volume":"112","author":[{"given":"Michael 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