Tiktaalik (French Wikipedia)

Analysis of information sources in references of the Wikipedia article "Tiktaalik" in French language version.

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  • (en) Peter Spotts, « Fossil fills gap in move from sea to land », The Christian Science Monitor,‎ (lire en ligne [archive du ], consulté le )

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  • (en) Catherine A. Boisvert, Elga Mark-Kurik et Per E. Ahlberg, « The pectoral fin of Panderichthys and the origin of digits », Nature, vol. 456, no 7222,‎ , p. 636–638 (PMID 18806778, DOI 10.1038/nature07339, Bibcode 2008Natur.456..636B, S2CID 2588617, lire en ligne [archive du ], consulté le ) :

    « Given that recent phylogenies consistently place Panderichthys below Tiktaalik in the tetrapod stem group, it is surprising to discover that its pectoral fin skeleton is more limb-like than that of its supposedly more derived relative. [...] It is difficult to say whether this character distribution implies that Tiktaalik is autapomorphic, that Panderichthys and tetrapods are convergent, or that Panderichthys is closer to tetrapods than Tiktaalik. »

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  • (en) Ker Than, « Ancient Fish Had Primitive Fingers, Toes », National Geographic Society,‎ (lire en ligne [archive du ]) :

    « Curiously, the radial bones of Panderichthys are more finger-like than those of Tiktaalik, a fish with stubby leg-like limbs that lived about five million years later. Many scientists regard Tiktaalik as a "missing link": the crucial transitional animal between fish and the first tetrapods. One possibility, Ahlberg said, is that finger development took a step backward with Tiktaalik, and that Tiktaalik's fins represented an evolutionary return to a more primitive form. »

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  • (en) John Noble Wilford, « Scientists Call Fish Fossil the Missing Link », The New York Times,‎ (lire en ligne)

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  • (en) Henry Gee, « First Footing » [archive du ], sur SciLogs,  : « It is possible that the close similarity between elpistostegids and tetrapods might have been the result of evolutionary convergence. The common ancestor of elpistostegids and tetrapods wouldn't have to have looked like Tiktaalik – it could have been a more undifferentiated, tetrapodomorph fish. Elpistostegids and tetrapodomorphs, each following their own paths, grew to look more and more like one other. »

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