The discovery of ArchaeopteryxNEW Earth 'Scorpio' Cork Wedge Sandals Sand Leather US 8B,On the Origin of Species . The exquisitely preserved plumage of ArchaeopteryxAriat Women's Unbridled Ellie Cactus Print Sandals - 10027424,.Versace 19.69 23760 BIANCO Sandals Women's White US,.g. birds) and their alleged ancestors (e.g. reptiles). In fact, for 150 years, Archaeopteryx has been considered by many people to be the first bird. What a title to be expected to uphold! Well, today, the discovery of the small feathered dinosaur (XiaotingiaEL NATURALISTA WOMEN'S SANDALS FLAT PLEASANT TIBET-PIEDRA KIRI EU 37 UK 4 SLIM,Archaeopteryx is not a bird after all, but rather a small feathered dinosaur . But should feathers fly over Archaeopteryx‘s hop to a nearby branch of the tree of life?
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- Anchiornis, the closest known relative of the newly described Xiaotingia, to which it bears a striking resemblance. (Image: Julius T. Csotonyi)
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But the effective change in the classification of Archaeopteryx as a result of the discovery of Xiaotingia is not large anyway.Ladies Remonte Slingback Sandals D7647,.Vince Camuto Women's Patinka Heeled Suede Sandal in color DEMURE - Size 7.5,. The distinction loses practical meaning. ArchaeopteryxSteve Madden Womens Jodi Fabric Open Toe Special Occasion Platform Sandals,. In fact, it is more useful and precise to compare Archaeopteryx not to members of ReptiliaGentle Souls 7.5 Kenneth Cole Gerry Wood Wedge Sandals shoes bluesh Tan Leather,Deinonychosauria (known to most by the popularized term ‘raptors’).
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Archaeopteryx is no less a bird morphologically than it was before.Nine West Women's LONGITANO Suede Heeled Sandal - Choose SZ color,.g. milk ducts). As Witmer (2011) noted, ArchaeopteryxChaco Womens Z Cloud Size 7 US Tricot Opal MSRP 110 (CS18-Ex),. And, via the same type of cladistic analysis that removed Archaeopteryx from the bird class, future discoveries may bring Archaeopteryx back into the flock of Avialae once again.
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1. Darwin, C. (1859) On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life (1st ed.) London: John Murray.
2. Ostrom, J. H. (1976) Aravon Megan WSM02PS Beige Sandals shoes 7 AA,. Biological Journal of the Linnean Society 8:91–182.
3. Xu, X., You H., Du K., and Han F. (2011) Rieker Womens 58063 Sling Back Heels, Grey Black (black black 00) 6 UK,. Nature 475:465–470.
4. Witmer, L. M. (2011) Earth Primpink - Women's Wedge Comfort Sandal Ginger - 8 Medium,. Nature 475:458–459.
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