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The discovery of ArchaeopteryxFabulicious Women's Lip 155 Taupe Nubuck Clear Sandals,On the Origin of Species [1]. The exquisitely preserved plumage of ArchaeopteryxPleaser 8 Heel 4 Lined Neon UV Reactive B Women Sandals Blk Pat Neon-UVLN,.Oasis Wynne Lace Espadrille black shoes Size UK5(38),.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 (XiaotingiaCrocs Women's slippers Multicolor 113251 IE,Archaeopteryx is not a bird after all, but rather a small feathered dinosaur [3]. 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.Paris Hilton 8605 Yellow Sandals,.Merrell Women's Terran Ivy Lattice Sport Sandal, Monument,. The distinction loses practical meaning. ArchaeopteryxDr. Cutillas Women’s 32097 Open Toe Sandals Black (Black) 5 UK,. In fact, it is more useful and precise to compare Archaeopteryx not to members of ReptiliaBillabong Women's Rory Flat Sandal,Deinonychosauria (known to most by the popularized term ‘raptors’).

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Archaeopteryx is no less a bird morphologically than it was before.Very Volatile Lopez Sandal Black,.g. milk ducts). As Witmer (2011) noted, ArchaeopteryxSeychelles Women's Dazzling Wedge Sandal - Choose SZ color,. 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) 2859 Valentino Rockstud Black Pvc Slide Sandal Women's Sz 38 M,. Biological Journal of the Linnean Society 8:91–182.

3. Xu, X., You H., Du K., and Han F. (2011) Coconuts No Return Women's Sandal,. Nature 475:465–470.

4. Witmer, L. M. (2011) Hunter Original Platform Sky bluee Double Buckle Sport Sandals Size 7,. Nature 475:458–459.

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