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Experts are still arguing over whether Archaeopteryx was a true bird, or a paravian dinosaur, or some other kind of dino. But regardless of what side you’re on, how did this fascinating, bird-like animal relate to today’s birds? It turns out its teeth were a clue that this story goes all the way back to what we now call the non-avian dinosaurs.
Thanks to Ceri Thomas for the excellent Longipteryx reconstruction. Check out more of Ceri’s paleoart at http://alphynix.tumblr.com and http://nixillustration.com
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References:
doi:10.2475/ajs.s3-14.83.337
https://digitallibrary.amnh.org/bitstream/handle/2246/3223/?sequence=1
Bakker RT. 1986. The Dinosaur Heresies. Zebra Books, New York. 481 pp. ISBN: 0806522607
https://paleoglot.org/files/Ji&Ji_96.pdf
doi:10.1038/scientificamericandinosaurs0514-76
Martyniuk, MP. 2012. A Field Guide to Mesozoic Birds and Other Winged DInosaurs. Pan Aves, Vernon, NJ. 191 pp.
ISBN-13: 978-0-9885965-0-4
Baby enantiornithine: https://doi.org/10.1016/j.gr.2017.06.001
Enantiornithine wings: https://www.nature.com/articles/ncomms12089
Baby dinosaur tail: https://doi.org/10.1016/j.cub.2016.10.008
https://doi.org/10.1002/jgrg.20018
https://doi.org/10.1029/2001JE001532
https://doi.org/10.1130/B25402.1
https://www.cell.com/current-biology/fulltext/S0960-9822(16)30249-4
https://www.cell.com/current-biology/fulltext/S0960-9822(18)30534-7
https://www.sciencedirect.com/science/article/pii/S0169534711002643#fig0020
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