File:Size disparity of late Maastrichtian pterosaurs and birds.svg
原始文件 （SVG文件，尺寸为512 × 386像素，文件大小：492 KB）
摘要
| 描述 |
English: "Fig 20. Size disparity of late Maastrichtian pterosaurs and birds.
Maastrichtian pterosaurs are larger than coeval birds in both marine (blue) and terrestrial/freshwater (orange) ecosystems. Wingspan estimates for pterosaurs are from S2 Data. Wingspans for terrestrial birds were made using estimated masses from Longrich et al. [74] and the equation for passeriformes from Norberg [75] or from reconstructions based on fossils [76,77]." 74. Longrich NR, Tokaryk TT, Field D. Mass extinction of birds at the Cretaceous-Paleogene (K-Pg) boundary. Proceedings of the National Academy of Sciences. 2011;108(37):15253–7. 75. Norberg UM. Allometry of bat wings and legs and comparison with bird wings. Philosophical Transactions of the Royal Society of London B: Biological Sciences. 1981;292(1061):359–98. 76. Dyke GJ, Dortangs R, Jagt JWM, Mulder EWA, Schulp AS, Chiappe LM. Europe's last Mesozoic bird. Naturwissenschaften. 2002;89:408–11. pmid:12435093 77. Agnolín FL, Egli FB, Chatterjee S, Marsà JAG, Novas FE. Vegaviidae, a new clade of southern diving birds that survived the K/T boundary. The Science of Nature. 2017;104(11–12):87. pmid:28988276 |
| 日期 | |
| 来源 | http://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.2001663 |
| 作者 | Nicholas R. Longrich , David M. Martill, Brian Andres |
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| 当前 | 2023年6月14日 (三) 06:33 | | 512 × 386（492 KB） | SlvrHwk | Fixed shadows, removed strange SVG artifacts |
| 2022年8月10日 (三) 01:11 |  | 512 × 386（1.72 MB） | SlvrHwk | Corrected names, removed white space | |
| 2022年6月12日 (日) 23:55 |  | 780 × 587（2.05 MB） | FunkMonk | {{Information |description={{en|1="Fig 20. Size disparity of late Maastrichtian pterosaurs and birds. Maastrichtian pterosaurs are larger than coeval birds in both marine (blue) and terrestrial/freshwater (orange) ecosystems. Wingspan estimates for pterosaurs are from S2 Data. Wingspans for terrestrial birds were made using estimated masses from Longrich et al. [74] and the equation for passeriformes from Norberg [75] or from reconstructions based on fossils [76,77]." 74. Longrich NR, Tokary... |
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