File:Archaeopteryx growth curve.jpg
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DescriptionArchaeopteryx growth curve.jpg |
Figure 9. Growth depictions for Archaeopteryx. (Left) The size and estimated age for all ten specimens are depicted. The growth curves are based upon age and size estimates (diamonds) for the eight specimens where femoral length is known. The dashed line represents the best fit for the unconstrained statistical analysis with hatchling and adult size undefined. The solid line represents the best fit when hatchling and adult size are constrained. (Right) The maximal growth rates from these analyses (1.87–2.2 g/day; hollow diamond) fit expectations (1.83–1.87 g/day; [31]) for same-sized non-avialan dinosaurs (solid line) – animals that grew like slow growing endotherms, here compared to marsupials (M). The Archaeopteryx estimates are three times lower than typical rates for extant precocial land birds (5.7 g/day; P], 15 times lower than altricial land birds (28.6 g/day; A), and four times higher than typical rates for extant reptiles (0.46 g/day; R) [32]. Specimens designations: Ei = Eichstäat, Mu = Munich, 8th = 8th Exemplar, Te = Teyler, Th = Thermopolis, Be = Berlin, Ma = Maxberg, O&S = Exemplar der Familien Ottmann & Steil, Lo = London, So = Solnhofen. doi:10.1371/journal.pone.0007390.g009 |
Date | |
Source | http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0007390;jsessionid=77529EC4AC50113350A4E28D82B9DC1E |
Author | Erickson GM, Rauhut OWM, Zhou Z, Turner AH, Inouye BD, et al. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:55, 19 November 2009 | 5,951 × 2,453 (2.08 MB) | FunkMonk (talk | contribs) | Replaced incorrect diagram with original diagram. | |
17:35, 13 November 2009 | 2,888 × 1,636 (326 KB) | Conty (talk | contribs) | {{Information |Description={{en|1=Diagram showing the growht curve of the birdlike dinosaur / dinosaurlike bird ''Archaeopteryx''. Gregory Erickson discovered in 2009 that this littele animal (for a very long time classed as a bird |
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Author | 1996-2001 AccuSoft Co., All rights reserved |
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File change date and time | 18:54, 19 November 2009 |
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Image width | 5,951 px |
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Date and time of digitizing | 19:54, 19 November 2009 |
Date metadata was last modified | 19:54, 19 November 2009 |
IIM version | 2 |