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Rhamphorhynchus Zittel Wing
Above: The Rhamphorhynchus Zittel Wing.
Rhamphorhynchus BSP 1937 I 37
Above: Rhamphorhynchus wing BSP 1937 I 37
BSP 1938 I 503a, No. 11 in Wellnhofer 1975
Above: Rhamphorhynchus BSP 1938 I 503a, No. 11 in Wellnhofer 1975
Rhamphorhynchus YPM 1178
Above: Rhamphorhynchus YPM 1178
Rhamphorhynchus BSP AS I 772
Above: Rhamphorhynchus BSP AS I 772.
In every case no deepening of the proximal wing chord (as promoted by Elgin, Hone and Frey 2011) is demonstrated, confirming the findings of Peters 2002.
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Elgin RA, Hone DWE and Frey E 2011. The extent of the pterosaur flight membrane. Acta Palaeontologica Polonica 56 (1), 2011: 99-111. doi: 10.4202/app.2009.0145

Peters D 2002. A New Model for the Evolution of the Pterosaur Wing – with a twist. - Historical Biology 15: 277–301.

 

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