Fenghuangopterus enters the LPT 2x
Three pterosaur specimens
have been assigned to the genus Fenghuangopterus (Figs 1–4). Only two enter the large pterosaur tree (LPT, 272 taxa) as basal dorygnathids, not scaphognathids, as originally proposed. The third specimen (Fig 4) needs more time.
Figure 1. Fenghuangopterus holotype CYGB-0037.
” data-medium-file=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/07/fenghuangopteruscygb-0037-588.jpg?w=137″ data-large-file=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/07/fenghuangopteruscygb-0037-588.jpg?w=468″ tabindex=”0″ role=”button” class=”size-full wp-image-87828″ src=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/07/fenghuangopteruscygb-0037-588.jpg” alt=”Figure 1. Fenghuangopterus holotype CYGB-0037.” width=”584″ height=”1277″ />
Figure 1. Fenghuangopterus holotype CYGB-0037.
Fenghuangopterus lii
(Lü, Fucha & Chen 2010, CYGB-0037, Middle Jurassic ~160 million years old, ~8 cm skull length, was considered an early scaphognathine. Here it nests with another Fenghuangopterus specimen within the Dorygnathidae.
Figure 2. Fenghuangoperus referred specimen in situ BMNHC Ph000982. See figure 4 for reconstruction.
” data-medium-file=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/07/fenghuangopterus.bmnhc_phooo982lateral.gif?w=194″ data-large-file=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/07/fenghuangopterus.bmnhc_phooo982lateral.gif?w=584″ tabindex=”0″ role=”button” class=”size-full wp-image-87834″ src=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/07/fenghuangopterus.bmnhc_phooo982lateral.gif” alt=”Figure 2. Fenghuangoperus referred specimen in situ BMNHC Ph000982. See figure 4 for reconstruction.” width=”584″ height=”905″ />
Figure 2. Fenghuangoperus referred specimen in situ BMNHC Ph000982. See figure 4 for reconstruction.
Figure 3. Reconstructed Fenghuangopterus referred specimen B Figure 3. Reconstructed Fenghuangopterus referred specimen BMNHC-Ph0000929. This wing shape is typical for pterosaurs.
Fenhuangopterus sp
(Lü, Fucha and Chen 2010, Li et al 2014, BMNHC P000982, Middle Jurassic, 160mya) nests with the coeval MBR 1920.16 specimen of Dorygnathus.
Figure 4. Fenghuangopterus referred specimen BMNHC-Ph000929.
” data-medium-file=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/07/fenghuangopterus-beijing_museum_bmnhc-phooo929-588.jpg?w=185″ data-large-file=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/07/fenghuangopterus-beijing_museum_bmnhc-phooo929-588.jpg?w=584″ tabindex=”0″ role=”button” class=”size-full wp-image-87832″ src=”https://pterosaurheresies.wordpress.com/wp-content/uploads/2024/07/fenghuangopterus-beijing_museum_bmnhc-phooo929-588.jpg” alt=”Figure 4. Fenghuangopterus referred specimen BMNHC-Ph000929. ” width=”584″ height=”949″ />
Figure 4. Fenghuangopterus referred specimen BMNHC-Ph000929. Apparently some asymmetric bones here, but otherwise a wonderful specimen. Perhaps this one will be added later.
Middle Jurassic dorygnathids
are now known in Europe and China. Sericipterus is another East Asian dorygnathid, as is Kryptodrakon (known from scraps), also originally misidentified.
Click here to see the tested dorygnathid clade to scale.
The soft tissue preservation is instructive,
supporting the narrow chord wing membrane Bauplan first proposed by Zittel 1882 and supported by Peters 2002. That was disputed by Elgin, Hone and Frey 2011 who mistakenly invoked the concept of ‘shrinkage’ while distorting what Zittel and Peters reconstructed. See reptileevolution.com/pterosaur-wings for more information.
References
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
Li et al (7 co-authors) 2014. Melanosome evolution indicates a key physiological shift within feathered dinosaurs. Nature 507: doi:10.1038/nature12973
Lü J, Fucha X and Chen J 2010. A new scaphognathine pterosaur from the Middle Jurassic of western Liaoning, China. Acta Geoscientica Sinica. 31(2): 263–266.
Peters D 2002. A New Model for the Evolution of the Pterosaur Wing – with a twist. – Historical Biology 15: 277–301.
Zittel KA 1882. Über Flugsaurier aus dem lithographischen Schiefer Bayerns. Palaeontographica 29: 7-80.
Source: https://pterosaurheresies.wordpress.com/2024/07/28/fenghuangopterus-enters-the-lpt-2x/
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