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Comparitive Muscle Attachments
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The comparative forelimb muscle attachment sites of a crocodylian, Anhanguara, and a bird. This drawing formed the basis for my muscle reconstructions of Anhanguara, which I presented at the Flugsaurier conference in Munich last year.

Refs:

Bennett, S. C., 2003. Morphological evolution of the pectoral girdle of pterosaurs myology and function, in Buffetaut, E., and Mazin, J-M. (eds) 2003, Evolution and Palaeobiology of Pterosaurs, geological society of London, 2003 217 pp. 191-215

Hudson, E. H., Lanzillotti P. J., 1955. Gross anatomy of the wing muscles in the family Corvidae, The American Midland Naturalist, 53:1 pp. 1-44

Meers, M. B., 2003. Crocodylian forelimb musculature and its relevance to the Archosauria, The Anatomica Record, Part A
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Comments (12)
Taena-Doman's avatar
Taena-Doman|Hobbyist General Artist
Thank you for sharing. Have sought such comarative examples of forelimbs since a longer time. Fantasic work!
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DSil's avatar
DSil|Student General Artist
This is absolutely fascinating! Great resource!
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RocCenere's avatar
RocCenere|Hobbyist General Artist
This is fascinating.
The anhanguera radius seems to have more in common with the crocodilian than the corvid, is this even close to being a valid observation?
I do find anatomy most interesting.
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jconway's avatar
Yes, I think overall pterosaur musculature id more croc- than bird-like.
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RocCenere's avatar
RocCenere|Hobbyist General Artist
Which I gues would make sense, when looking at the evolutionary timescale. Corvids are a much more recent creature than crocodiles, and anhanguera.
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that's a piece of a good work !
deserves to be published - did you think about it ?
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jconway's avatar
I have come close, but I need to work on it more.
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Red-Dilopho's avatar
Dude, that's a lot of research work. Very well done piece!
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unlobogris's avatar
Just thanks for doing this.
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gshfav's avatar
very interesting! It would be cooler if you had added a human for reference, since I don't know most of the muscles.
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jconway's avatar
Yeah, well you know, this is a piece of pterosaur research, so humans don't really enter into it. The reason there's a croc and a bird is because they are the closest living relatives.

There's a lot of muscles you'd recognise, triceps, biceps, pectoralis, brachialis, etc.
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gshfav's avatar
yeah, I should study more anatomy, and I did realise it was a pterosaur, the croc I wasn't sure why it was(now I know=)), and the bird does seem similar. Nice research! I should check more info on dinosaurs too.
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