Pterosaur Wings Were Probably Far More Varied Than Reconstructions Suggest
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The one thing every pterosaur reconstruction needs is the one thing no pterosaur fossil preserves. The wing membrane, that thin sheet of skin and muscle stretched along an absurdly long fourth finger, almost never survives in a form you could lay flat and measure. It rots, it folds, it gets crushed by the weight of sediment until what remains is a smear rather than a shape. So the great wings you see in museums and textbooks, the ones carrying Quetzalcoatlus across a Cretaceous sky, are educated
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