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by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

Blog post recommendation

The pterosaur uropatagium

Pterosaurs have three parts to their wings. There’s the big ‘main’ wing (the brachiopatagium) that goes from the tip of the fourth finger down to the ankle, there’s the little propatagium that sits in the crux of the elbow and is supported by the pteroid bone, and then there’s the uropatagium (or sometimes cruropatagium) which […]

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